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.