Self Assessment: online services

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Online forms


Webchat is unavailable at the moment because of technical problems.


  • Telephone: 0300 200 3600
  • Textphone: 0300 200 3603
  • Outside UK: +44 161 930 8445

Get help with:

  • problems logging on or registering for an online service
  • problems submitting forms
  • error messages in your online account or on HMRC forms
  • downloading and using HMRC free software and tools

Have your HMRC Unique Taxpayer Reference (UTR) number with you when you call.
Contact the Self Assessment helpline if you have a question about how to fill in a tax return.

Find out about call charges

Opening times:

8am to 8pm, Monday to Friday
8am to 4pm Saturday

Closed Sundays, Christmas Day, Boxing Day and New Year’s Day

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