Self Assessment
Understanding Self Assessment and your tax return
Tools and videos to help you complete and file your Self Assessment tax return on time.
Your Self Assessment return
How to register for Self Assessment, deadlines and how to file your Self Assessment tax return online.
Making Tax Digital for Income Tax
Guidance to help you understand the new way of reporting income and expenses if you're a sole trader or landlord.
Your tax bill and Self Assessment
Methods for paying for Self Assessment tax bill, how to claim a refund, and help if you can’t pay your tax bill.
Record-keeping for Self Assessment
The business records you must keep for Self Assessment tax returns.
Self Assessment refunds, appeals and penalties
How to appeal against Self Assessment penalties and tax bills and guidance on tax tribunals.
Self Assessment forms and helpsheets
Forms and further help on Self Assessment.
Self Assessment if you're self-employed
Requirements for Self Assessment if you are self-employed.