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Report a person or business you think is not paying enough tax or is committing another type of fraud against HM Revenue and Customs (HMRC).
This guide is also available in Welsh (Cymraeg).
There’s a different way to report suspicious HMRC emails, text messages and phone calls, benefit fraud (excluding Child Benefit and Tax Credit fraud) or other types of fraud, such as identity theft.
Fill in the online form to tell HMRC what you know about the person or business.
You do not have to give your name or contact details unless you want to. Any information you give will be kept private and confidential.
Do not send supporting information. You can tell HMRC if you have any when you make your report. HMRC will only ask for more information if needed, as long as you’ve given your contact details.
For your own safety you should not try to find out more or let anyone know you’re making a report.
Contact the HMRC fraud hotline if you cannot use the online service.
Telephone: 0800 788 887
Outside UK: +44 203 080 0871
Monday to Friday, 9am to 5pm (except bank holidays)
Find out about call charges
You cannot currently make a report by post.
Don’t include personal or financial information like your National Insurance number or credit card details.
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