Nine23
Nine23 is a UK Sovereign, High-Assurance Managed Service Provider delivering accredited private cloud, secure mobility, and cyber advisory services to UK Defence, HM Government, National Security, and their supply chains, operating primarily on its owned Platform FLEX infrastructure listed on CCS frameworks.
- Company typePrivate
- Founded2014
- HeadquartersChilworth, United Kingdom
- Headcount11–50
- GTM typeB2B
- OfferingServices
What Nine23 does
Nine23 Ltd is a UK-based, veteran-owned High-Assurance Managed Service Provider delivering cyber-secure, resilient digital services for mission-critical operations in UK Defence, HM Government, National Security, and their supply chains. The company's core technology is Platform FLEX, a wholly owned and managed UK Sovereign private cloud platform hosted entirely in UK data centres, accredited to support data at OFFICIAL-SENSITIVE through SECRET classification, with connectivity to government networks including PSN, HSCN, RLI/ALI, LECN/LEDS and PNN. Around Platform FLEX, Nine23 has built a portfolio of sub-products (FLEX Sentinel, FLEX Pulse, FLEX Pathway, Sentinel Workstation, Sentinel Vault, LynX, LynX Mesh, LynX FileShare, FLEXContainer) and managed services including Managed Mobility as a Service (MMaaS), PSN Gateway Service, UEM Migration Service, Digital Asset Collaboration System (DACS), InfoSec Advisory & Assurance, and Managed IT Services.
Nine23's go-to-market is enterprise field sales into UK regulated sectors, supported by listing on Crown Commercial Service procurement frameworks (G-Cloud with 41+ services, Cyber Security Services 3, Digital Outcomes & Specialists) which allow public-sector buyers to procure directly. Revenue is generated primarily through multi-year managed-service contracts (recurring managed-service subscriptions) plus professional services for cyber advisory and assurance, with all staff holding Security Clearance (SC) and NPPV3 vetting. The company holds a dense regulatory stack — ISO/IEC 27001:2022, ISO 9001:2015, ISO/IEC 20000-1:2018, ISO 14001:2015, Cyber Essentials Plus, Defence Cyber Certification Level 0, and PSN Code of Service compliance — which functions as the principal barrier to entry for this customer base. Named clients include the Ministry of Defence (DE&S), Financial Conduct Authority, HM Treasury, Food Standards Agency, Metropolitan Police, College of Policing, Cabinet Office, and DSIT. In May 2026, Austability Group Ltd acquired an 80% majority stake in Nine23; founder Stuart McKean retains 20% and serves as Chairman, with Nine23 continuing to operate as a 100% UK-owned sovereign entity under UK law.
Nine23 firmographics
Firmographics- Name
- Nine23
- Legal name
- Nine23 Ltd
- Website
- https://nine23.co.uk
- Company type
- Private
- Founded year
- 2014
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- Nine23 is a UK Sovereign, High-Assurance Managed Service Provider delivering accredited private cloud, secure mobility, and cyber advisory services to UK Defence, HM Government, National Security, and their supply chains, operating primarily on its owned Platform FLEX infrastructure listed on CCS frameworks.
- Ownership category
- akta.pro rank
Nine23 industry classification
Industry- Product category
- Managed Cybersecurity & Sovereign Cloud Services
- NAICS
- Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services (5182)
- SIC
- Services-Business Services, Nec (7389)
- akta.pro primary industry
- Cloud Security Managed Services (CSPM/CWPP/CNAPP) (BPAEADAF)
- akta.pro secondary industries
- Security Operations Center (SOC) as a Service (BPAEADAB), Network Security Managed Services (Firewall/IDS/IPS/SASE) (BPAEADAG), Cloud-Managed & Managed Security Systems Services (Remote Monitoring, Maintenance) (BPAKAGAJ)
Keywords
Where Nine23 is headquartered
LocationHeadquarters
- HQ city
- Chilworth
- HQ country
- United Kingdom
- HQ region
- Europe
Offices1 record
Markets served
Nine23 business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Technology or R&D, Infrastructure, Marketing or Sales, Operations
Revenue model
- Managed Service Provision: Nine23 delivers fully managed IT and cloud services including Platform FLEX private/hybrid cloud hosting, managed mobility, secure collaboration, and integrated service management. Revenue is generated through recurring managed service contracts, typically with annual or multi-year billing cycles through government frameworks.
- Professional Services: Nine23 provides information security advisory and assurance services, including cyber strategy, threat vulnerability assessments, Secure by Design consultancy, and implementation services. These are delivered as professional service engagements.
