Awarded contract

CPT_26_39 Specialist model assurance support

Details

Value
£336,000
Duration
4 years
Topic
Accounting and auditing services
Published
26 August 2026

Tender description

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.

Timeline

  1. Completed: Award published26 August 2026
    Current notice
  2. Next: Award date4 January 2027in 2 months
  3. Upcoming: Contract expiry date3 January 2031

About the buyer

The National Audit Office scrutinises government spending on Parliament's behalf, and buys as a central body with its own Central Procurement Team. Purchases span professional services, technology, training, facilities management and office supplies bought to support its audit work. Procurement follows UK public procurement regulations alongside the office's own internal policies.

Over the past 5 years, most of the National Audit Office's contract awards have been in IT services, business services and software and information systems.

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