UK Quantum Companies
Directory of 86 quantum technology organizations across the United Kingdom
UK Quantum Leadership
The UK is a global quantum leader with £2.5 billion invested through the National Quantum Technologies Programme (2014-2024). Home to world-class universities (Oxford, Cambridge, Imperial) and the National Quantum Computing Centre (NQCC), the UK hosts Europe's most vibrant quantum ecosystem.
Notable UK Quantum Companies
Oxford Ionics
Acquired by IonQ for $1.065B (Sept 2025)
Quantum Motion
CMOS-compatible qubits, Bosch partnership
Oxford Quantum Circuits
First European QC cloud provider
ORCA Computing
PT-series quantum systems
Riverlane
Deltaflow.OS for quantum computers
Universal Quantum
Million-qubit architecture
UK Quantum Ecosystem
World-Class Universities
Oxford, Cambridge, Imperial, Bristol - leading research in trapped-ion, silicon, photonic, and quantum communications.
Government Support
£2.5B National Quantum Programme, NQCC in Harwell, UK Quantum Strategy for Innovation and Growth.
Strong VC Ecosystem
Active investment from IQ Capital, Cambridge Innovation Capital, and global VCs targeting UK quantum startups.
Global Gateway
Strategic location between US and Europe with access to talent, markets, and Commonwealth partnerships.
University Spinouts
University of Oxford
- • Oxford Ionics (acquired by IonQ)
- • Oxford Quantum Circuits
- • Quantum Diamonds
University of Cambridge
- • Cambridge Quantum (now Quantinuum)
- • Nu Quantum
- • Riverlane
University of Bristol
- • KETS Quantum Security
- • Phasecraft
Other Institutions
- • Aquark Technologies (Southampton)
- • Universal Quantum (Sussex)
All UK Quantum Companies
Aegiq
Aegiq is a UK-based full-stack photonic quantum computing company spun out from the University of Sheffield in 2019, developing secure quantum communications using III-V semiconductor-based quantum photonics chips manufactured with elements like Gallium, Indium, and Arsenic rather than traditional Silicon. The company secured £1.4 million in funding from Innovate UK and won a £30 million quantum testbed competition funded by the National Quantum Computing Centre to deliver Artemis, their compact photonic quantum computer. Building on over 20 years of world-class research in semiconductors and quantum science, Aegiq develops quantum technology for fiber-optic and satellite-based applications, focusing on secure quantum communications and photonic quantum computing with their dedicated user interface for integration with NQCC testbed ecosystem.
Aquark Technologies
Aquark Technologies is a UK National Quantum Technologies Programme spinout focused on high-precision measurement technology and quantum sensing. The company successfully demonstrated quantum sensing at sea in partnership with the Royal Navy. Aquark develops portable quantum sensors for navigation, timing, and gravimetry applications in defense, aerospace, and industrial sectors.
Arqit
Arqit Quantum Inc (NASDAQ: ARQQ) develops symmetric key agreement (SKA) technology for quantum-safe encryption. Cash: $36.9M (Sept 2025). 2025 Contracts: First DoD contract, Intel partnership for CSfC-compliant mobile communications, three-year agreement with Tier 1 network operator (32 countries). September 2025: Fabric Networks commercial license, NCSC selected Arqit for UK PQC migrations. Joined Vodafone's Tomorrow Street Scaleup X programme. Launched SKA Edge Controller (SKA-EC) for military defense. Unveiled quantum-safe protection with Intel TDX confidential computing. FY 2025 revenue: ~$535k. Executed contracts generating ~$1.2M in FY 2026. Engaged 6 telecom operators and 17 commercial enterprises in H1 2025. Focus: telecom, government, defense sectors.
AstraZeneca
AstraZeneca PLC is a British-Swedish multinational pharmaceutical and biotechnology company founded in 1999, partnering with SandboxAQ (Alphabet spinoff) in June 2023 to use quantum-inspired AI drug discovery and development tools reducing time and cost of bringing life-saving treatments to clinic. AstraZeneca uses SandboxAQ's AQ-FEP software combining quantum mechanical equations accuracy with AI speed and power on classical computing hardware for treatments for cancer, Alzheimer's, Parkinson's, and other conditions. In June 2025, AstraZeneca joined collaborative research program with IonQ, AWS, and NVIDIA developing quantum-accelerated computational chemistry workflow delivering 20x speedup in time-to-solution compared to prior benchmarks. AstraZeneca applies quantum computing to molecular simulations, drug-target binding calculations, and pharmaceutical R&D optimization. AstraZeneca serves global pharmaceutical market requiring quantum-enhanced drug discovery, computational chemistry, and AI-accelerated pharmaceutical development for breakthrough treatments.
Atlantic Microwave
Atlantic Microwave is a British manufacturer and supplier of radio frequency (RF) and microwave components and equipment founded in 1989, located in Braintree, Essex, acquired by ETL Systems Ltd in January 2019. The company works with key players in cryogenic industry providing RF and microwave components operating down to cryogenic temperatures of 4K and below for quantum computing applications. Atlantic Microwave manufactures cryogenic low-noise amplifiers revolutionizing readout of quantum bits, operating in ultra-low temperature environments to increase signal-to-noise ratio in quantum read-out circuits. ETL Systems through Atlantic Microwave offers high-grade components for cutting-edge quantum technology research including low phase noise oscillators, multipliers, couplers, and cables designed to withstand rigorous conditions of cryostats. Atlantic Microwave serves quantum computing manufacturers, research institutions, and cryogenic equipment providers requiring RF components capable of operating at temperatures as low as 4K for quantum processor readout and control systems.
BAE Systems Quantum
BAE Systems has established quantum technology research and development programs focused on defense and security applications, developing quantum-enhanced radar and sensing systems, secure quantum communications networks, and quantum computing applications for intelligence analysis and cybersecurity. On September 12, 2025, BAE Systems' FAST Labs and the U.S. Air Force Research Laboratory signed a three-year agreement to advance quantum sensing and networking technologies, focusing on combining multiple quantum RF sensors into arrays for new warfighter capabilities. The company invests in quantum sensing technologies for improved navigation systems that operate in GPS-denied environments, quantum-enhanced imaging and detection systems for surveillance applications, and quantum cryptography solutions for secure military communications. BAE Systems collaborates with UK government quantum initiatives, academic research institutions, and quantum technology companies including the AFRL to advance quantum capabilities for national security applications, including quantum-resistant cryptography to protect against future quantum computing threats and quantum-enhanced electronic warfare systems for modern defense challenges.
BAE Systems Quantum Technology Division
BAE Systems Quantum Technology Division conducted UK MoD collaboration with Infleqtion and QinetiQ on quantum navigation trials at Boscombe Down for GPS-denied navigation for defense. The British defense contractor develops military quantum technologies. BAE Systems is integrating quantum sensors into defense platforms to provide navigation, timing, and sensing capabilities resilient to GPS jamming and electronic warfare.
Barclays
Barclays PLC is a British multinational universal bank founded in 1690, headquartered in London, United Kingdom. Barclays explores quantum computing for financial services including portfolio optimization, derivatives pricing, risk analysis, and trading optimization. The company collaborates with quantum computing providers developing quantum algorithms for banking applications and quantum-safe security for financial transactions. Barclays investigates post-quantum cryptography protecting financial data and banking infrastructure against quantum computing threats. The company serves global banking markets requiring quantum-enhanced computational capabilities and quantum-safe security for financial services. Barclays advances quantum technology adoption in banking industry contributing to quantum computing research in finance and preparing for quantum-safe security transitions protecting banking operations and customer data against emerging quantum computing threats to financial security.
