PQShield is a cryptographic technology company founded in 2018 as the largest spinout from Oxford University's Mathematical Institute. The company develops and provides quantum-safe cryptography solutions, addressing the security threat posed by the advancement of quantum computing to current encryption standards. Its technical focus encompasses post-quantum cryptography, cryptographic systems, and quantum computing.
The company's work spans hardware, software, and cloud. It is noted as the first cybersecurity company to implement quantum-safe cryptography on chips through its Hardware IP product. It also offers Software Libraries and Cloud Solutions for cryptographic applications. The team includes co-authors of the global NIST post-quantum cryptography (PQC) standards and represents one of the world's largest commercial groups of post-quantum cryptographers.
PQShield's solutions are deployed across critical industry verticals including semiconductors, military and aerospace, identity and payment technology, telecommunications, automotive, and industrial IoT. The company has advised governments, regulators, and international bodies such as the World Economic Forum and the European Parliament on cryptographic security matters.






