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Nine23 Ltd

UK managed service provider delivering secure mobile and cloud services to government and regulated sectors

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About Nine23 Ltd

Nine23 Ltd is a UK managed service provider for organisations that handle protectively marked data. The company describes itself as veteran-owned and focuses on defence, central government, national security and their supply chains. It began with a mobility focus for front-line users and now covers a wider secure services range.

What Nine23 Ltd offers

  • Information security advisory and assurance — guidance and checks that systems meet regulatory requirements.
  • Private and hybrid cloud — hosted environments built for sensitive data.
  • Secure collaboration — tools that let teams work together without weakening security.
  • Interoperability — links between systems used by different partners.
  • Enterprise mobility — apps, gateways and managed mobile services for regulated markets.

Who it works with

Clients are UK regulated bodies handling data above the OFFICIAL classification, including central government, public safety, the defence industry and firms in their supply chains.

Key facts

  • Data location: UK-held, with UK data sovereignty stated
  • Standards: work follows NCSC and DSIT guidance and Secure by Design principles
  • Ownership: veteran-owned
  • Environmental aim: commitment to reduce emissions towards net zero

Profile written by TrustList from the business's own published information, Oct 2026.

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