HMRC guides and Budget explainers

10 HMRC guides
7 Budget explainers
2026/27 Tax year covered

Dealing with HMRC

Practical guides to investigations, penalties, payment plans, and how to communicate with HMRC.

HMRC investigation: what happens and how to prepare What triggers an HMRC investigation, what to expect during an enquiry, your rights, and how to prepare. Investigations HMRC compliance checks explained: what triggers them? HMRC compliance checks explained, including how the Connect data system works and how to respond. Compliance HMRC payment plans: how to set up a Time to Pay arrangement How to set up an HMRC Time to Pay arrangement for Self Assessment, VAT, or PAYE. Payment plans HMRC penalties UK: full guide to all fines and charges Complete guide to HMRC penalties for late filing, late payment, inaccuracy, and the new points-based system. Penalties How to appeal an HMRC penalty UK Step-by-step guide to appealing an HMRC penalty, from internal review to the First-tier Tribunal. Appeals HMRC debt: what happens if you can't pay your tax bill? What HMRC can do if you do not pay your tax bill, including enforcement options and how to stop them. Tax debt HMRC online account: how to set up your Personal Tax Account How to create and use your HMRC Personal Tax Account. What you can manage online and how to troubleshoot. Getting started HMRC telephone numbers: complete directory 2026 Every HMRC helpline number in one place. Self Assessment, VAT, PAYE, Corporation Tax, and more. Contact How long does HMRC take to process a tax return? Typical HMRC processing times for Self Assessment, repayments, and amendments. Processing times How to make a subject access request to HMRC Your right to access personal data held by HMRC. How to submit a SAR and what you will receive. Data rights