We are the UK’s independent public spending watchdog We support Parliament in holding the government to account and we help improve public services through our high-quality audits. Read more about us Search Search on NAO Search Advanced search Our latest work HM Revenue and Customs Accounts 2023-24 Published on: 30 Jul 2024 Report Financial audit Money and tax Making public money work harder Published on: 29 Jul 2024 Insight Lessons learned NHS financial management and sustainability 2024 Published on: 23 Jul 2024 Report Value for money NHS HS2: update following cancellation of Phase 2 Published on: 23 Jul 2024 Report Value for money Transport The National Space Strategy and the role of the UK Space Agency Published on: 23 Jul 2024 Report Value for money Science and innovation The Farming and Countryside Programme Published on: 23 Jul 2024 Report Value for money Food and farming Improving educational outcomes for disadvantaged children Published on: 23 Jul 2024 Report Value for money Education, training and skills Carbon Capture, Usage and Storage programme Published on: 23 Jul 2024 Report Value for money Energy and environment The condition and maintenance of local roads in England Published on: 23 Jul 2024 Report Value for money Driving and road transport Search all our work Featured NAO Annual Report and Accounts 2023-24 Published on: 23 Jul 2024 Corporate information NAO Diversity and Inclusion Annual Report 2023-24 Published on: 23 Jul 2024 Corporate information Improving productivity could release tens of billions for government priorities Published on: 16 Jan 2024 Insight Opinion Efficiency and savings Future work Tackling tax evasion in the retail sector and online services Autumn 2024 Work in progress Fraud and error Dangerous cladding: government’s remediation portfolio Autumn 2024 Work in progress Housing Military support to Ukraine Autumn 2024 Work in progress Defence and national security Search all our work in progress Subscribe for updates Stay up to date with the latest reports and insights from the National Audit Office. Sign up