Each year, we report on the whistleblowing disclosures we have received. The Comptroller and Auditor General (C&AG) is a prescribed person listed in the Public Interest Disclosure (Prescribed Persons) Order 2014, to whom external persons can make disclosures.

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The C&AG received 115 whistleblowing disclosures between 1 April 2024 and 31 March 2025. We considered all cases carefully to inform our decision-making about those we should pursue and those where a different prescribed person would be better placed to make further enquiries.

Find out more about the NAO’s role in whistleblowing

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