# ISO27001:2022 Recertification External Audit

> A sourced UK public sector contract award published by National Audit Office.

## Key facts

- Buyer: [National Audit Office](/buyers/national-audit-office/contract-awards)
- Supplier: [BSI Assurance UK Limited](/suppliers/bsi-assurance-uk/public-sector-contract-awards)
- Award value: £35,000
- Tender value: £35,000
- Award date: 20 November 2025
- Published: 27 November 2025
- Contract start: 20 April 2026
- Contract end: 19 April 2029
- Stage: awarded
- Procurement category: services
- Notice ID: 41f84be9-a76d-403c-bbd4-7802369ea11d-873764
- OCID: ocds-b5fd17-6fb8fd3d-8ae6-4219-a03e-2b4631d50e91

## Description

National Audit Office \(NAO\) awarded a contract to the supplier BSI Assurance UK Limited who will be conducting an ISO 27001:2022 recertification audit for the NAO\. The contract is expected to commence by Monday 20th April 2026 and will run initially for 12 months until Monday 19th April 2027 with 2, 12 months optional extensions to Thursday 19th April 2029\. The estimated contract value is up to £35,000 inclusive of VAT\.

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## Source

[View the original notice on Contracts Finder](https://www.contractsfinder.service.gov.uk/Notice/41f84be9-a76d-403c-bbd4-7802369ea11d-873764)