Contact HMRC

Use this page to find the right team, or to report a problem with this service.

Self Assessment

For help with your tax return, including cryptoassets:

• telephone: 0300 200 3300
• textphone: 0300 200 3319
• outside the UK: +44 135 535 9022

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Appeal a penalty

See penalties and interest before you contact us.

Post

HMRC, Self Assessment, HM Revenue and Customs, BX9 1AS, United Kingdom