Jul 24
HMRC says artificial intelligence and advanced analytics supported the protection and recovery of £10 billion in tax during 2025 to 2026. Total compliance yield reached £50.211 billion, narrowly below the £50.4 billion target but above £50 billion for the first time. The practical message is that accurate, consistent and well-supported figures matter because HMRC uses data to identify returns that may contain inaccuracies. Our guide to how a tax accountant supports small businesses covers the groundwork.
HMRC’s five-year Transformation Roadmap was published in July 2025, with its first progress update issued on 2 July 2026. HMRC reported that 78% of customer interactions were digital in 2025 to 2026 and retained its target of at least 90% by 2030. More than 2,100 additional compliance officers have been recruited towards the target of 5,500 by 2029 to 2030.
Investment also allows HMRC to retain around 1,200 debt management employees and recruit another 1,200. HMRC appointed its first Chief AI Officer in April 2026. Read the progress update on GOV.UK.
| Measure | Current figure |
|---|---|
| Tax protected and recovered using AI and analytics, 2025 to 2026 | £10 billion |
| Total compliance yield, 2025 to 2026 | £50.211 billion |
| Provisional tax gap, 2024 to 2025 | 6.4%, or £59.2 billion |
| Additional annual revenue expected by 2029 to 2030 | £10 billion |
HMRC says AI and analytics help highlight tax returns that may contain inaccuracies, although caseworkers remain responsible for decisions. A mismatch does not prove an error, but it can lead to a nudge letter or formal compliance check.
| Information source | What HMRC may receive or obtain |
|---|---|
| Banks and building societies | Annual interest information; fuller records under statutory powers |
| Digital platforms | Seller and transaction information under reporting rules |
| International exchange agreements | Data on offshore financial accounts |
| Making Tax Digital | Quarterly income and expense summaries from taxpayers within scope |
| Other records | Information that can be compared with returns and declarations |
From 6 April 2026, Making Tax Digital for Income Tax became mandatory for eligible sole traders and landlords whose qualifying income exceeded £50,000. It creates more regular reporting, but not every sole trader or landlord is currently within the regime.
Regular management accounts can identify unusual movements before filing.
Construction businesses using subcontractors should maintain clear CIS, labour-supply and employment-status records alongside monitoring contractor margins. Anyone with overseas income should review reporting foreign dividends and interest and income across multiple countries.
Our cross-border accounting and tax team can coordinate the UK and overseas position. The annual report provides the latest figures.
How does HMRC decide whom to investigate?
HMRC uses risk assessment, third-party information and analytical tools to identify possible inaccuracies. A compliance officer considers the evidence.
Can HMRC see my bank account?
HMRC routinely receives information such as reportable bank interest. It can require more detailed records where the legal conditions are met.
How far back can HMRC go?
The general assessment limit is four years. It can extend to six years for carelessness, 12 years for certain offshore matters and 20 years for deliberate behaviour or some failures to notify.
Does using an accountant remove the risk of an enquiry?
No, but accurate filings, reconciled records and clear evidence can reduce errors and make enquiries easier to manage.
Our forensic accounting and investigations team supports HMRC enquiries. Our SME business solutions team can strengthen records, while our recovery and restructuring specialists can help where tax debt creates financial pressure. Speak to SCC Chartered Accountants for a straightforward review.
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