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.