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    ContractsModel Assurance Testing Support Services
    Awarded contract

    Model Assurance Testing Support Services

    Awarded
    £166.9k
    Published 26 Aug 2026

    Specialist contractor providing model validation, verification, and testing support to the National Audit Office's modelling portfolio through January 2027.

    🇬🇧United KingdomPublished 26 Aug 2026· 4 weeks agoviaContracts Finder
    Awarded
    £166.9k
    Published 26 Aug 2026

    Decision brief

    4 fields
    • Contract value
      £166,909
      Pounds sterling
    • Tender closed
      10 Feb 2025
      1 years ago
    • Sector
      IT & Software
      Browse related listings
    • Location
      🇬🇧United Kingdom

    Suppliers

    1 supplier
    • HM
      HARTLEY MCMASTER LIMITED
    Lead contractor

    Lifecycle

    Awarded

    Contract awarded. Originally published 4 weeks ago.

    26 Aug 2026Today10 Feb 2025

    Brief

    The National Audit Office (NAO) has engaged Hartley McMaster Limited to provide specialist model assurance support services. The contractor will oversee and lead testing of a subset of models within the NAO's model assurance portfolio. Key responsibilities include: validating, verifying, and testing models while reconciling model design to intended methodology; overseeing a portfolio of model assurance activities to ensure successful delivery across the NAO's modelling operations; and supporting the NAO in continuously improving its testing procedures and implementation approaches. The contract commenced on 1st April 2025 with an initial 12-month term. The contract value has been varied to £166,908.60 inclusive of VAT. Please note: as of August 2026, the contract is scheduled to expire in early January 2027 without further extension.

    Track record

    15 awards · 12 winners
    Open field

    No single supplier dominates the field.

    In it software, NATIONAL AUDIT OFFICE has awarded 15 contracts to 12 suppliers.

    Who wins here
    1. WAVENET LIMITED2× · 13%
    2. Sight and Sound Technology Limited2× · 13%
    3. Telana Ltd2× · 13%
    4. Speak IT Solutions Limited1× · 7%
    5. HARTLEY MCMASTER LIMITED1× · 7%
    6. SOFTCAT PLC1× · 7%

    +6 more suppliers

    Across it software, the most active winners are SOFTCAT PLC, PHOENIX SOFTWARE LTD, INSIGHT DIRECT UK LIMITED — the field to beat, or your route in as a partner.

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    Take action
    View on sourceContracts Finder

    Award notice and full record on the publisher's site

    Publisher
    UK Cabinet Office
    Licence
    OGL v3.0
    Source
    contractsfinder.service.gov.uk
    Record ID
    98444b10-b3fc-4053-b74a-c6612a686993-912161
    NA
    Buyer
    NATIONAL AUDIT OFFICE
    Sector
    IT & Software