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HMRC CIS login

An HMRC CIS login is what you need to login to your Construction Industry Scheme (CIS) account. 

If you work in the construction industry in the UK as a subcontractor, the CIS enables you to deduct only 20% tax (rather than 30%) per month from your earnings. You’ll be paid by a contractor who will deduct this for you. HMRC introduced it to keep a more stringent track of the untaxed finances of those working in the construction industry.

Often, the 20% in tax works out to be more than you need to pay so you may be entitled to a refund at the start of the new tax year. Use our CIS calculator to work out how much you might be able to claim back.

How do I join?

You can register as a sole trader (or other types of businesses) by going direct to HMRC online. You’ll need your:

  • National Insurance Number
  • VAT number (if your business is VAT registered)
  • Unique Taxpayer Reference (UTR) number 
  • Legal business name

Where do I find the HMRC CIS login?

This is easy. Just head over to HMRC online to sign in. 

Sign in to your CIS account.

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