Source: https://tendernation.io/opportunities/01a13d1c-5c16-7098-99b8-a80c7a354ab8/cpt-26-39-specialist-model-assurance-support awarded GB restricted procedure Suitable for SMEs # CPT\_26\_39 Specialist model assurance support [National Audit Office](https://tendernation.io/buyers/national-audit-office) Estimated value £336,000 Published 26 Aug 2026 Deadline Closed 1 Jun 2026 ## 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. [More contracts for small businesses and VCSEs](https://tendernation.io/opportunities/for-small-businesses) ## About this tender The National Audit Office awarded a contract to Hartley McMaster Limited through the Crown Commercial Services GCloud 14 framework. The supplier will oversee and lead the testing of a subset of models within the NAO model assurance portfolio. The contract will commence on Monday 4 January 2027 and run for an initial period of three years until Thursday 3 January 2030. At the NAO's discretion, the contract may be extended by up to 12 months, until Friday 3 January 2031. The estimated contract value is £336,000 inclusive of VAT over the full four-year term. ## CPV classification Accounting and auditing services Source Contracts Finder (UK) [View official notice](https://www.contractsfinder.service.gov.uk/notice/6bc5942d-7e5a-4ed2-900c-ae594f9e9562) 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 Business services tenders](https://tendernation.io/sectors/business-services) ## More tenders like this [Social Housing Emerging Disrupters 6 · Procurement for Housing · 29 days left · 17 Nov 2026](https://tendernation.io/opportunities/01a154e4-4909-7303-a67f-9c3bff3eb4d8/social-housing-emerging-disrupters-6) [Business travel services – Rahmenvertrag Bearbeitung von Reisekostenabrechnungen nach BRKG · GSI Helmholtzzentrum für Schwerionenforschung GmbH · 29 days left · 17 Nov 2026](https://tendernation.io/opportunities/01a15183-cd6e-73e4-b6e8-3954e5689021/germany-business-travel-services-rahmenvertrag-bearbeitung-von-reisekostenab) [Photocopying services – Externe printdiensten · VZW Sint-Paulusschool · 36 days left · 24 Nov 2026](https://tendernation.io/opportunities/01a15183-34d8-71be-840d-38bf2a8bcc92/belgium-photocopying-services-externe-printdiensten) [Supply services of personnel including temporary staff – Diák- és nyugdíjas munkaerő biztosítása NTH (376) · NTH Nemzeti Tőkeholding Zrt. · 11 days left · 30 Oct 2026](https://tendernation.io/opportunities/01a15183-76f6-70c4-823e-7b614dada7b3/hungary-supply-services-of-personnel-including-temporary-staff-diak-es-nyug) [Interpretation services – Tolktjänster · Stockholms läns sjukvårdsområde · 31 days left · 18 Nov 2026](https://tendernation.io/opportunities/01a15183-4e9a-70dc-8b27-e3d274e53dc5/sweden-interpretation-services-tolktjanster) [Printing and distribution services – SGCD53\_MARCHE\_ELECTIONS\_BRGE · Préfecture de la Mayenne · 28 days left · 16 Nov 2026](https://tendernation.io/opportunities/01a15183-7726-73f4-bb67-b3121363d6bf/france-printing-and-distribution-services-sgcd53-marche-elections-brge)