HMRC self assessment

Rising VAT Investigations and What They Mean HMRC’s probes into unpaid VAT involving large and medium-sized companies jumped by 31 percent last year, reaching nearly 12,000 cases. This increase is part of a broader rise in VAT investigations overall, which climbed from about 103,790 to 110,300 in the same period. The government has made closing the tax gap a priority, focusing on ensuring businesses pay the correct amount of VAT.

Learn how Self Assessment tax returns work in the UK, including who needs to file, deadlines, penalties, and HMRC requirements.