CPT_26_39 Specialist model assurance support — National Audit Office — HARTLEY MCMASTER LIMITED

CPT_26_39 Specialist model assurance support

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.

Buyer: National Audit Office | Supplier: HARTLEY MCMASTER LIMITED | Procedure: Call-off from a framework agreement | CPV 79210000: Accounting and auditing services | Award value: 336000 GBP | Status: complete | Published: 2026-08-26

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