- Cyber Security Services: Nine23 offers 41 cyber security services across G-Cloud lots (Cloud Hosting, Cloud Software, Cloud Support) and Cyber Security Services 3 (CS3) framework, spanning security advisory, managed security, and compliance services.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Subscription | Multi-year contract | Government framework procurement (G-Cloud, CS3, DOS) — quote-based pricing |
Go-to-market motion1 record
Distribution channels4 records
Marketing channels6 records
Nine23 product offering
Product offeringCore offering
Nine23 is a veteran-owned UK Sovereign High-Assurance Managed Service Provider that delivers secure private/hybrid cloud hosting, managed mobility, secure collaboration, and information security advisory services to UK Defence, HM Government, National Security, and their supply chains. Its offering is anchored by Platform FLEX, a wholly owned UK private cloud accredited up to OFFICIAL-SENSITIVE to SECRET, supplemented by the FLEX, LynX and Sentinel product families and InfoSec advisory engagements procured via G-Cloud, CS3 and DOS frameworks.
Product overview
Nine23 is a veteran-owned UK Sovereign, High-Assurance Managed Service Provider delivering cyber-secure, resilient digital services for mission-critical operations in Defence, HM Government, National Security, and their supply chains. The core offering is Platform FLEX — a UK Sovereign private cloud platform fully owned and managed by Nine23 — which underpins the product portfolio. The FLEX family includes FLEX Sentinel (security monitoring), FLEX Pulse (operational monitoring), and FLEX Pathway (secure network connectivity/migration). The LynX collaborative working suite (LynX, LynX Mesh, LynX FileShare) provides secure communication and file sharing, while Sentinel Workstation and Sentinel Vault offer additional endpoint and data security capabilities. Nine23 also offers Managed IT Services, Managed Mobility as a Service (MMaaS), InfoSec Advisory & Assurance, PSN Gateway Service, and Digital Asset Collaboration System (DACS). Services are built to meet stringent regulatory compliance requirements (ISO 27001:2022, ISO 9001:2015, ISO 20000-1:2018, ISO 14001:2015, Cyber Essentials Plus, DCC) and are fully aligned with NCSC/DSIT guidance and Secure by Design principles, providing assurance for data above OFFICIAL classification.
Differentiator
Problem solved
Functional benefit
Brands
- Platform FLEX: UK Sovereign private cloud platform infrastructure that is fully managed and Nine23 owned, enabling secure cloud-hosted solutions at OFFICIAL-SENSITIVE to SECRET classification levels.
- FLEX Sentinel
- FLEX Pulse
- FLEX Pathway
- LynX
- LynX Mesh
- LynX FileShare
- FLEXContainer
Products and services
- Platform FLEX UK Sovereign private cloud platform fully owned and managed by Nine23, providing secure, scalable, customisable cloud hosting with end-to-end accreditation up to OFFICIAL-SENSITIVE to SECRET. Hosted in UK data centres with connectivity to PSN, HSCN, RLI/ALI, and LECN/LEDS networks for Defence, HM Government and National Security clients.
- FLEX Sentinel Security monitoring and endpoint management capability within the Platform FLEX ecosystem, providing accredited workstation security and protective monitoring for high-assurance Defence and Government environments.
- FLEX Pulse Operational monitoring and assurance component of Platform FLEX providing visibility into system performance and service levels for mission-critical operations in regulated environments.
- FLEX Pathway Secure connectivity solution enabling migration and interoperability between legacy networks (PSN, PSNfP, LECN/LEDS) and cloud-hosted services, supporting Police Digital Services guidance and DSIT Secure by Design principles.
- LynX Collaborative Working Suite Secure collaborative working suite (LynX, LynX Mesh, LynX FileShare) providing high-assurance communication, mesh networking and controlled file sharing for Defence, Government and National Security environments.
- FLEXContainer Defence-grade BYOD secure mobile workspace built in partnership with SyncDog, using FIPS 140-2 and AES 256-bit containerised encryption to isolate business data from personal device content, integrated with EMM systems and managed via Platform FLEX.
- Managed Mobility as a Service (MMaaS) End-to-end managed mobile device and mobility service covering MDM, MAM, secure email, web gateway, secure voice/messaging and enterprise content management with a 12-step Define-Develop-Deploy implementation model for OFFICIAL-SENSITIVE (IL3) ecosystems.
- Managed IT Services End-to-end managed IT services providing secure, dedicated expert management and support for IT requirements, or escalated support to complement existing IT departments, delivered under integrated service management.
- InfoSec Advisory & Assurance Information security advisory and assurance services covering Security & Cyber Strategy, Adopting Secure by Design, Threat/Vulnerability/Risk Assessment, Assurance as a Service, and Working Above OFFICIAL, aligned with NCSC/DSIT guidance and Secure by Design principles.