BQP
BQP is a London-based quantum software company founded in 2022, developing the BQPhy platform for quantum-accelerated digital twin and simulation workloads. The company specializes in Variational Quantum Linear Solver (VQLS) implementations and hybrid quantum-classical computing solutions for industrial applications. BQP demonstrated hybrid quantum-classical computational fluid dynamics (CFD) simulations in collaboration with NVIDIA CUDA-Q and Classiq in November 2025. The company focuses on making quantum computing practical for engineering simulation use cases including aerospace, automotive, and energy sector applications. 2025 Developments: BQP continues to advance its hybrid quantum-classical simulation platform in 2025, focusing on industrial CFD and digital twin applications with demonstrated results on real quantum hardware.
BT Group
BT Group plc (formerly British Telecom) is a British multinational telecommunications company founded in 1846, headquartered in London, United Kingdom. BT conducts pioneering quantum networking research deploying quantum key distribution (QKD) networks and quantum-safe telecommunications infrastructure. The company established quantum-secured network connections and collaborates with quantum technology providers advancing practical quantum communications deployments. BT invests in post-quantum cryptography preparing telecommunications infrastructure for quantum computing threats. BT serves UK telecommunications markets, enterprise customers, government agencies, and critical infrastructure sectors requiring quantum-safe communications and quantum network infrastructure. The company contributes to UK National Quantum Technologies Programme advancing quantum communications and quantum networking for telecommunications industry. BT positions UK as leader in quantum-safe telecommunications protecting communications infrastructure against emerging quantum computing threats.
Cavero Quantum
Cavero Quantum is a Leeds-based cybersecurity startup founded in 2024, developing a quantum-powered cloud communications platform with scalable web service API and security protection through secure, software-based cryptographic keys. The company has raised $2.2M from investors including Foresight Group, Northern Gritstone, and Deeptech Labs. Cavero's key technologies include Symmetrikey, a quantum-safe key exchange protocol combining Learning With Errors problem variants with correlation filtering inspired by QKD that runs twice as fast as ML-KEM and has been deployed on SIM cards; and Authentikey, a two-way endpoint verification technology providing passwordless authentication. The company participated in Mobile Future Forward 2025 in Seattle, addressing IoT, agentic AI, and regulatory challenges through quantum-safe security solutions.
Cerca Magnetics UK
Cerca Magnetics develops optically pumped magnetometers (OPM) using rubidium atoms for medical and defense applications with Lego-brick sized devices. The Nottingham company manufactures compact quantum magnetometers. Cerca Magnetics' miniaturized OPM sensors enable brain imaging, geophysical surveying, and defense applications where compact, sensitive magnetic field detection provides critical measurement capabilities.
Craft Prospect
Craft Prospect is a British space technology and satellite communications company founded in 2013, participating in the QKDSat consortium led by Honeywell to develop ultra-secure telecommunications satellites using quantum key distribution technology. The consortium includes Redwire Space, British Telecom, QTLabs Austria, Honeywell Canada, and key players in Germany, Czech Republic, and Switzerland. Craft Prospect brings satellite systems engineering and space technology expertise to quantum-secured satellite communications development. The company collaborates with European Space Agency and industry partners advancing quantum communications infrastructure for government, defense, and commercial applications. Craft Prospect serves government agencies, defense contractors, telecommunications operators, and satellite communication providers requiring quantum-safe satellite systems and space-based secure communications. The company focuses on integrating quantum key distribution technology into satellite platforms, developing operational quantum-secured satellite communications systems protecting critical infrastructure and sensitive government communications from cyber threats and quantum computing attacks.
Crypta Labs
Crypta Labs is a UK quantum security company founded in 2014 that specializes in quantum random number generation technology providing true quantum randomness for cryptographic applications, developing quantum entropy sources and random number generators that leverage quantum physical processes to produce unpredictable randomness essential for encryption keys, digital signatures, and secure protocols, serving cybersecurity companies, telecommunications providers, and organizations requiring certified high-quality entropy sources for quantum-safe cryptography and secure communications infrastructure.
Crypto Quantique
Crypto Quantique is a UK quantum security company founded in 2016 that develops quantum-driven IoT security solutions using quantum tunneling effects in semiconductor devices to generate unique cryptographic keys and device identities, providing hardware-based quantum random number generation and quantum-enhanced security for Internet of Things devices, edge computing systems, and connected infrastructure, enabling secure device authentication, encrypted communications, and tamper-resistant security solutions for smart cities, automotive, industrial IoT, and consumer electronics applications requiring quantum-grade security at scale.
Deloitte
Deloitte Touche Tohmatsu Limited is a multinational professional services network founded in 1845, building comprehensive quantum computing consulting practice offering services from quantum strategy and roadmap development to use-case identification and implementation of quantum proofs-of-concept. Deloitte published extensive research on quantum's impact in financial services, life sciences, and supply chain management, helping clients explore how quantum technology enhances drug discovery processes and developing full-stack quantum computers for drug development. Deloitte Consulting provides quantum computing strategy, implementation consulting, quantum algorithm development, and quantum workforce training for enterprises. The firm named Qblox fastest-growing high-tech hardware company in Netherlands in 2023 and 2024 through Deloitte Fast 50 Deep Tech Award. Deloitte serves global enterprises across industries requiring quantum computing advisory, implementation, and workforce development supporting organizations preparing for quantum advantage and quantum-safe security transitions.
Delta g
Delta g is a University of Birmingham spinout developing quantum gravity sensor technology using patented hourglass quantum gravity gradiometer with stacked atom interferometers and rubidium atoms. September 2025: Secured £4.6M oversubscribed seed round led by Serendipity Capital with NSSIF and SCVC participation. March 2025: Delivered first next-generation sensor to UK Department for Transport. 2025: Won Institute of Physics qBIG Prize for world's first field-deployable quantum gravity gradiometer. Technology enables underground mapping, critical infrastructure monitoring, and GPS-denied navigation. Applications include construction planning, resource exploration, sinkhole detection before formation, and locating underground utilities. Founded by Prof. Mike Holynski, Jonathan Winch, and Dr. Andrew Lamb. CEO: Tony Lowe.
Duality Quantum Photonics
Duality Quantum Photonics is a UK-based quantum technology company founded in 2020 that develops integrated quantum photonics circuits and components for quantum computing, quantum communications, and quantum sensing applications, specializing in silicon photonic chips that enable scalable photonic quantum systems with high integration density, providing essential building blocks for photonic quantum technologies including quantum light sources, quantum interferometers, and photonic quantum processors for researchers and companies developing quantum applications.
Edwards Vacuum
Edwards Vacuum is a British engineering company founded in 1919 by physicist Frederick David Edwards and his father William, specializing in vacuum and cryogenic technologies for semiconductor, research, and industrial applications. Headquartered in Burgess Hill, UK, and part of the Atlas Copco Group since 2014, Edwards acquired Brooks Automation's CTI-Cryogenics and Polycold cryopump operations in 2018 for $675 million, significantly expanding its cryogenic capabilities. Edwards' cryogenic products serve the quantum computing industry, with photonics-based and ion-trap quantum computers requiring bespoke cryogenic solutions. In February 2022, Edwards joined a consortium led by Universal Quantum, awarded a £7.5M grant from Innovate UK to develop an error-corrected quantum computer, with Edwards responsible for designing, assembling, and commissioning the extreme high vacuum system for the quantum error correction quantum computer (QEC QC). Edwards' combination of vacuum technology expertise and cryogenic systems positions it as a critical supplier to the global quantum computing hardware ecosystem.
Element Six
Element Six is a UK synthetic diamond technology company established in 1946 that has become the world's leading supplier of synthetic diamond materials for quantum technologies, producing ultra-pure single crystal diamonds with nitrogen-vacancy (NV) centers for quantum sensing, quantum computing, and quantum communication applications, providing specialized diamond substrates, quantum-grade diamond materials, and custom diamond solutions that enable quantum sensors, quantum memory devices, and quantum photonics components used by research institutions and quantum technology companies worldwide for applications requiring the unique properties of diamond's quantum defects and exceptional material characteristics. 2025 Developments: In September 2025, Element Six partnered with IonQ to produce quantum-grade synthetic diamond films.
