Nine23 | An Austability Group Company | We are a UK sovereign, veteran-founded Managed Service Provider (MSP) delivering secure, resilient digital services to Defence, HM Government, National Security and the organisations that support them. We specialise in high-assurance IT environments where security, sovereignty and reliability are essential. From private cloud and secure collaboration to information security advisory and service integration, we design, deliver and manage services that help organisations operate securely with confidence in their technology. Our capabilities include: • Private and Hybrid Cloud • Secure Collaboration and Connected Data • Information Security Advisory and Assurance • Service Integration and Management • Secure Infrastructure and Interoperability UK Sovereignty. Security. Expertise. Our approach brings together UK-based people, proven processes and sovereign technology. All Nine23 employees are UK citizens and security cleared to SC and NPPV3 level. Our credentials include ISO 9001, ISO 27001, ISO 20000, ISO 14001, DCC and Cyber Essentials Plus certification. Our fully owned and operated FLEX private cloud provides UK sovereign infrastructure, with data and metadata held within UK-controlled environments. FLEX supports workloads from OFFICIAL-SENSITIVE to SECRET, helping organisations maintain control over their data and digital operations. Part of the Austability Group.
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The Nine23 annual revenue was $6.4 million in 2026.
Stephen Jewell is the CEO of Nine23.
17 people are employed at Nine23.
Nine23 is based in Chilworth, England.
The NAICS codes for Nine23 are [5415, 54, 541, 54151, 541512].
The SIC codes for Nine23 are [73, 737].