Self-employed: Income Tax
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.
Phone
Call HMRC if you’re self-employed and have an Income Tax enquiry or need to report changes to your personal details.
Telephone:
0300 200 3300
Textphone:
0300 200 3319
Outside UK:
+44 135 535 9022
Opening times:
Monday to Friday: 8am to 6pm
Closed on Saturdays, Sundays and bank holidays.
You can also find out information in:
- the official HMRC app
- your personal tax account or business tax account using HMRC online services
Best time to call:
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.
HM Revenue and Customs - Self Assessment
PO Box 4000
Cardiff
CF14 8HR
United Kingdom