IR35

Email

Email HMRC for help with IR35 enquiries.

HMRC will only email you with confidential information if you’ve given them your written agreement they can do so.

Phone

Call HMRC for help with IR35 enquiries.

Telephone:
0300 123 2326

Fax:
03000 533 124

Opening times:

8.30am to 4.30pm, Monday to Friday

Closed weekends and bank holidays

Find out about call charges

Post

Write to HMRC for help with IR35 enquiries.

HM Revenue and Customs
IR35 Customer Service Unit
S0733
NE98 1ZZ
Newcastle Upon Tyne
United Kingdom