Your Self Assessment return
Please note: Self Assessment guidance from HM Revenue & Customs can be found on the GOV.UK website. We provide links to the key information below.
Check if you need to send a Self Assessment tax return
Who needs to complete and file a Self Assessment tax return for self-employed, employed, company directors, retired people and others
File your Self Assessment tax return online
Log in and send your Self Assessment tax return online or get help with lost user IDs, password or account activation codes
Self Assessment tax returns
Self Assessment tax returns - deadlines, who must send one, penalties, corrections and paying your tax bill
Register for Self Assessment
Register for Self Assessment - how and when to register and get a Unique Tax payer Reference (UTR) number
Tax compliance checks
What happens if HMRC opens a check into your Self Assessment tax return and what the results can be
Self Assessment deadlines
Self Assessment tax return deadlines - deadlines for your tax return and paying your tax
Self Assessment forms and helpsheets
Self Assessment tax return forms and helpsheets for the current tax year and three previous tax years
Self Assessment commercial software suppliers
Get software to fill in your Self Assessment tax return, choose from a list of providers
Get help with tax
You can get help if you don't understand something about your tax