ELUXI
ELUXI Ltd is a UK-based specialist photonics distributor supplying leading-edge lasers, optics, fiber optics, amplifiers, light sources, and detectors as both standard products and custom solutions for the UK and Ireland markets. Operating from purpose-built facilities at the Advanced Technology Innovation Centre within Loughborough University Science and Enterprise Parks in Loughborough, England, ELUXI serves the quantum photonics sector by providing access to cutting-edge photonics components essential for quantum research and development. The company was founded by executives with successful careers in Pan-European distribution companies at senior levels and higher degrees in photonics disciplines. ELUXI distributes products from leading global photonics manufacturers, enabling UK and Irish quantum researchers and companies to access specialized components for quantum computing, quantum sensing, and quantum communications applications. By bridging manufacturers and end-users, ELUXI plays a critical role in the UK quantum photonics supply chain, supporting the development of quantum technologies through efficient access to specialized photonics components and expert technical support.
Filtronic
Filtronic is a UK-based RF, microwave, and mmWave solutions provider specializing in customized filters, diplexers, and low-noise amplifiers for quantum computing systems. Their cryogenic-compatible RF filters operate at temperatures near absolute zero to minimize microwave noise in superconducting qubit systems, with switched filter banks enabling dynamic frequency adjustment for enhanced performance in varying quantum computing environments. Filtronic designs bespoke RF solutions for quantum computing companies supporting both control systems outside and circuits inside dilution refrigerators.
Firgun Ventures
Firgun Ventures is a London-based venture capital fund dedicated exclusively to quantum technology investments. In 2025, the fund achieved a $70 million first close toward its $250 million target. Key investors include the Qatar Investment Authority and Ilyas Khan, the founder and former CEO of Quantinuum. The fund focuses on backing early-stage quantum computing companies across the full quantum stack including hardware, software, and applications. Firgun Ventures brings deep expertise in quantum technology commercialization through its leadership team's experience in building and scaling quantum companies. The fund aims to identify and support the next generation of quantum startups transforming industries through quantum computing, quantum sensing, and quantum communications technologies.
GSK Quantum
GlaxoSmithKline (GSK) is advancing quantum computing applications in pharmaceutical research through partnerships with IBM's Quantum Heron and Condor processors for mRNA codon optimization and clinical data analysis, and collaboration with D-Wave for quantum annealing applications in genetic algorithms. The company worked with Capgemini UK and the National Quantum Computing Centre on quantum-enhanced drug discovery research, developing machine learning pipelines using quantum features for predicting targeted covalent drug reactivity. Led by Ross Walker, Global Director of Scientific Research Computing & Analytics, GSK participates in the QuPharm consortium alongside other major pharmaceutical companies to structure quantum computing's potential in drug discovery, focusing on optimization problems that exceed traditional computational capabilities in messenger RNA research and therapeutic development.
HSBC
HSBC Holdings PLC is a British multinational universal bank and financial services holding company founded March 3, 1865, working with Quantinuum since June 2023 and successfully trialing first application of quantum-secure technology for buying and selling tokenized physical gold in September 2024. On September 25, 2025, HSBC and IBM announced the world's first-known empirical evidence of the potential value of current quantum computers for solving real-world problems in algorithmic bond trading, leveraging a quantum-classical hybrid approach that delivered up to a 34 percent improvement in predicting how likely a trade would be filled at a quoted price, demonstrating quantum advantage for financial applications. HSBC quantum computing trial beat Wall Street rivals demonstrating leadership in quantum finance applications and quantum-safe security implementations. The bank applies quantum computing to risk management, portfolio optimization, fraud detection, asset pricing, algorithmic trading, and secure tokenized asset transactions using quantum key distribution. HSBC invests in post-quantum cryptography, quantum-safe communication networks, and quantum computing applications for banking operations. HSBC serves global banking and financial services market requiring quantum-enhanced computational capabilities and quantum-safe security for transactions, communications, and data protection. HSBC collaborates with leading quantum companies including IBM and Quantinuum advancing practical quantum applications for financial services industry alongside JPMorgan Chase and Goldman Sachs leading quantum finance adoption.
Imperial College London
Imperial College London is a public research university founded in 1907, located in London, United Kingdom. Imperial conducts advanced quantum research through quantum science and engineering programs advancing quantum computing quantum photonics quantum materials and quantum technologies. The university Controlled Quantum Dynamics Theory group and quantum engineering research advance quantum algorithms quantum control and quantum hardware. Imperial researchers contribute to quantum computing quantum communications and quantum sensing technologies. The university collaborates with UK quantum companies and maintains partnerships with industry advancing quantum technology commercialization. Imperial serves quantum research community through quantum research quantum education and technology transfer supporting UK National Quantum Technologies Programme positioning Imperial as leading quantum research institution advancing quantum technology development.
KETS Quantum Security
KETS Quantum Security is a UK quantum communications company founded in 2016 as University of Bristol spinout, pioneering chip-scale QKD devices. April 2025: Completed £1.7M Innovate UK contract to develop scalable, server-sized QKD prototype for critical infrastructure. BT consulted on design and now testing prototype. Called 'leader in quantum network components' by Innovate UK. November 2025: CEO Lisa Matthews warned UK needs Quantum Sovereign Wealth Fund or risks losing quantum companies, talent, and IP to foreign markets. Noted several UK firms (PsiQuantum, Universal Quantum, Oxford Ionics) shifted operations abroad due to limited domestic scale-up capital. Products: QKD (Quantum Key Distribution) and QRNG (Quantum Random Number Generators). Targets defense, finance, critical infrastructure, telecoms. Series A company with $4.39M funding from Speedinvest and Quantonation.
Ki3 Photonics
Ki3 Photonics is a British photonics company specializing in advanced innovations for quantum networking and quantum computing using integrated photonics technology. The company develops photonic integrated circuits and components that enable scalable quantum communication networks and photonic quantum computing systems. Ki3 Photonics combines expertise in silicon photonics with quantum information science to create practical quantum networking infrastructure components.
Kuano
Kuano is a Cambridge-based startup applying quantum computing to drug discovery and molecular simulation using proprietary quantum algorithms. The company develops quantum software solutions that enable pharmaceutical and biotech companies to accelerate drug development through more accurate molecular modeling. Kuano's quantum algorithms target specific challenges in computational drug discovery where quantum computers can provide advantages over classical simulation methods, particularly for complex molecular systems.
Kuano London
Kuano uses quantum simulation and quantum-inspired AI for enzyme drug design with programs in epigenetics, protein degradation, and infectious disease. The London company develops quantum-enhanced drug discovery platforms. Kuano combines quantum algorithms with machine learning to accelerate enzyme engineering and drug design, targeting challenging therapeutic areas where conventional computational methods provide limited insights.
Lumenisity
Lumenisity is a UK-based photonics company founded in 2017 as spinout from University of Southampton developing hollow core fiber technology for quantum communications and telecommunications. The company CoreSmart hollow core fibers enable ultra-low latency data transmission and enhanced security ideal for quantum key distribution (QKD) networks. Lumenisity was acquired by Microsoft in 2022 to advance hollow core fiber deployment for cloud and quantum networking infrastructure. The company technology reduces signal latency and improves data security compared to traditional solid core optical fibers. Lumenisity serves telecommunications operators, financial services, cloud providers, and quantum communication networks requiring ultra-fast secure data transmission. The company contributes to quantum communications infrastructure development advancing quantum-safe networking and quantum internet infrastructure.
