Issues
HMRC have decided to cancel your gross payment status, raised a Regulation 13 determination or CIS300 penalties, or say under the April 2026 rules that you knew or should have known about someone else's failure. Which of three appellants you are, and the 30-day clock already running.
Issues
HMRC has refused or withdrawn your EIS or SEIS relief. The income tax relief is clawed back, a deferred gain springs back to life, and the promoter has gone quiet. Why advance assurance is not binding, the wrong-form trap, the conditions HMRC fights, and what to do in your 30 days.
Issues
HMRC is challenging your Business Asset Disposal Relief claim. The cash is spent and the CGT bill has just jumped from 10% to 24%. Here is how BADR appeals work, the six battlegrounds where HMRC pushes, and what to do in the 30 days you have.
Issues
HMRC has refused or clawed back your R&D tax relief and the consultancy has gone quiet. How the Schedule 18 FA 1998 appeal route works, and what reasonable care looks like when you relied on outside advice.
Issues
How to appeal an HMRC IR35 or off-payroll working decision—which regime applies, who has appeal rights, the Ready Mixed Concrete test after PGMOL, and the mechanics of getting to the tribunal.
Issues
Stamp duty land tax has its own compliance and appeal regime—separate from income tax. This guide covers the most common SDLT disputes, how to correct returns, challenge HMRC decisions, and appeal penalties.
Issues
VAT penalties work differently from income tax—including a pay-first rule that can block your appeal. This guide covers default surcharges, the new penalty regime, best judgment assessments, the Steptoe defence, and how to apply for hardship.
Issues
HMRC's new penalty system: points for late filing, percentage charges for late payment. It covers VAT, Making Tax Digital for Income Tax and, as announced, every personal Self Assessment return from April 2027. How it works and how to challenge it.
Issues
SA penalties can reach £1,600 even if you owe no tax. Here's how they stack up, how to check HMRC's calculation, and your options for challenging them.
Issues
HMRC says you owe thousands for a tax charge you've never heard of. Here's what HICBC is, how it's calculated, and what you can do about it.
Issues
HMRC has issued you a penalty. Here's how to identify which type it is, how the amount was calculated, and whether you have grounds to challenge it.
Issues
HMRC has penalised you for a late return or payment. You had a good reason. But is it good enough? Here's what actually counts as a reasonable excuse.