Nine23 - 'An Austability Group Company’ is a veteran-founded UK Sovereign High-Assurance, Managed Service Provider (MSP) delivering cyber secure, resilient digital services for mission-critical operations in Defence, HM Government, National Security, and their supply-chains. Our service offerings include InfoSec Advisory and Assurance, Private/Hybrid Cloud, Secure Collaboration, and Interoperability. Our solutions are built to meet the most stringent regulatory compliance requirements and are fully aligned with NCSC/DSIT guidance and Secure by Design principles – providing assurance that the systems we design, build, and manage can protect data at above OFFICIAL. We enable individuals and organisations to operate with confidence, security and compliance. - Info Security Advisory & Assurance - Private & Hybrid Cloud - Connected Data - Collaborative Working - Service Integration & Management. - People: All Nine23 staff are UK Citizens and Security Cleared (SC/NPPV3) - Process: Nine23 are ISO 9001, 27001 (Platform FLEX is in scope), 20000 & 14001 and Cyber Essentials Plus (CE+) certified - Technology: Platform FLEX is a Nine23 fully owned infrastructure and operated private cloud platform with data (including Metadata) & UK Sovereignty following the National Cyber Security Centre (NCSC) guidance and principles.
Looking for a particular Nine23 employee's phone or email?
The Nine23 annual revenue was $6.4 million in 2026.
Stephen Jewell is the CEO of Nine23.
18 people are employed at Nine23.
Nine23 is based in Chilworth, England.
The NAICS codes for Nine23 are [54151, 541, 5415, 541512, 54].
The SIC codes for Nine23 are [73, 737].