Tax problems & complaints
Tax can be a real headache, especially if you notice a mistake on your tax return or are asked to pay more than you think you should. Our guides can help you understand how to deal with HMRC and how to make a complaint if you receive poor service.
Answers to your problems
HMRC has demanded that I pay more tax, what can I do?
There are several reasons you could have underpaid your tax. If HMRC has demanded more tax, see what you should do to fix the problem.
I've missed the self-assessment tax deadline, can I avoid a fine?
If you've missed the deadline for submitting your tax return, there isn't much you can do to avoid a fine. See the exceptional circumstances HMRC may allow.
There's a mistake on my tax return, what can I do?
It can be easy to make a mistake on your tax return. HMRC can also make errors. If you believe your tax return to be inaccurate, use our guide to help you.
The National Cyber Security Centre have stated that HMRC is the most spoofed government brand. Don’t be fooled by scam tax emails, calls, texts or social media messages pretending to be from HMRC.