Archive Website of the UK government

How to use this service

The link below will take you to the log in and registration page for Self Assessment Online. When you log out of the service you'll be returned to Directgov. HMRC's own terms and conditions will apply while you use Self Assessment online.

When logging in you will need your User ID and password.

• Register for or log in to Self Assessment Online

New to Self Assessment Online?

If you have not used Self Assessment online before, you'll need to register, enrol and 'activate' your account before you can complete your tax return online. You can find out how to do this, and about the many benefits of filing online, by following the link below.

• Understanding and using Self Assessment Online

Check the availability of HMRC's online services

Use the link below to check whether there are any planned outages or known issues affecting Self Assessment Online or other HMRC services.

• Check the availability of the Self Assessment Online service Opens new window

Helpdesk support

For technical help when using Self Assessment Online, call the HMRC Online Services Helpdesk.

• Contact the Online Services Helpdesk Opens new window