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.