- PSN Gateway Service Managed Public Services Network (PSN) gateway service accredited under the PSN Code of Service, providing secure remote access to PSN for public sector clients such as the FCA and FSA.
- Digital Asset Collaboration System (DACS) Virtual Learning Environment (VLE) and scenario-based training platform with xAPI-based Learning Records Store, delivering classroom-in-a-box digital media investigator training for law enforcement.
- UEM Migration Service Unified Endpoint Management (UEM) migration service using EBF Onboarder hosted on Platform FLEX, enabling secure migration between UEM platforms with minimal user disruption and zero service interruption.
Quantifiable outcome
- Delivered a fully accredited PSN Gateway Service to the FCA in less than 6 months
- +2 more outcomes
Companies that use Nine23
Customer profileNamed customers9 records
Segments4 records
Ideal customer profiles3 records
Nine23 technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Integration4 records
Feature11 records
Nine23 partnerships and signals
Strategic signalPartnerships
Twelve partnerships are on record, tiered core and minor.
- Infratech DigitalcoreNine23 and Infratech Digital entered a strategic partnership following ISO44001 collaborative business relationship standards. The partnership focuses on ensuring efficient and secure configuration of existing technology investments and adoption of Secure by Design principles into new digital programmes, providing customers with well-architected, highly secure, and dependable services.
- BNS CyberminorBNS Cyber and Nine23 signed a Memorandum of Understanding (MOU) to establish a strategic partnership focused on delivering robust, secure digital services.
- HighsideminorHighside chose Nine23 to provide UK Sovereign secure communications, controlled file-sharing, and compliant collaboration services.
- PulsantminorPulsant and Nine23 signed a strategic partnership deal for UK sovereign cloud and managed services.
- e2e-assurecoreNine23 and e2e-assure formed a strategic SME partnership to deliver the Sovereign Security Service, combining Nine23's UK sovereign Platform FLEX cloud with e2e-assure's 24/7 SOC-as-a-Service (SOCaaS) and Managed Detection & Response. The joint service integrates e2e's Cumulo SOC platform (SIEM, SOAR, XDR) with Nine23's managed services, providing protective monitoring by SC-cleared analysts. Available on G-Cloud 12.
- EBFcoreNine23 partnered with EBF to host a UK-sovereign version of the EBF Onboarder cloud migration tool on Platform FLEX. This enabled HM Treasury to migrate mobile devices between UEM platforms using UK-based data centres rather than the EU-hosted version, meeting government data sovereignty requirements.
- Armour CommunicationscoreNine23 partners with Armour Communications to deliver Medicomms by Armour, a secure clinical communications solution, via Nine23's NHS-accredited FLEX platform. Medicomms was selected for the first NHSX Clinical Communications Procurement Framework, enabling healthcare professionals to securely use the app across iOS, Android, and Windows devices at OFFICIAL-SENSITIVE classification.
- Tonic AnalyticscoreNine23 and Tonic Analytics signed a Memorandum of Understanding (MOU) in December 2019 to collaborate on secure cloud-hosted predictive analytics and connectivity solutions for the UK public sector. Tonic Analytics hosts its red.thread predictive analytics technology on Nine23's UK accredited Platform FLEX. The first application was the 'Galileo' road safety programme for Highways England and NPCC.
- Secure ChoruscoreNine23 joined Secure Chorus as a Partner Member in July 2018/2019. Secure Chorus is a not-for-profit membership organisation developing common standards for secure multimedia communication using MIKEY-SAKKE encryption, approved by 3GPP for mission-critical applications. Nine23 contributes to developing an ecosystem of interoperable, secure, and compliant technologies.
- SyncDog, Inc.coreNine23 and SyncDog announced a global partnership in June 2019 to enable mobile workers with BYOD secure mobile workspace capabilities. The partnership added FLEXContainer to Nine23's FLEX platform, combining SyncDog's FIPS 140-2, AES 256-bit encrypted containerised workspace with Nine23's UK accredited private cloud. The joint offering enables frontline users to securely access enterprise applications from personal devices.
- JAGGAERminorJAGGAER is listed among collaboration tools and platforms registered and approved by Nine23 to meet customer compliance needs.
- CoupaminorCoupa is listed among collaboration tools and platforms registered and approved by Nine23 to meet customer compliance needs.
Scale indicators5 records
Recent moves7 records
Expansion highlights5 records
Nine23 competitors and assessment
Company assessmentDirect peers
- QinetiQ: QinetiQ provides high-assurance ICT, secure managed services, and cyber capabilities primarily to UK Defence and National Security. It competes head-to-head with Nine23 for classified workloads and offers similar sovereign, SC-cleared delivery models.
