HMRC Sees Jump in Potential Large Business Tax Noncompliance

The UK tax authority reported a significant increase in the potential additional tax liability identified from large businesses, according to the country’s public spending watchdog.

His Majesty’s Revenue and Customs’ “total tax under consideration” — representing potential additional tax liability from its active compliance interventions — increased from £42.8 billion ($57.8 billion) in October 2023 to £70.1 billion in October 2025, the National Audit Office said in a report Friday.

HMRC attributed much of the rise to enhanced skills among its compliance staff and a new process that gives better insight into areas for ...