Arqit, a Privately Owned company headquartered in the UK, was founded in 2017 and employs approximately 160 individuals. Operating within the Information Technology & Services sector, the company supplies a quantum encryption platform-as-a-service.
Arqit Quantum Inc. filed a Schedule 13G/A statement of beneficial ownership on September 10, 2026, disclosing its principal executive offices in London. This followed a September 1, 2026 announcement where Arqit, Es’hailSat, the Qatar Satellite Company, and AIEE demonstrated quantum-safe satellite security. Earlier, on July 22, 2026, Arqit Chief Technology Officer Jonathan Nguyen-Duy published an article titled "Day Breach: A Governance Failure in Cybersecurity," addressing the industry's focus on the arrival of powerful quantum computers. On July 21, 2026, Arqit CEO Andy Leaver wrote an article, "Migrating to post-quantum," asserting that post-quantum security is critical now, citing government actions in the United States, United Kingdom, and France that underscore the impending commercialization of quantum computing and its implications.
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