Self-employment and Income Tax: enquiries
Contact HMRC if you're self-employed and have an Income Tax enquiry or need to report changes to your personal details.
Online
Tell HMRC about a change to your personal details
Tell HMRC you have stopped being self-employed
If HMRC needs to contact you about anything confidential they’ll reply by phone or post.
You can also find out information in either your:
Phone
Call HMRC if you’re self-employed and have an Income Tax enquiry or need to report changes to your personal details.
Check if you can use our online services to get the help you need before you call.
Before you call
This helpline may ask you some security questions. Make sure your personal details and address are up to date in your personal tax account or you could fail telephone security. If you do not have a personal tax account, you can create one before you check your details.
Telephone: 0300 200 3300
Textphone: 0300 200 3319
Outside UK: +44 135 535 9022
Opening times: Monday to Friday, 8am to 6pm. Closed bank holidays.
Phone lines are less busy before 10am, Monday to Friday.
Post
Write to HMRC at the address shown on the most recent letter they have sent you with questions about Income Tax if you’re self-employed.
If you do not have a letter write to this address.
You do not need to include a street name, city name or PO box when writing to this address.
Couriers should use a different address.
Self Assessment
HM Revenue and Customs
BX9 1AS
United Kingdom
Related content
Guidance
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Working for yourself
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File your Self Assessment tax return online
- Estimate your Self Assessment tax bill