How to register your company for CIS

To register for CIS as a sub-contractor call the HMRC CIS Helpline on 0300 200 3210 and follow the prompts.

Useful when registering

  • Your legal business name (you can also give one trading name if you use one)
  • The Unique Taxpayer Reference number (UTR) for your business
  • Your National Insurance Number

Request a call back or ask for help using our contact form.