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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:
If you’re in danger or it’s an emergency, dial 999 and ask for the police.
Fill in the online form to tell HMRC what you know about the person or business.
It helps if you share your name, location and contact details. HMRC can then contact you if they need more information.
You do not have to give your personal details. Any information you do 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. If you’ve given your contact details, they’ll ask for more information if they need it.
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
Do not send reports any other way, for example by post or webchat.
Don’t include personal or financial information like your National Insurance number or credit card details.
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