At Nine23, we understand the complexity and responsibility that comes with delivering secure, UK Sovereign, high-assurance digital services across HM Government and their supply chains.
Our products and services are designed, built and managed to meet the strict requirements of the HM Government, in line with NCSC guidelines and Secure by Design principles. We support classified data above OFFICIAL.
In addition, certification and accreditations required such as Cyber Essentials Plus (CE+) and ISO/IEC 27001 to ensure the highest levels of security, compliance, and operational resilience.
Who We Work With





Nine23 is a government approved Crown Commercial Service (CCS) supplier available on the Digital Marketplace
Relevant Products
Secure By Design Consultancy
Cyber Resilience Risk Assessment
Platform FLEX
FLEX-Sentinel
FLEX Pathway
FLEX MESH
Sentinel – WS
Sentinel Vault
FLEX – Pulse
LynX
Accreditations
✓ Cyber Essentials Plus
✓ ISO 27001 certified
✓ UK data sovereignty
✓ Vetted SC cleared personnel
✓ ISO 14001 certified
✓ Compliant with NCSC guidelines
✓ ISO/IEC 20000-1 certified
✓ ISO 9001 certified
✓ Secure network access PSN/FN4G, PSNfP/LECN/LEDS, PNN, PND-R, RLI/ALI & HSCN