Self-employed: Income Tax
If HMRC needs to contact you about anything confidential they’ll reply by phone or post.
Phone HMRC if you’re self-employed and have an Income Tax enquiry or need to report changes to your personal details.
0300 200 3300
0300 200 3319
+44 135 535 9022
8am to 8pm, Monday to Friday
8am to 4pm Saturday
9am to 5pm Sunday
Closed bank holidays, Easter Sunday, Christmas Day, Boxing Day and New Year’s Day.
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