Construction Industry Scheme

On this page: check our website, telephone

Check our website

Information about using CIS Online
How the CIS Online service can save you time and effort when verifying subcontractors and sending in your monthly returns
CIS Online login page
Register to start using CIS Online or use the service now to verify contractors or file monthly returns if already registered

Telephone

Construction Industry Scheme (CIS) Helpline

Help and advice for subcontractors and contractors within the Construction Industry Scheme. You can also order CIS forms and leaflets from the helpline.
Opening hours
8.00 am to 8.00 pm, seven days a week
Closed Christmas Day, Boxing Day and New Year’s Day
0845 366 7899
If you're calling from abroad please telephone:
+44 161 930 8706
When you get in touch, please tell us your National Insurance number and your Unique Taxpayer Reference.