---
title: "ISO27001:2022 Recertification External Audit"
ocid: "ocds-b5fd17-6fb8fd3d-8ae6-4219-a03e-2b4631d50e91"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-b5fd17-6fb8fd3d-8ae6-4219-a03e-2b4631d50e91"
markdown_url: "https://d3tenders.com/contract/ocds-b5fd17-6fb8fd3d-8ae6-4219-a03e-2b4631d50e91.md"
json_url: "https://d3tenders.com/contract/ocds-b5fd17-6fb8fd3d-8ae6-4219-a03e-2b4631d50e91.json"
source: "Contracts Finder"
current_stage: "Award"
buyer: "NATIONAL AUDIT OFFICE"
published: "2025-11-27"
---

# ISO27001:2022 Recertification External Audit

Buyer: NATIONAL AUDIT OFFICE  
Current stage: Award  
OCID: ocds-b5fd17-6fb8fd3d-8ae6-4219-a03e-2b4631d50e91

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## Summary

The National Audit Office (NAO) has completed a procurement process for conducting an ISO 27001:2022 recertification audit, awarding the contract to BSI Assurance UK Limited. This contract falls under the Information Technology Services industry category and will be carried out in the United Kingdom. With the procurement stage classified as an award, the contract is set to commence on 20th April 2026 and will initially run until 19th April 2027, with options for two additional 12-month extensions, potentially concluding by 19th April 2029. The total estimated value of the contract is £35,000, inclusive of VAT. The procurement method was limited, involving a competitive quotation below the threshold.

This tender presents significant growth opportunities, particularly for businesses specialising in IT audit services, given the service nature of the contract. SMEs and organisations with voluntary, community and social enterprises (VCSEs) status are well-suited to compete for similar opportunities due to their ability to deliver efficient and specialised services. Engaging in this type of contract allows businesses to strengthen their portfolios by aligning with prominent public sector entities like the NAO, thereby increasing their market credibility and operational scope.

## Notice

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 PS35,000 inclusive of VAT.

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Contracts Finder |
| Latest notice | https://www.contractsfinder.service.gov.uk/Notice/41f84be9-a76d-403c-bbd4-7802369ea11d |
| Notice type | Award Notice |
| Procurement type | Standard |
| Procurement category | Services |
| Procurement method | Limited |
| Procurement method details | Competitive quotation (below threshold) |
| Tender suitability | SME, VCSE |
| Awardee scale | Large |
| All stages | Award |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 27 Nov 2025 |
| Submission deadline | 7 Nov 2025 |
| Future notice date | Not specified |
| Award date | 20 Nov 2025 |
| Contract period | 19 Apr 2026 - 19 Apr 2029 |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | £35,000 |
| Lots value | Not specified |
| Awards value | £35,000 |
| Contracts value | Not specified |

## Status

| Field | Value |
| --- | --- |
| Tender status | Complete |
| Lots status | Not specified |
| Awards status | Active |
| Contracts status | Not specified |

## Buyer

| Field | Value |
| --- | --- |
| Main buyer | NATIONAL AUDIT OFFICE |
| Locality | LONDON |
| Post town | South West London |
| Postcode | SW1W 9SP |
| Country | England |
| ITL 1 | TLI London |
| ITL 2 | TLI3 Inner London - West |
| ITL 3 | TLI35 Westminster and City of London |
| Local authority | Westminster |
| Electoral ward | Pimlico North |
| Westminster constituency | Cities of London and Westminster |
| Delivery location | Not specified |

## Supplier

| Field | Value |
| --- | --- |
| Number of suppliers | 1 |
| Supplier names | BSI ASSURANCE |

## CPV Codes

### Divisions

- 72 - IT services: consulting, software development, Internet and support

### Codes

- 72222300 - Information technology services

## Release History

- 27 Nov 2025 at 09:35 - Award - Award Notice - https://www.contractsfinder.service.gov.uk/Notice/41f84be9-a76d-403c-bbd4-7802369ea11d

## Documents

- https://www.contractsfinder.service.gov.uk/Notice/41f84be9-a76d-403c-bbd4-7802369ea11d
  27th November 2025 - Awarded contract notice on Contracts Finder

## Provenance

This Markdown file is an alternate public rendering of the D3 Tenders contract record. The canonical page is https://d3tenders.com/contract/?ocid=ocds-b5fd17-6fb8fd3d-8ae6-4219-a03e-2b4631d50e91. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-b5fd17-6fb8fd3d-8ae6-4219-a03e-2b4631d50e91.json.