Construction Industry Scheme: general enquiries

Online

Sign in to the Construction Industry Scheme (CIS) online service

Ask HMRC online

Ask HMRC’s digital assistant to get a quick answer to your query about the Construction Industry Scheme.

If the digital assistant cannot help you, you can ask to transfer to an HMRC adviser if they’re available.

You can find out information in your business tax account using HMRC online services.

Phone

Call HMRC if you have a general query about the Construction Industry Scheme.

You cannot register for the Construction Industry Scheme as a subcontractor over the phone.

Find out how to register as a subcontractor online or by post.

Before you call

This helpline may ask you some security questions. Make sure your personal details and address are up to date in your personal tax account or you could fail telephone security. If you do not have a personal tax account, you can create one before you check your details.

Telephone:
0300 200 3210

Outside UK:
+44 161 930 8706

Opening times:

Our phone line opening hours are:

Monday to Friday: 8am to 6pm

Closed weekends and bank holidays.

Find out about call charges

Post

Write to HMRC for general enquiries about the Construction Industry Scheme, or to appeal against a Construction Industry Scheme penalty.

You do not need to include a street name, city name or PO box when writing to this address.

Couriers should use a different address.

PT Operations
HM Revenue and Customs
BX9 1BX
United Kingdom