M Squared Lasers
M Squared Lasers is a Glasgow-based photonics and quantum technology company founded in 2006 by Dr. Graeme Malcolm OBE and Dr. Gareth Maker, specializing in world-class laser, quantum, and photonics systems critical for fundamental physics research. The company has grown to become a global leader with roughly 100 employees, exporting more than 90% of its products and doubling in size every two years since 2012 with revenue of about £19 million. M Squared's products have enabled breakthroughs in quantum science including the UK's first commercially viable quantum accelerometer, quantum clocks, quantum sensors, and quantum computing systems for industrial applications. Dr. Malcolm, who was awarded an OBE for services to Science and Innovation, regularly provides expert evidence on quantum technology to parliamentary committees and has received numerous entrepreneurship awards for his leadership in advancing photonics and quantum technologies.
Mode Labs
Mode Labs is a University of Oxford spin-out company founded in 2021, specializing in continuous, remote, real-time chemical sensors using quantum sensing technologies. The company develops advanced quantum sensing solutions for environmental monitoring, industrial process control, and chemical detection applications that require high precision and continuous operation. Mode Labs leverages quantum physics principles to create sensors with unprecedented sensitivity and accuracy for chemical analysis, gas detection, and environmental monitoring applications across various industries including pharmaceuticals, petrochemicals, environmental science, and industrial manufacturing. The company's quantum sensing platform enables remote monitoring capabilities and real-time data collection for applications requiring continuous chemical analysis and environmental monitoring.
Moth Quantum
Moth Quantum (MOTH) is a London and Basel-based technology company founded in 2022, pioneering quantum computing applications in the creative industries by building quantum-powered products and services for media and entertainment. The company launched RECURSE, the world's first quantum-powered AI music track created in collaboration with electronic artist ILĀ, using their proprietary Archaeo platform that combines generative AI with quantum machine learning. Led by CEO Ilana Wisby (former Oxford Quantum Circuits CEO who helped raise $100 million), founder Harry Kumar as Chief Creative Officer, IBM quantum veteran James Wooton as Chief Scientific Officer, and Spencer Topel as CTO, MOTH develops quantum-powered music production tools including synthesizers, generative music models, and advanced audio-processing technology. The company's mission focuses on supporting and enhancing artists rather than replacing them, making quantum technology accessible to creative professionals and consumers.
Nanoco Technologies
Nanoco Technologies Ltd is a UK-based nanotechnology company that spun out from the University of Manchester in 2001, specializing in the development and large-scale production of cadmium-free quantum dots and other electronic-grade nanomaterials. Co-founded by Dr. Nigel Pickett, who invented Nanoco's key quantum dot scale-up technology, the company is unique in the nanomaterials market as a manufacturer of high-grade quantum dots at commercial volumes. Since 2004, Nanoco has focused research efforts on cadmium-free quantum dot development, addressing environmental and health concerns while maintaining performance for applications in LCD displays, LED lighting, sensors, solar cells, and bio-imaging technologies. In October 2024, Dmitry Shashkov joined as Chief Executive Officer. Dr. Nigel Pickett, co-founder and CTO, announced retirement from the board in 2024 but remains with the company until February 2026. Publicly traded and based in Manchester, Nanoco represents British innovation in quantum materials commercialization.
nodeQ
nodeQ is a UK-based quantum networking company founded in 2021 in York, specializing in quantum network software and orchestration platforms. The company develops telaQ, a quantum network management platform that enables the deployment and operation of quantum communication networks. Founded by Professor Stefano Pirandola, a leading expert in quantum communications and information theory from the University of York, nodeQ focuses on making quantum networking practical and accessible for telecommunications providers and enterprises. The company's software solutions address key challenges in quantum network deployment, including network orchestration, quantum key distribution management, and integration with classical telecommunications infrastructure.
NQCC
The National Quantum Computing Centre (NQCC) is the UK's flagship quantum computing research facility established in 2020 at the Harwell Science and Innovation Campus as part of the UK National Quantum Technologies Programme, bringing together leading quantum researchers, industry partners, and government agencies to advance quantum computing research and development, providing access to diverse quantum computing platforms, fostering collaboration between academia and industry, developing quantum software and applications, and serving as a central hub for the UK's quantum computing ecosystem to accelerate practical quantum computing applications and maintain the UK's leadership in quantum technologies. November 2025: The UK's National Quantum Computing Centre (NQCC) released its 2025 annual report highlighting progress in quantum computing infrastructure development, skills training programs, and collaborative research initiatives. The report demonstrates the UK's continued investment in quantum technology leadership.
Nu Quantum
Nu Quantum is a UK quantum networking company founded in 2018 as a University of Cambridge spinout that develops quantum photonic hardware including room-temperature single-photon sources and detectors for quantum networking applications, pioneering breakthrough Qubit-Photon Interfaces (QPIs) that enable 100x better entanglement rates than current lab state-of-the-art for distributed quantum computing networks, awarded £2.3 million UK government contract to deliver the world's first modular rack-mount scalable quantum data center prototype with Cisco, building industrialized distributed quantum computing systems at the UK's National Quantum Computing Centre using proprietary optical microcavity technology with micron-level precision and sub-80 picometre stability for quantum processor networking. 2025 Developments: In March 2025, Nu Quantum partnered with Cisco, NTT DATA, OQC, QphoX, Quantinuum, and QuEra to launch Quantum Datacenter Alliance. In June 2025, launched Quantum Networking Unit (QNU), first industrialized rack-mounted system for distributing entanglement. Hosted inaugural Quantum Datacenter Alliance Forum in London (June 2025).
ORCA Computing
ORCA Computing is a University of Oxford spinout founded in 2019 developing photonic quantum computers using single photons and time-bin encoding. The company's technology operates at room temperature without complex cryogenic cooling. In October 2024, ORCA launched the PT-2 system featuring Sparrow Quantum's photon chip technology, achieving 4,000x performance increase over PT-1 with 90 effective qubits. The PT-2 enables quantum-enhanced generative AI capabilities. 2025 Developments: Selected for UK National Quantum Computing Centre (NQCC) Testbed Programme. Continued expansion of cloud-accessible quantum computing services. Partnerships with defense, aerospace, and enterprise customers for optimization and machine learning applications. Focus on building toward fault-tolerant photonic quantum computing with PT-3 roadmap targeting 2026.
Oriole Networks
Oriole Networks is a UCL spinout developing photonic networking technology for AI data centers using light to create networks of AI chips, reducing energy consumption by 40x with 100x speed improvements compared to traditional electrical interconnects. October 2024: Raised $22 million Series A led by Plural, bringing total funding to $35 million. Major product launches planned for 2025. Technology: Uses photonic switching and optical interconnects to address the data center bottleneck for AI workloads. The company's approach enables massive parallelization of AI compute resources while dramatically reducing power consumption.
Oxford Instruments
Oxford Instruments is a UK-based scientific instruments company founded in 1959 as the first commercial spin-out from Oxford University that has become a leading provider of cryogenic systems essential for quantum computing, developing the Proteox family of dilution refrigerators including the ProteoxQX modular systems exceeding 3 meters in height with scalable workspace for large quantum processing units, providing 25 µW cooling power at 20 mK temperatures and comprehensive I/O capacity for qubit scale-up, serving quantum computing companies like Oxford Quantum Circuits and Rigetti before selling their NanoScience quantum-focused division to Quantum Design for £60 million to focus on other scientific instrument applications. November 2025: Oxford Instruments announced participation in a major quantum-AI data center initiative in New York City, contributing cryogenic systems and quantum enabling technologies to support next-generation quantum computing infrastructure for AI applications. November 2025: Oxford Instruments announced participation in a major quantum-AI data center initiative in New York City, contributing cryogenic systems and quantum enabling technologies to support next-generation quantum computing infrastructure for AI applications.
