Late Filing & Non-Compliance Archives

Chartered Certified Accountants
Tax Investigation and Disclosure Specialists

Late Filing & Non-Compliance

UK taxpayer reviewing HMRC Self Assessment registration obligations and late filing risks

I Didn’t Know I Had to Register for Self Assessment — What Now?

Sean Davern 15 Jun 2026

Many taxpayers are unaware that they may need to register for Self Assessment with HMRC.

This situation commonly arises where individuals begin freelance work, receive untaxed income, become company directors, or start earning additional income outside PAYE employment.

UK taxpayer reviewing overdue tax returns and increasing HMRC penalties and interest

Late Tax Returns: Why Waiting Makes the Problem Financially Worse

Sean Davern 4 Jun 2026

Falling behind on tax returns is more common than many people realise.
What often begins as a temporary delay can gradually develop into a much larger financial issue.

UK HMRC compliance and tax investigation concept for unfiled tax returns and prosecution risk

Late Tax Returns UK: Will HMRC Prosecute You for Not Filing?

Sean Davern 6 May 2026

HMRC does not treat prosecution as the default response to unfiled tax returns in the UK. Acting early and taking a structured approach is almost always the safer and more cost-effective option.