We use some essential cookies to make this website work.
We’d like to set additional cookies to understand how you use GOV.UK, remember your settings and improve government services.
We also use cookies set by other sites to help us deliver content from their services.
You have accepted additional cookies. You can change your cookie settings at any time.
You have rejected additional cookies. You can change your cookie settings at any time.
Departments, agencies and public bodies
News stories, speeches, letters and notices
Detailed guidance, regulations and rules
Reports, analysis and official statistics
Consultations and strategy
Data, Freedom of Information releases and corporate reports
Find out how to register to send your Stamp Duty Land Tax (SDLT) return to HMRC if you're an agent, solicitor or organisation.
Use the online service if you're a sole trader or landlord to sign up voluntarily for Making Tax Digital for Income Tax and find out what to do next.
Use this service to apply to become a registered building inspector in England and Wales with the Building Safety Regulator (BSR).
Register for Annual Tax on Enveloped Dwellings (ATED) service to submit your returns online.
Use this form if you're an agent and you're unable to file a Self Assessment tax return online for your client.
Complete Self-Assessment form F3 or F3(S) for proposed, new and upgraded CHP Schemes
What we check and how you apply for approval.
Find out if you can report and give updates about your income from self-employment and property using Making Tax Digital for Income Tax.
When you may need to make a change to your Self Assessment tax return for SEISS payments, and how to do it.
Self Assessment tax return forms for the current tax year
How to get help with changes to Self Assessment for sole traders and partners whose accounting year does not end on or between 31 March to 5 April.
How to report your income and claim tax reliefs and any repayment due to you using the SA100 tax return.
Helpsheets for your Self Assessment tax return.
Use the online forms or call HMRC for help with filing your Self Assessment tax return online, or if you have lost your Government Gateway user ID and password
How Income Tax and National Insurance contributions rules work if you’re a share fisher.
Tell HMRC if you've stopped being self-employed, or you're ending or leaving a business partnership - responsibilities, tax returns, letting any employees know.
Use form SA800 to file a Partnership Tax Return.
Register your trust online if you’re a trustee.
This self-assessment checklist helps academy trusts check they are managing resources effectively and identify any adjustments they need to make.
Don’t include personal or financial information like your National Insurance number or credit card details.
To help us improve GOV.UK, we’d like to know more about your visit today. Please fill in this survey (opens in a new tab).