Oxford Ionics
Oxford Ionics is a UK-based quantum computing company that pioneered trapped ion technology manufactured using standard semiconductor chips, achieving world records for trapped ion fidelity. In June 2025, IonQ announced acquisition for $1.075 billion ($1.065B stock + $10M cash), completed September 2025. UK government approved acquisition under National Security and Investment Act with conditions: hardware and core operations must remain in Britain. This ensures technology development continues in UK while benefiting from IonQ's resources and commercialization capabilities. Integration plans with IonQ: 256 physical qubits at 99.99% accuracy by 2026, 10,000+ physical qubits at 99.99999% logical accuracy by 2027, 2 million physical qubits by 2030. The acquisition strengthens IonQ's vertical integration strategy and brings world-class ion trap technology and manufacturing expertise. Oxford Ionics' approach using standard semiconductor processes enables scalable production of high-fidelity quantum processors.
Oxford Quantum Circuits
Oxford Quantum Circuits (OQC) is a UK-based quantum computing company developing superconducting quantum computers with innovative 3D Coaxmon architecture. Built Europe's most advanced quantum systems. September 2025: Launched world-first Quantum-AI Data Centre in NYC (Digital Realty JFK10) - GENESIS quantum computer with NVIDIA GH200 Grace Hopper Superchips. Part of UK-US tech trade partnership. June 2025: Published ambitious roadmap - OQC Titan (200 logical qubits, 10^-6 error rate by 2028), OQC Kronos (5,000 logical qubits by 2031), OQC Aion (50,000 logical qubits by 2034). March 2025: Launched Architect platform with Oxford Instruments and Quantum Machines - educational 8-qubit system with Lucy Gen2 processor. October 2025: NVIDIA NVQLink partnership for quantum-AI supercomputing integration. Technology achievement: 99.8% two-qubit fidelity in 25 nanoseconds (fastest/most accurate gates recorded). Global presence across Europe, North America, Asia.
PA Consulting Quantum Technology
PA Consulting operates a quantum technology practice solving business challenges from decision support to advanced sensing and security applications. The British consultancy helps organizations identify quantum computing use cases, develop quantum strategies, and implement quantum technology pilots. PA Consulting serves clients in government, defense, finance, and healthcare sectors with quantum technology consulting, combining deep technical expertise with industry knowledge to deliver practical quantum solutions.
Phasecraft
On September 2, 2025, Phasecraft announced securing $34 million in a Series B funding round to accelerate development of quantum algorithms deployable on today's noisy intermediate-scale quantum (NISQ) devices. The funding was co-led by Plural, Playground Global, and Novo Holdings' newly launched Quantum Fund (making its first direct investment in quantum software), with participation from existing investors LocalGlobe, AlbionVC, and Parkwalk Advisors, bringing total capital raised to over $50 million. Phasecraft developed the THRIFT algorithm, published in Nature Communications in 2025, which enhances quantum simulation efficiency by 10x and reduces computational costs by prioritizing interactions based on their speed. The company's approach drastically reduces quantum gates needed to run simulations by factors of more than a million in some cases - for example, lithium copper oxide can be simulated with 410,000 quantum gates compared to the previous baseline of 1.5 trillion. The capital will support Phasecraft's hardware-agnostic approach, rewriting quantum algorithms to run efficiently on NISQ machines from Google, IBM, Quantinuum and QuEra. 2025 Developments: In September 2025, Phasecraft raised $34 million Series B co-led by Plural, Playground Global, and Novo Holdings Quantum Fund. First direct quantum-software investment from Novo Holdings. Additional investors include LocalGlobe, AlbionVC, and Parkwalk Advisors. Expanding U.S. operations and industrial collaborations with Johnson Matthey, Oxford PV, UK's NESO, and BT. Phasecraft's algorithms are more efficient by factors of millions for material discovery and energy optimization
Photarix
Photarix is a 2024-2025 Lancaster University spinout developing Quantum Ring Single-Photon Light-Emitting Diodes (QR SPLEDs) for Quantum Key Distribution - compact, low-cost, room-temperature operation. Founded by Gizem Acar Tekin (CEO) and Professor Manus Hayne (Chief Scientific Officer). November 2025: Showcased at UK National Quantum Technologies Showcase in London. 2026: Invited to host stand at International Cyber Expo in London. First Lancaster spinout through NW CyberCom programme. Funding: European Commission Horizon 2020 (Quantimony doctoral network), Innovate UK Future Telecoms ICURe programme, Research England NW CyberCom (£1.2M initiative). Applications: quantum-secure communications for banking, messaging, data storage. Technology enables on-demand single-photon emission at telecom wavelengths without cryogenic cooling.
Photon Force
Photon Force is an Edinburgh-based company that develops high-performance single-photon avalanche diode (SPAD) arrays and time-resolved imaging solutions for quantum sensing and photonics applications. Founded as a spinout from Heriot-Watt University and the University of Edinburgh, the company commercializes breakthrough SPAD sensor technology enabling photon-counting detection with picosecond timing resolution. Photon Force's sensors serve quantum technology applications including quantum key distribution, quantum imaging, LIDAR, fluorescence lifetime imaging microscopy (FLIM), and quantum communication systems. The company's technology provides critical enabling components for photonic quantum computing, quantum networking, and quantum sensing systems requiring single-photon detection capabilities.
Plessey Semiconductors
Plessey Semiconductors is a UK-based leading developer of advanced optoelectronic technology solutions, operating as the UK's only LED manufacturer and the only LED maker globally commercializing LEDs on silicon substrates using their award-winning proprietary GaN-on-Silicon platform. The company has connections to quantum technology through partnerships integrating Nanoco Technologies' cadmium-free quantum dot semiconductor nanoparticle technology into their monolithic microLED displays for augmented reality and virtual reality applications. With leading-edge 150mm and 200mm wafer processing facilities in Plymouth and comprehensive photonic characterization laboratories, Plessey provides full-field emissive microLED displays combining high-density RGB pixel arrays with CMOS backplanes, with potential applications in optical processing units for AI operations that are faster and more energy-efficient than traditional silicon devices.
Post-Quantum
Post-Quantum is a UK cybersecurity company founded in 2009 that specializes in post-quantum cryptography solutions and quantum-safe security implementations, developing cryptographic libraries, security protocols, and migration tools that help organizations transition from classical encryption algorithms to quantum-resistant cryptography standards, providing post-quantum cryptographic software, security consulting services, and implementation support for enterprises, government agencies, and technology companies preparing for the quantum computing era when current encryption methods will become vulnerable to quantum attacks.
PQShield
PQShield is an Oxford University spin-out specializing in post-quantum cryptography from theory to deployment, protecting systems against quantum computer threats with major funding rounds in 2023-2024. The company develops post-quantum cryptographic algorithms, hardware implementations, and security solutions designed to protect against attacks from both classical and quantum computers. PQShield serves semiconductor manufacturers, automotive companies, government agencies, and enterprises requiring quantum-safe security solutions, providing both cryptographic IP and security consulting services.
PwC
PricewaterhouseCoopers (PwC) is a multinational professional services network founded in 1849 (current form from 1998 merger), headquartered in London, United Kingdom. PwC provides quantum computing consulting services including quantum strategy development, quantum technology assessment, quantum workforce training, and quantum business transformation. The company quantum practice helps organizations understand quantum computing implications, identify quantum use cases, and prepare for quantum transitions. PwC collaborates with quantum computing providers and quantum startups offering quantum expertise to enterprise clients across industries. The company serves financial services, healthcare, manufacturing, and technology sectors requiring quantum consulting and strategic guidance for quantum technology adoption. PwC advances quantum technology commercialization providing quantum business consulting and quantum education supporting enterprise quantum readiness and quantum technology integration worldwide.
