Tools and videos to help you complete and file your Self Assessment tax return on time.
Methods for paying for Self Assessment tax bill, how to claim a refund, and help if you can’t pay your tax bill.
Help and support from HM Revenue and Customs (HMRC) on self-employment.
Understand what is required when becoming self-employed and your tax obligations as a sole trader.
Requirements for Self Assessment if you are self-employed.
Forms and further help on Self Assessment.
How to register for Self Assessment, deadlines and how to file your Self Assessment tax return online.