Source: https://tendernation.io/opportunities/01a13d1e-160e-73df-a302-361255959729/cpt-24-52-specialist-model-assurance-support awarded GB open procedure Suitable for SMEs # CPT\_24\_52 Specialist model assurance support [National Audit Office](https://tendernation.io/buyers/national-audit-office) Estimated value £166,909 Published 15 Jan 2025 Deadline Closed 10 Feb 2025 ## Who can bid - Buyer says suitable for SMEs The buyer ticked “suitable for SMEs” on the notice. Anyone can still bid. - Buyer says suitable for VCSEs The buyer ticked “suitable for voluntary, community and social enterprises” on the notice. - Open procedure Anyone can submit a full tender; there is no shortlisting stage. [More contracts for small businesses and VCSEs](https://tendernation.io/opportunities/for-small-businesses) ## About this tender The National Audit Office (NAO) awarded a contract to Hartley McMaster Limited who will oversee and lead the testing of a subset of models with the NAO model assurance portfolio by • validation, verification and testing models and reconciling the model design back to the intended methodology. • overseeing a small portfolio of model assurance work to ensure that outputs are successfully delivered across the NAO modelling portfolio. • supporting the NAO to continuously improve our approach to implementing testing procedures The contract is expected to commence on Tuesday 1st April 2025 and run for an initial period of 12 months until Tuesday 31st March 2026. The contract may be extended by 2, 12 months until Friday 31st March 2028 at the NAO's discretion. The estimated contract value will be £111,272.40 inclusive of VAT over the 3 years duration. As of 1st April 2026, The current contract will also be extended for a further 12 months, from Wednesday 1 April 2026 to Wednesday 31 March 2027. Also the original contract value of £111,272.40 inclusive of VAT has been varied up to 50% and the new value is £166,908.60 inclusive of VAT. As of August 2026, this contract will expire in early January 2027 without further extension ## CPV classification System quality assurance assessment and review services Source Contracts Finder (UK) [View official notice](https://www.contractsfinder.service.gov.uk/notice/87bd1199-5ba8-49a7-a8f0-e1658011fe90) Never miss a tender like this again Get AI summaries, deadline alerts and a bid pipeline for tenders matched to your business. Free to start. [Track tenders free](https://tendernation.io/register) [Buyer profile National Audit Office: past awards and live tenders](https://tendernation.io/buyers/national-audit-office) [Sector More IT services tenders](https://tendernation.io/sectors/it-services) ## More tenders like this [SONI090 – Client-Side Advisor · SONI Ltd · 32 days left · 20 Nov 2026](https://tendernation.io/opportunities/01a154e4-4736-72ba-9b73-0e325c4a96e5/soni090-client-side-advisor) [Software implementation services – DNS - Metada Platform - licence a související implementační, konzultační, analytické a školicí služby · DIAMO, státní podnik · 36 days left · 23 Nov 2026](https://tendernation.io/opportunities/01a15183-8989-719a-85fd-f036dc09b9df/czechia-software-implementation-services-dns-metada-platform-licence-a-s) [IT services: consulting, software development, Internet and support – Integrale ICT-dienstverlening · Stichting TWijs · 42 days left · 30 Nov 2026](https://tendernation.io/opportunities/01a15183-8078-70d7-8df3-40f25f4d83c5/netherlands-it-services-consulting-software-development-internet-and-suppor) [Software supply services – CRE\_2026\_092 Renouvellement des licences Varonis · CREOS Luxembourg S.A. · 27 days left · 15 Nov 2026](https://tendernation.io/opportunities/01a15183-411c-7086-9da9-540c2fa32c64/luxembourg-software-supply-services-cre-2026-092-renouvellement-des-licences) [Software supply services – Vergabe zur Ablösung der bestehenden SAP-Lösung im Bereich Personal · Westfälische Verkehrsgesellschaft mbH · 29 days left · 16 Nov 2026](https://tendernation.io/opportunities/01a15183-0636-71ff-ab09-9dda4a94f77c/germany-software-supply-services-vergabe-zur-ablosung-der-bestehenden-sap-lo) [Computer facilities management services – IT-tjänster · Kalmar Läns Museum · 29 days left · 16 Nov 2026](https://tendernation.io/opportunities/01a15183-8774-723e-83a8-af2cae60c2ed/sweden-computer-facilities-management-services-it-tjanster)