Qinara
Qinara is an Edinburgh-based quantum computing startup developing CirQ, a quantum circuit optimizer that enhances AI model accuracy and efficiency through a hybrid approach combining classical hardware with quantum optimization. The company claims to improve AI model performance by up to 40% while reducing computational costs by 70%. Founded by Swapnil Deshmukh (CEO, 12 years Microsoft R&D), Satwik Dalvi (CTO, ML engineer from YC-backed startups), and Rahat Santosh (COO, AI specialist with DRDO/Oracle background), Qinara addresses critical AI model accuracy problems across sectors including biomedicine, cybersecurity, and finance. Part of the Venture Builder Incubator Cohort 5.0 (2025) at the University of Edinburgh's Bayes Centre. 2025 Developments: Qinara is currently developing its CirQ quantum circuit optimizer product while participating in the University of Edinburgh's Venture Builder Incubator program. The company is focused on demonstrating quantum advantage for AI applications and building partnerships across multiple industry verticals.
QinetiQ Quantum Technologies
QinetiQ is a defense technology company conducting UK MoD quantum navigation trials and developing quantum sensing for aerospace and defense applications. The Farnborough company provides defense R&D. QinetiQ develops and tests quantum sensors for military applications including quantum navigation systems, quantum communications, and quantum radar, supporting UK defense requirements for advanced sensing technologies.
QLM Technology
QLM Technology is a UK quantum sensing company founded in 2020 that develops quantum gas cameras and ultracold atom imaging systems for quantum research and quantum sensing applications, providing specialized detection and imaging equipment that enables researchers to visualize and characterize quantum states in ultracold atomic gases, supporting quantum computing research, quantum simulation experiments, and fundamental physics investigations that require precise detection and measurement of quantum many-body systems and quantum phase transitions in atomic gases at nanokelvin temperatures.
Quantinuum
Quantinuum (Honeywell Quantum Solutions + Cambridge Quantum merger) is pursuing the first universal fault-tolerant quantum computer. In September 2025, raised $600 million at $10 billion pre-money valuation led by Quanta Computer, NVentures (NVIDIA VC), and QED Investors. Also JPMorganChase, Mitsui, Amgen, Cambridge Quantum Holdings, Serendipity Capital, Honeywell. Previous round: $300 million at $5B valuation (January 2024). November 2025: Launched Quantinuum Helios with 98 barium ion qubits (upgraded from 56 ytterbium), achieving approximately 99.92% two-qubit gate fidelity. Helios supports up to 48 fully error-corrected logical qubits at 2:1 encoding rate. Switched from ytterbium to barium ions enabling visible-light laser manipulation (improved cost, component lifetime, scalability). Integrated NVIDIA GB200 for real-time error decoding with 'on the fly' error correction capability. Early adopters: SoftBank, JPMorgan Chase, Amgen (biologics research), BMW (fuel cell research). Selected for DARPA Stage B of Quantum Benchmarking Initiative (up to $15M funding). Strategic partnerships: NVIDIA (founding collaborator for Accelerated Quantum Research Center), Singapore National Quantum Office (Helios installation 2026), Qatar Invest Qatar (Middle East expansion May 2025), RIKEN, SoftBank, Infineon, STFC Hartree Center. Market positioning: most accurate commercial general-purpose quantum computer with industry-leading gate fidelities.
Quantopticon
Quantopticon develops the world's first state-of-the-art software for modeling quantum photonic components called Quantillion. Founded by mother-daughter duo Gaby Slavcheva (Chief Scientific Officer) and Mirella Koleva (CEO), the company creates advanced software with a patent-pending algorithm for precise quantum electrodynamics. Quantillion allows hardware engineers to build optimized, highly performant quantum-photonic components and integrated circuits, shortening the optimization process from 26 weeks to 2 weeks and decreasing costs by 90%. The methodology underlying Quantillion was developed over 20 years of patent-pending research. Funding includes Innovate UK grants and partnerships with Universities of Cambridge and Oxford. Participated in Duality quantum accelerator and Creative Destruction Lab.
Quantrologee
Quantrologee is a joint spin-out venture from the UK National Quantum Technologies Programme devoted to high-precision measurement technology. The company is founded upon decades of expertise and intellectual property in quantum technologies and nanofabrication. Quantrologee develops advanced quantum sensors and metrology equipment for scientific research and industrial applications.
QuantrolOx
QuantrolOx is an Oxford University spin-out building AI and machine learning-based automation software for quantum computer control systems. Their flagship product Quantum Edge uses Bayesian optimization to automate tuning, stabilization, and optimization of qubits across all major quantum hardware platforms, reducing resonator and qubit spectroscopy from hours to seconds and enabling one expert to manage multiple quantum computers instead of 3-4 experts for 10 qubits. The company raised £1.4 million in seed funding in 2022 led by Hoxton Ventures and Nielsen Ventures.
Quantum Dice
Quantum Dice is a UK quantum hardware company founded in 2019 that develops quantum random number generators using quantum tunneling effects in semiconductor devices to produce true quantum randomness, creating compact quantum entropy sources and random number generation hardware for cybersecurity, cryptography, and secure communications applications, providing quantum random number generators, entropy devices, and quantum-safe randomness solutions for telecommunications providers, cybersecurity companies, and organizations requiring certified high-quality entropy sources for encryption keys, digital signatures, and secure protocols that leverage quantum physical processes for unpredictable randomness generation.
Quantum Exponential
Quantum Exponential is a UK-based quantum technology investment and commercialization company founded in 2020. The company invests in quantum computing startups, quantum technology companies, and quantum-enabled businesses across quantum computing stack. Quantum Exponential provides strategic investment, business development support, and quantum expertise to portfolio companies. The company focuses on quantum software, quantum algorithms, quantum applications, and quantum technology commercialization. Quantum Exponential serves quantum technology investors, quantum entrepreneurs, and quantum industry stakeholders. The company contributes to UK quantum technology ecosystem advancing quantum technology commercialization, quantum startup growth, and quantum industry development. Quantum Exponential positions itself as quantum technology investor and quantum business accelerator supporting quantum technology adoption and quantum industry expansion worldwide. 2025 Developments: Active investment activities in quantum technology companies continue in 2025. Portfolio companies show progress in technology development and commercialization. Focus on supporting quantum startups through funding and strategic guidance.
Quantum Fabrix
Quantum Fabrix (trading as QFX) is a University of Oxford spinout incorporated in 2024, founded by Dr Joe Goodwin (CTO), Dr Laurent Stephenson (CSO), and Dr Peter Drmota (CIO). The company is headquartered at Begbroke Science Park and builds on world-leading trapped ion quantum computing research from the University of Oxford. In October 2025, QFX raised £2 million (€2.2M) in seed funding led by renowned Silicon Valley investor and Y Combinator co-founder Paul Graham. The company already has a commercially available product: a compact, high-performance atomic source designed to support integration across quantum platforms. QFX provides modular quantum hardware for trapped ion systems, supplying precision modules to build and link devices for quantum computing, sensing, and secure communications. The company is developing the first scalable networked quantum computing architectures, combining individual trapped ions with optical microcavities. Associate Professor and ERC Laureate Dr Joe Goodwin leads the technical vision while his co-founders bring deep expertise from Oxford's quantum research programs.
Quantum Motion
On September 15, 2025, Quantum Motion delivered the first full-stack silicon CMOS quantum computer at the UK National Quantum Computing Centre, built on a 300-mm wafer process that integrates a quantum processing unit, cryogenic control electronics and a dilution refrigerator into a footprint of just three 19-inch racks. November 2025: Selected for DARPA Stage B of Quantum Benchmarking Initiative (up to $15M funding) for MOS-based silicon spin qubit technology, advancing toward utility-scale quantum computing by 2033. The system combines Quantum Motion's Quantum Processing Unit with a user interface and control stack compatible with Qiskit and Cirq, offering a complete data-centre-friendly solution that can be upgraded to larger processors without altering its physical envelope. This milestone demonstrates that a robust, functional quantum computer can be mass-produced using the same transistor technology underpinning conventional silicon chips. In October 2025, researchers at Quantum Motion achieved single-shot spin readout directly within a standard 22 nanometer integrated circuit, converting spin information into a measurable electrical signal with exceptional visibility exceeding 90% and observing millisecond spin relaxation times.