- e2e-assure: e2e-assure is a UK-based SOC-as-a-Service and MDR provider that partners with Nine23 on the Sovereign Security Service. It is directly comparable as a UK SME delivering managed cyber security to government and regulated sectors, frequently co-selling with Nine23.
Broad incumbents
- BAE Systems Digital Intelligence: BAE Systems' cyber and intelligence division delivers high-assurance secure cloud, managed security, and intelligence-grade platforms to UK MoD and intelligence customers. It is directly comparable to Nine23 as a larger incumbent serving the same sovereign, above-OFFICIAL buyer set, with a much broader portfolio.
- Sopra Steria: Sopra Steria is a major UK IT services and managed services supplier to HM Government, Defence, and policing. It overlaps directly with Nine23 on managed cloud, secure hosting, and digital transformation work delivered through G-Cloud and similar public sector frameworks.
- Fujitsu UK (Defence and National Security): Fujitsu's UK Defence practice delivers secure cloud, managed services, and digital transformation to MoD, policing, and wider government. It is a broad incumbent competing against Nine23 on G-Cloud and within the UK sovereign cyber market, including via Secure Chorus work.
- Thales UK: Thales UK supplies secure communications, cyber security, and managed services to UK defence, policing, and national security. It overlaps with Nine23 on secure collaboration, sovereign cloud, and above-OFFICIAL accreditation work.
- Capita (Secure Government and Defence): Capita's Secure Government and Defence business provides managed IT services, secure cloud, and digital transformation to UK public sector customers. It competes with Nine23 across Crown Commercial Service frameworks and in MoD-adjacent delivery.
- DXC Technology UK: DXC Technology provides managed IT services, cloud, and security to UK government and defence clients, including secure hosting and PSN-adjacent offerings. It is comparable to Nine23 as a broad incumbent targeting the same Crown Commercial Service buyer pool.
- BT (Secure Government / BT Security): BT's Secure Government division operates UK sovereign networks, managed security services, and PSN/HSCN connectivity. It is comparable to Nine23 on PSN gateway services, sovereign connectivity, and managed cyber offerings for UK government.
- Leonardo UK: Leonardo UK delivers cyber, secure communications, and digital services to UK defence and government. Comparable to Nine23 in the sovereign, security-cleared segment of the UK public sector market.
Market position
Strengths4 records
Weaknesses4 records
Competitive moat6 records
Key risks6 records
Key highlights7 records
Customer concentration
Nine23 social profiles
Digital presenceNine23 compliance and trust
Trust signalCompliance6 records
Nine23 financial estimates
Financial estimateRevenue estimate
Valuation estimate
Nine23 leadership team
Management profileNumber of profiles
Profiles6 records
Nine23 funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Nine23 M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Nine23
What does Nine23 do?
Nine23 is a veteran-owned UK Sovereign High-Assurance Managed Service Provider that delivers secure private/hybrid cloud hosting, managed mobility, secure collaboration, and information security advisory services to UK Defence, HM Government, National Security, and their supply chains. Its offering is anchored by Platform FLEX, a wholly owned UK private cloud accredited up to OFFICIAL-SENSITIVE to SECRET, supplemented by the FLEX, LynX and Sentinel product families and InfoSec advisory engagements procured via G-Cloud, CS3 and DOS frameworks.
Is Nine23 a public or private company?
Nine23 is a private company. It is classified as corporate owned and is currently operating.
When was Nine23 founded?
Nine23 was founded in 2014. It employs 11 to 50 people.
Where is Nine23 based?
Nine23 is headquartered in Chilworth, United Kingdom, in the Europe region.
How does Nine23 make money?
Three revenue lines are on record. Managed Service Provision is the primary driver. The others are professional Services and cyber Security Services.
Who are Nine23's main competitors?
Direct peers on record are QinetiQ and e2e-assure. Broad incumbents are BAE Systems Digital Intelligence, Sopra Steria, Fujitsu UK (Defence and National Security), Thales UK, Capita (Secure Government and Defence), DXC Technology UK, BT (Secure Government / BT Security) and Leonardo UK.
Does Nine23 have an API?
No public API is recorded for Nine23.
What industry is Nine23 in?
Nine23's product category is Managed Cybersecurity & Sovereign Cloud Services. Its primary akta.pro industry code is BPAEADAF, Cloud Security Managed Services (CSPM/CWPP/CNAPP), with a secondary code of BPAEADAB, Security Operations Center (SOC) as a Service. Its NAICS code is 5182 and its SIC code is 7389.