IR35

Beta This part of GOV.UK is being rebuilt – find out what this means

Email

• Email HMRC for help with IR35 enquiries.

  ir35@hmrc.gov.uk

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

Phone

• Telephone: 0300 123 2326
• Fax: 03000 533 404

Call HMRC for help with IR35 enquiries.

Find out about call charges

Opening times:

8.30am to 5pm, Monday to Thursday
8.30am to 4.30pm Friday

Closed weekends and bank holidays

Post

Write to HMRC for help with IR35 enquiries.

HM Revenue and Customs - IR35 Customer Service Unit

Ground Floor North

Princess House

Cliftonville Road, Northampton

NN1 5AE

United Kingdom