Arqit Quantum Inc. ARQQ

What this company does

Arqit’s product portfolio offers a unique ability to detect and protect critical data and communications against threats caused by weak or antiquated encryption and helps customers migrate to security agency recommendation compliant post-quantum cryptography (PQC). Arqit’s analytical and encryption solutions allow governments, militaries, communications network operators and enterprises to assess their cryptographic topography and implement quantum secure solutions to protect critical data and communications. Arqit’s data-driven, risk advisory service, Encryption Intelligence, helps organizations gain a deep understanding of their encryption landscape with pinpoint precision. Arqit’s SKA-Platform™ and NetworkSecure™ products deliver symmetric key cryptographic solutions which protect data and communications against both today’s cyber threats and tomorrow’s risks to encryption posed by quantum computers. SKA-Platform™, operating through lightweight software agents deployed on individual endpoints, manages a process for the dynamic creation of encryption keys, based upon predefined security and network policies.

Written from the business description in Arqit Quantum Inc.'s annual report to the U.S. Securities and Exchange Commission, filed 9 December 2025. Every sentence was checked against that document before publication.