Quantum Security Defence
Quantum Security Defence is a global community and consultancy organization focused on quantum technologies, quantum cybersecurity, and quantum secure communications, founded by Anna and Steve. Operating internationally with a UK base, the organization unites the global quantum supply chain so that adoption is trusted, secure, and resilient. Quantum Security Defence has grown to more than 1,000 members with a 20,000+ fast-growing community and 100+ expert contributors providing global capability. The organization provides enterprise supply chain consulting services via a professional membership model, serving enterprises, governments, and critical infrastructure leaders navigating quantum adoption. Services include guidance through complexity from policy and standards to implementation roadmaps, access to 40-50 hours of expert lectures on quantum technologies and cybersecurity courses, and strategic consulting on quantum strategy yielding 85% cost savings and 4-week capability boosts. Quantum Security Defence operates as both an educational platform and professional consultancy, helping organizations prepare for quantum threats while building quantum-ready infrastructure and security frameworks.
QuantumLeap AI
QuantumLeap AI develops quantum machine learning software and AI-powered quantum algorithm optimization tools. The company combines quantum computing with classical AI to create hybrid systems for complex data analysis and pattern recognition. QuantumLeap AI's platform provides tools for quantum neural network development, quantum feature extraction, and quantum-enhanced AI model training. Target applications include drug discovery, materials science, and financial modeling where quantum machine learning can provide advantages. Based in London, QuantumLeap AI collaborates with AI researchers and quantum computing companies. The company focuses on practical quantum machine learning applications deliverable on near-term quantum hardware. QuantumLeap AI offers both software tools and consulting services for quantum AI development.
Qubo Quantum
Qubo Quantum is a UK quantum technology consultancy offering training to implementation services, empowering organizations with quantum opportunities and threats understanding. The company provides quantum education programs, strategic consulting, and implementation support to help businesses adopt quantum technologies. Qubo Quantum serves enterprises across multiple sectors with customized quantum training programs, quantum strategy development, and practical guidance for integrating quantum computing into business operations.
Queensgate Nanopositioning
Queensgate manufactures piezo actuators with capacitance feedback for precision motion control and nanopositioning in quantum applications. The Torquay company provides closed-loop positioning systems. Queensgate's high-precision actuators enable nanometer-scale positioning for quantum optics experiments, quantum device manufacturing, and scientific instrumentation requiring ultra-stable positioning.
Quinas Technology
Quinas Technology is a Lancaster University spinout developing ULTRA RAM, a revolutionary quantum-enhanced computer memory technology for AI and secure computing applications. The company became the first UK company to win a 2025 World Intellectual Property Organisation (WIPO) Global Award. Quinas Technology showcased its breakthrough memory technology at the UK National Quantum Technologies Showcase in November 2025. ULTRA RAM combines the speed of traditional RAM with the non-volatility of flash memory, enabled by quantum mechanical effects in novel semiconductor structures. The technology has potential applications in AI accelerators, secure computing, and next-generation data centers where energy efficiency and data persistence are critical requirements.
Qureca
Qureca is a UK quantum education and workforce development company founded in 2019 that provides comprehensive quantum training programs, professional development courses, and recruitment services for the quantum technology industry, offering educational content ranging from quantum fundamentals to advanced quantum computing applications for professionals, students, and organizations looking to build quantum expertise, connecting quantum talent with employers across academia, industry, and government while developing curricula and certification programs that address the growing global demand for quantum-skilled professionals in quantum computing, quantum communications, quantum sensing, and related quantum technologies.
Rahko
Rahko applies quantum machine learning algorithms to drug discovery and pharmaceutical research, developing quantum-enhanced computational methods for molecular analysis, drug-target interactions, and compound optimization that leverage quantum computing's potential advantages in exploring complex chemical space for therapeutic applications.
RF Com CryoCoax
RF Com manufactures high-density microwave interconnects for quantum computers with SMPM connectors at 4.75mm pitch enabling 120 lines on ISO 100 plate. The Abingdon company specializes in cryogenic RF. RF Com's CryoCoax high-density interconnect solutions address the wiring bottleneck in scaling quantum computers, enabling thousands of control and readout lines in compact dilution refrigerator spaces.
Riverlane
Riverlane is the quantum error correction leader, building Deltaflow software platform for fault-tolerant quantum computing. Series C: €85M (Europe's first for quantum). November 2025: Released 'Quantum Error Correction Report 2025' with Resonance - QEC now 'universal priority' but severe talent crisis (only 1,800-2,200 of 20,000 quantum workforce work on QEC). September 2025: Deltaflow 2 deployed at Oak Ridge National Laboratory - first dedicated real-time QEC at U.S. national lab. July 2025: First UK commercial QEC deployment with OQC at CentreSquare data centre. April 2025: Selected for three UK Quantum Missions Pilot projects: £3.5M Rigetti project at NQCC, OQC QEC testbed (by March 2026). Part of Diraq's DARPA QBI consortium for Stage B. Partners: AWS, Google, NVIDIA, IBM, Quantinuum, QuEra. Total funding: $120M+.
RobQuant
RobQuant is a UK quantum technology startup that emerged from the Quantum Engineering Technology lab at the University of Bristol. Founded by Dr. Joe Smith, the company develops robotic systems designed to operate in the harsh conditions necessary for quantum experiments, including low temperatures and atomic-scale interactions. RobQuant's precision robotic arms enable automated manipulation and positioning in quantum sensing experiments, drawing inspiration from surgical robotics to overcome the constraints of quantum laboratory environments. The company focuses on quantum microscopy applications and micro-robotics for precision quantum research.
Rolls-Royce
Rolls-Royce explores quantum computing applications for aerospace and energy sectors, investigating quantum algorithms for engine design optimization, materials simulation, supply chain management, and predictive maintenance to enhance efficiency and performance in aviation and power generation systems.
SECQAI
SECQAI is an ultra-secure hardware and software company and NATO DIANA initiative member that announced the world's first hybrid Quantum Large Language Model (QLLM) in February 2025. The technology integrates quantum computing into traditional LLM structures to enhance computational efficiency, problem-solving capabilities, and linguistic understanding with applications in semiconductor design, cryptography, materials discovery, and pharmaceuticals. SECQAI is supported by NATO DIANA Accelerator and Innovate UK funding for quantum computing research.
Standard Chartered
Standard Chartered PLC is a British multinational banking and financial services company founded in 1969 (through merger, origins to 1853), headquartered in London, United Kingdom. Standard Chartered explores quantum computing for banking applications including fraud detection, financial modeling, and risk management. The company investigates post-quantum cryptography protecting banking infrastructure and customer data against quantum computing threats. Standard Chartered collaborates with fintech companies and quantum providers exploring quantum advantage for international banking operations across Asia, Africa, and Middle East markets. The company serves emerging markets banking requiring quantum-enhanced security and computational capabilities for cross-border transactions and financial services. Standard Chartered contributes to quantum-safe banking development preparing for post-quantum security transitions protecting international banking operations.
