PQShield

PQShield is a UK-based cybersecurity company specialising in post-quantum cryptography, helping organisations future-proof their data and systems against the threat of quantum computing. A spinout from the University of Oxford, PQShield develops cryptographic solutions for hardware, software, and communications — including secure messaging, chip-level encryption, and enterprise-level protocols. The company works with governments, defence contractors, and multinational technology firms to integrate quantum-resistant cryptographic standards. PQShield is a contributor to global standard-setting bodies such as NIST and is regarded as a key player in preparing cybersecurity infrastructure for the post-quantum era.