Sign up or log in to use the Construction Industry Scheme (CIS) online service - you can use it to file your monthly returns as a CIS contractor.

What you need to know

Start now on the HM Revenue & Customs (HMRC) website

Before you start

If you’re an existing user, just log in from the page on the HMRC website.

If you’re new to HMRC Online Services:

  1. Use the ‘register’ link.

  2. On the next page, use the ‘sign up to HMRC Online services’ link.

Get started on the HM Revenue & Customs (HMRC) website

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