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.
Who needs to complete a Self Assessment tax return
Check if you need to send a Self Assessment tax return
Use this tool to find out if you need to send a tax return.
Check if you need to tell HMRC about your income from online platforms
Check if you need to declare income from selling personal possessions, goods or services online, creating online content or renting out property using digital platforms.
Register for Self Assessment
Check how to register for Self Assessment
How to register for Self Assessment if you need to send a tax return or want to make voluntary Class 2 National Insurance payments.
File your tax return
File your Self Assessment tax return online
Sign in and send your Self Assessment tax return online.
Self Assessment tax returns
Self Assessment tax returns - deadlines, who must send a tax return, penalties, corrections and returns for someone who has died.
Self Assessment deadlines
Self Assessment tax return deadlines - deadlines for your tax return and paying your tax.
Use software to help complete your Self Assessment tax return
Use Self Assessment software to help populate your Self Assessment tax return.
Self Assessment commercial software suppliers
Get software to fill in your Self Assessment tax return, choose from a list of providers.
Tax compliance checks
Tax compliance checks - what HMRC can check, how the checks are conducted and what you'll need to do.
Help with Self-assessment
Help online with Self Assessment
Get help with Self Assessment by using online tools and helpsheets, watching YouTube videos or asking the digital assistant or community forums a question.
Self Assessment forms and helpsheets
Self Assessment tax return forms for the current tax year.
Help with charitable giving on your Self Assessment tax return
Find information on completing the charitable giving section of your Self Assessment tax return.
Help with property on your Self Assessment tax return
Find information on completing the UK property and other property sections of your Self Assessment tax return.
Help with Capital Gains on your Self Assessment tax return
Find information on completing the Capital Gains section of your Self Assessment tax return.
Get help with tax
You can get help if you don't understand something about your tax.
Check when you can expect a reply from HMRC
Find out when you can expect to receive a reply from HMRC to a query or request you've made.
