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Register your client’s estate online if you’re a tax agent or adviser.
Find out which mortgage providers and lenders accept printed tax summaries.
Tax treaties and related documents between the UK and Spain.
Tax treaties and related documents between the UK and France.
Find out the actual and average official rates of interest on beneficial loan arrangements.
Before you sail to or from the UK, submit your voyage plan with details of your vessel, people and goods on board. Find out how to change or cancel your report.
Use this guidance to help you decide if Capital Gains Tax is due and how much you need to pay.
Use Self Assessment software to help populate your Self Assessment tax return.
Find out if you have to pay Income Tax when you get your pension.
Tax treaties and related documents between the UK and Italy.
How new long-term UK residence rules affect Inheritance Tax from 6 April 2025.
Use the SA303 form to apply to reduce your Self Assessment payments on account.
Find information on completing the employment section of your Self Assessment tax return.
Withhold tax on payments to foreign entertainers and sportspersons when they exceed their personal allowance and how to make payments to HMRC.
Find out how tax works on pensions, savings and additional income, before and after you retire.
Find information about paying National Insurance contributions for company directors in current and previous tax years.
If you've been sent a letter from HMRC, apply for a refund of Class 1 National Insurance contributions using form CA4361.
Check if the Let Property Campaign applies to you and find out how to make a disclosure to HMRC for unpaid tax.
Learn more about your responsibilities if you’re running a small business including registration, tax returns, record keeping, tax bills and payments.
How to make a negligible value claim for unquoted shares, and how to check if shares previously quoted on the London Stock Exchange now have negligible value.
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