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Sign in and send your Self Assessment tax return online.
Self Assessment tax returns - deadlines, who must send a tax return, penalties, corrections and returns for someone who has died.
Self Assessment is a system HM Revenue and Customs (HMRC) uses to collect…
You must send a tax return if, in the last tax year (6 April to 5 April),…
You must register for Self Assessment if you have to send a tax return and…
You must tell HMRC if you believe you no longer need to send a tax return.…
HM Revenue and Customs (HMRC) must receive your tax return and any money…
You’ll get a penalty if you need to send a tax return and you miss the…
You can make a change to a tax return after you filed it, for example…
If you need help with Self Assessment, you can: appoint someone to fill in…
If you’re the ‘personal representative’ (an executor or administrator) for…
Self Assessment tax return forms for the current tax year
Use this tool to find out if you need to send a tax return for the 2022 to 2023 tax year (6 April 2022 to 5 April 2023).
Use this tool to find out what you need to do to get a tax refund (rebate) if you’ve paid too much Income Tax.
When and how to submit a return and how to make an amendment after it’s been submitted.
How to report your income and claim tax reliefs and any repayment due to you using the SA100 tax return.
Log in to your HM Revenue and Customs (HMRC) online account and file your General Betting Duty, Pool Betting Duty or Remote Gaming Duty returns
Use this service to submit a return for Digital Services Tax, if you're registered for the tax.
How to register for Self Assessment if you need to send a tax return or want to make voluntary Class 2 National Insurance payments.
How to line up your reporting dates for accounts and Company Tax Returns at the end of your limited company's first year
Use form SA900 to file a Trust and Estate Tax Return.
Use the postal form (SA700) to file a tax return for a non-resident company.
How to prepare a Company Tax Return for your limited company or unincorporated association - deadlines, corrections and penalties
Find out about negative earnings, clawback bonuses and claiming tax loss relief or a tax refund.
Self Assessment customers have less than one month to file their tax returns
How to claim a refund on tax and personal allowances on UK income if you're not resident in the UK on form R43.
How to claim a refund in the current tax year if you are not getting taxable benefits or a pension from your employer and you've not started a new job (P50).
Use form SA800 to file a Partnership Tax Return.
Find out about making a Company Tax Return, what you need to include and who needs to submit a return.
Don’t include personal or financial information like your National Insurance number or credit card details.
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