Latest work

Use of data analytics to make fraud and error savings

Summer 2025

Work in progress

Fraud and error

The administrative cost of the tax system

Published on:

Report Value for money

Money and tax

Estimating and reporting fraud and error in annual reports and accounts

Published on:

Insight Good practice guides

Fraud and error

Graphic illustration of colleagues next to a screen, calculator, chart, coins and a red Budget case

Administration of Welsh income tax 2023-24

Published on:

Report Value for money

Money and tax

Administration of Scottish income tax 2023-24

Published on:

Report Value for money

Money and tax

Collecting the right tax from wealthy individuals

Spring 2025

Work in progress

Money and tax

How the NAO provides assurance on good governance and propriety 2023-24

Published on:

Overview Topic overview

Fraud and error

HM Revenue & Customs 2023-24

Published on:

Overview Departmental overview

Money and tax

Whole of Government Accounts 2022-23

Published on:

Report Financial audit

Money and tax

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