Self-employed: Income Tax

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Online forms

• Tell HMRC about a change to your personal details
• Tell HMRC you've stopped being self-employed

If HMRC needs to contact you about anything confidential they’ll reply by phone or post.

Phone

• Telephone: 0300 200 3300
• Textphone: 0300 200 3319
• Outside UK: +44 135 535 9022

Phone HMRC if you’re self-employed and have an Income Tax enquiry or need to report changes to your personal details.

Find out about call charges

Opening times:

8am to 8pm, Monday to Friday
8am to 4pm Saturday

Post

You can write to HMRC with enquiries about Income Tax if you’re self-employed.

Use the address on the most recent letter from them. If you don’t have an address for HMRC write to:

HM Revenue and Customs - Self Assessment

PO Box 4000

Cardiff

CF14 8HR

United Kingdom