Self Assessment: online services

Online

Get help with problems signing in

Find out what to do if you’ve lost your:

  • user ID
  • password
  • activation code

You can complete Self Assessment as an individual online using GOV.UK Verify if you do not want to wait for replacement details to be sent to you.
It will take about 10 minutes to verify your identity.

Phone

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.

Telephone:
0300 200 3600

Textphone:
0300 200 3603

Outside UK:
+44 161 930 8445

Opening times:

Monday to Friday: 8am to 8pm
Saturday: 8am to 4pm
Sunday: 9am to 5pm

Closed bank holidays, Easter Sunday, Christmas Day, Boxing Day and New Year’s Day.

Find out about call charges