Guidance

Guidelines for becoming a NISTA assurance reviewer

Guidance and forms for civil servants who want to become an independent assurance reviewer for the National Infrastructure and Service Transformation Authority.

• From: National Infrastructure and Service Transformation Authority, Cabinet Office and HM Treasury
• Published: 19 July 2011
• Last updated: 20 August 2026 — See all updates

Documents

Become an assurance reviewer for NISTA: guidance

PDF, 415 KB, 11 pages

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Details

The National Infrastructure and Service Transformation Authority (NISTA) arranges and manages independent assurance reviews for the government’s most complex and high risk projects.

Assurance reviews are essential for successful project delivery. For guidance on carrying out assurance reviews, refer to the NISTA assurance review toolkit - GOV.UK.

These reviews are carried out by a pool of independent accredited assurance reviewers from both the civil service and industry. Anyone from the civil service can apply to be a reviewer.

The guidance explains the:

• different reviewer roles available
• skills and experience you need to be a reviewer
• application process.

For queries on becoming an assurance reviewer, email gateway.helpdesk@nista.gov.uk

Published 19 July 2011

Last updated 20 August 2026 — Show all updates

1. 20 August 2026

   An updated version of the guidance has been added to this page.

2. 18 July 2023

   Removed the out of date form ahead of updating with a newer version: Infrastructure and Projects Authority: assurance reviewer skills form

3. 25 July 2019

   IPA Reviewer Skills form updated

4. 19 July 2011

   First published.