Toshiba Quantum Technology Division
Toshiba Quantum Technology Division is based in Cambridge, United Kingdom, headed by Andrew Shields, operating as part of Toshiba Europe Limited's Cambridge Research Laboratory. Toshiba started quantum cryptography research in 1999 and manufactures the Multiplexed QKD System at their Cambridge UK base. In March 2025, Toshiba Europe Limited launched a commercial QKD system integrating post-quantum cryptography (PQC) using NIST's ML-KEM standard, offering enhanced quantum-safe security. In May 2024, Toshiba developed a QRNG fully integrated into semiconductor chips ready for mass manufacture. The division demonstrated record-breaking QKD transmission distances and pioneered quantum-secured network deployments across Europe and Asia. Toshiba collaborates with telecommunications operators including BT Group and global financial institutions to deploy quantum-safe communications infrastructure. The company serves telecommunications operators, government agencies, financial institutions, and critical infrastructure sectors requiring commercial-grade quantum key distribution systems and quantum-safe networking equipment.
TreQ
TreQ Global Inc is a quantum systems engineering company founded in 2023 by US Air Force Reserve Brigadier-General Mandy Birch to expedite next-generation computing clusters that include quantum processors. The company is a global, high-level manufacturing company that builds and operates bespoke quantum computing clusters when and where clients need them. In October 2024, TreQ closed an oversubscribed seed round raising $5+ million led by Lavrock Ventures with participation from Creator Fund, Green Sands Equity, and firstminute capital. TreQ's approach marks a departure from single-technology, lab-based quantum computing, focusing on open-architecture design, systems engineering, and high-level manufacturing. By integrating innovative components and processor prototypes from various sources, TreQ delivers complete quantum systems. Team members have built some of the world's first commercial quantum computers with experience at NASA, Apple, Cisco, and Department of Defense. Headquartered at Milton Park in Oxfordshire, UK's largest single ownership innovation community, TreQ chose the UK as its headquarters due to its status as a global quantum hub. Products include the COMPASS SG25B turnkey Quantum Innovation Station featuring Rigetti's Novera 9-qubit QPU and Qblox modular quantum control stacks.
TundraSystems Global
TundraSystems Global LTD is a quantum optical computing company founded in October 2014 in Cardiff, Wales, developing a quantum photonics technology library and the TundraProcessor quantum photonics microprocessor. The company amalgamates developments from academic sources including University of Bristol, MIT, and UK Quantum Technology Hubs to develop computational solutions in an all-optical regime using the Quantum Computational Paradigm. At the heart of their TundraSystem is a 64-qubit quantum processor, functioning as a High-Performance Computing Unit (HPC Unit). TundraSystems is developing TundraQOS (Quantum Operating System), a universal quantum operating system with classical control. The company was featured in The Journal of Supercomputing's comprehensive review of scalable fault-tolerant photonic quantum computers alongside iPronics, Jiuzhang, ORCA Computing, Photonic Inc., PsiQuantum, Quandela, QuiX Quantum, TuringQ, and Xanadu. Founded by Dr. Brian Antao, Ph.D. in Computer Engineering from Vanderbilt University.
Universal Quantum
Universal Quantum develops trapped ion quantum computers using 'quantum charge-coupled device' (QCCD) architecture. Founded by Winfried Hensinger from University of Sussex. Major German Contract: €67M from German Aerospace Center (DLR) - largest EU government investment for quantum tech research. Building two world-firsts in Germany: single-chip quantum computer with electronic chip, and multi-chip system with up to 100 qubits. December 2025: UK-Germany collaboration announced - £6M joint quantum R&D call for 2026, £8M for Fraunhofer UK photonics. November 2025: CEO Sebastian Weidt testified before UK Parliament on quantum computing policy. Partnerships: Rolls-Royce (fuel-efficient aviation turbines), German Aerospace Center. Recognized as second government backing scalable quantum mission after UK investment.
University College London
University College London (UCL) is a public research university founded in 1826, located in London, United Kingdom. UCL conducts advanced quantum research through quantum science and engineering programs advancing quantum computing quantum communications and quantum technologies. The university researchers contribute to quantum algorithms quantum hardware quantum networks and quantum applications. UCL collaborates with UK quantum companies and maintains quantum research partnerships. The university serves quantum research community through quantum research quantum education and technology transfer supporting UK National Quantum Technologies Programme advancing quantum technology development and quantum innovation.
University of Bristol
University of Bristol is a red brick research university founded in 1876, located in Bristol, United Kingdom. Bristol conducts world-leading quantum photonics research advancing photonic quantum computing quantum communications and quantum technologies. The university Quantum Engineering Technology Labs and Quantum Engineering Centre for Doctoral Training advance quantum hardware development. Bristol has produced quantum technology spinouts including PsiQuantum and Orca Computing. The university serves quantum research community through quantum research quantum education and technology transfer supporting UK quantum technology leadership positioning Bristol as global quantum photonics research leader.
University of Cambridge
University of Cambridge is a collegiate research university founded in 1209, located in Cambridge, England, second-oldest university in English-speaking world. Cambridge conducts world-leading quantum research through quantum computing quantum materials quantum photonics and quantum technologies programs. The university Cavendish Laboratory advances quantum physics research. Cambridge has produced numerous quantum technology spinouts including Cambridge Quantum Computing and maintains strong quantum industry partnerships. The university serves quantum research community through fundamental quantum research quantum education and technology transfer advancing quantum information science supporting UK quantum technology leadership positioning Cambridge as global quantum research leader.
University of Oxford
University of Oxford is a collegiate research university founded circa 1096, located in Oxford, England, oldest university in English-speaking world. Oxford conducts world-leading quantum research through Oxford Quantum Information Science group, Department of Physics, and Oxford Quantum Circuits spinout. The university advances quantum computing quantum cryptography quantum communications and quantum technologies. Oxford researchers contribute to ion trap quantum computing quantum algorithms quantum error correction and quantum hardware development. The university has produced numerous quantum technology spinouts including Oxford Quantum Circuits and maintains partnerships with quantum companies. Oxford serves quantum research community through fundamental quantum research quantum education and technology transfer advancing quantum information science and supporting UK quantum technology leadership positioning Oxford as global quantum research leader.
Vodafone
Vodafone Group PLC is a British multinational telecommunications company founded September 16 1982 headquartered in Newbury Berkshire experimenting with quantum key distribution and quantum-safe security technologies for telecommunications networks. Vodafone is among leading telcos experimenting with and deploying quantum technology for network optimization wave propagation and cybersecurity applications. The company invests in post-quantum cryptography preparing telecommunications infrastructure for quantum threats. Vodafone explores quantum networking technologies for ultra-secure communications and quantum-enhanced network management for 5G and future telecommunications infrastructure serving global telecommunications markets enterprise customers government agencies and critical infrastructure sectors.
Wave Photonics
Wave Photonics is a Cambridge-based integrated photonics company founded in May 2021 by University of Cambridge quantum photonics PhDs James Lee and Matthew Anderson along with CTO Mateusz Kubica. The company received £4.5 million ($5.8M) in seed funding in June 2024 co-led by UK Innovation & Science Seed Fund and Cambridge Enterprise Ventures, with participation from Redstone QAI Ventures' Quantum Fund, Kyra Ventures, and Deep Tech Labs. Complemented by non-dilutive grants from Horizon Europe EIC Fund and Innovate UK, Wave Photonics' total funding reached £5.4 million ($6.9M). The company develops on-chip photonics designs for quantum technologies, sensors, and data-center applications, building and validating computational photonics design technology to reduce photonic product development time and unlock the transformative potential of integrated photonics. Wave Photonics leads consortium projects pioneering quantum computing applications leveraging photonic integrated circuits.
Zero Point Motion
Zero Point Motion is a UK quantum technology company founded in 2020 that develops quantum inertial navigation systems and quantum accelerometers for precision navigation applications where GPS is unavailable, creating compact quantum sensors that leverage cold atom interferometry and atomic physics to provide ultra-precise measurements of acceleration and rotation for autonomous vehicles, submarines, aircraft, and spacecraft requiring navigation-grade performance in GPS-denied environments, offering quantum sensing solutions that maintain long-term navigation accuracy without external reference signals through atomic-scale precision measurements.