How much does a mistake in tax reporting really cost?

Mistakes in tax reporting cost more than they seem. Under the rules of HM Revenue & Customs, even a single missed Self Assessment deadline results in a £100 penalty, followed by daily charges and additional sanctions that can easily exceed £1,600. For VAT, penalties also accumulate through the penalty points system.

In most cases, the issue isn’t complex violations, but a lack of control: missed deadlines, inaccurate data, or unsystematic accounting. These small mistakes are what most often lead to financial losses and the risk of audits.

We help you avoid these situations: we track deadlines, ensure full compliance with HMRC requirements, and build a clear, structured accounting system. The result — no penalties, full confidence in your reporting, and peace of mind for your business.