Business overview
Arqit Quantum Inc. is a cybersecurity software company that develops encryption platforms, specifically focusing on quantum-safe symmetric key agreement software. The company aims to provide security solutions that are resilient against attacks from both classical and quantum computers.
Valuation
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Update log
| Date | News | Impact |
|---|---|---|
| 9/9/2026 | Event outcome: Unknown event_outcome | Billington CyberSecurity Summit participation — No reliable public evidence was found confirming that Arqit Quantum Inc. participated in the 17th Annual Billington CyberSecurity Summit held on September 8–10, 2026. |
| 9/4/2026 | Timing score increases following successful quantum-safe satellite demo AI review | The increase in the timing score is driven by the 'Catalysts' pillar, which rose from 0 to 75 following the successful demonstration of quantum-safe satellite communications with Es’hailSat and AIEE. This practical application of Arqit's technology serves as a tangible technical milestone that enhances the short-term visibility of product deployment, which was previously nonexistent. There was no change to the underlying financial quality or valuation scores. |
| 9/2/2026 | Symmatrics, an encryption company, is presenting at the Billington CyberSecurity Summit regarding its quantum-secure trust layer for the AI era. | |
| 9/1/2026 | Yahoo Finance | |
| 9/1/2026 | Arqit, Es’hailSat and AIEE Demonstrate Quantum-Safe Satellite Communications The Quantum Insider | Arqit Quantum Inc. collaborated with Es’hailSat and AIEE to demonstrate the practical application of quantum-safe encryption in satellite communications. |
| 8/20/2026 | Lastwall has achieved CMMC Level 2 certification, reinforcing its position in identity security and quantum resilience for the U.S. defense sector. | |
| 8/4/2026 | PR Newswire | |
| 6/21/2026 | Arqit Quantum has settled a four-year legal dispute over alleged misrepresentations regarding its technology and revenue for $7 million. | |
| 6/18/2026 | Arqit Quantum has reached a $7 million settlement to resolve a long-running lawsuit concerning disclosures about its quantum encryption technology. | |
| 6/9/2026 | Arqit Quantum reported fiscal Q1 2026 revenue of $623,000 and an increase in contract volume compared to 2025. |