
Expert CIS Accountants for the Construction Industry
Get expert assistance with CIS (Construction Industry Scheme) compliance for contractors and subcontractors. Learn how CIS works, deductions, and tax support at Frank’s Accountants.
At Franks Accountants, we pride ourselves on being more than just accountants.
We are dedicated tax advisors with extensive experience in the construction industry.
Our team understands the unique financial challenges faced by contractors and subcontractors and is committed to helping you manage your finances effectively.
Construction Industry Scheme (CIS)
If you’ve been working in the construction industry for a while, you’re probably familiar with the Construction Industry Scheme (CIS). It’s an essential part of UK tax law designed specifically for contractors and subcontractors, ensuring that the correct amount of tax and National Insurance is paid to HM Revenue & Customs (HMRC).
CIS requires contractors to deduct money from subcontractors’ payments before they are made. These deductions are passed directly to HMRC and contribute towards the subcontractor’s tax and National Insurance obligations. Understanding how to navigate the complexities of CIS can be daunting, but with expert help from Frank’s Accountants, you can ensure full compliance while optimising your business’s tax position.
Understanding the rules of the CIS Scheme
The Construction Industry Scheme (CIS) is a set of rules introduced by HMRC for the construction sector, requiring contractors to deduct money from subcontractors to cover their tax and National Insurance contributions. The scheme is designed to reduce tax evasion in the construction industry by ensuring that subcontractors’ tax is paid upfront.
Whether you’re a contractor or a subcontractor, CIS can affect how you manage payments, tax deductions, and your overall cash flow. Our experienced accountants at Frank’s Accountants are here to help you manage CIS correctly and stay compliant with HMRC regulations.

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Who Does CIS Apply To?
CIS applies to:
- Contractors: Businesses or individuals paying subcontractors for construction work.
- Subcontractors: Those carrying out construction work for a contractor.
Even if your main business is not in construction, you may still need to register for CIS if you regularly hire subcontractors for construction work.
CIS Deductions Explained
Under CIS, contractors are required to make deductions from subcontractors’ payments. These deductions, typically 20% or 30%, are sent to HMRC. The amount deducted depends on whether the subcontractor is registered under CIS.
- Registered Subcontractors: Have 20% deducted from their payments.
- Unregistered Subcontractors: Have 30% deducted until they register with HMRC.
These deductions are later credited towards the subcontractor’s annual tax bill.
Why Choose Frank’s Accountants for CIS Support?
At Frank’s Accountants, we offer tailored CIS services for both contractors and subcontractors. Our team understands the complexities of CIS and can help you with:
Our goal is to ensure that you remain compliant while maximising your financial efficiency.
Whether you’re a contractor or subcontractor, managing your CIS responsibilities can be time-consuming and complex.
Frank’s Accountants offers comprehensive CIS services that help you stay compliant and manage your tax obligations with ease.
Contact us today to discuss how we can support you with CIS compliance.
Frequently Asked Questions about the Construction Industry Scheme
Contractors should keep records of payments made, deductions applied, and CIS returns filed. Subcontractors should keep records of deductions received for their tax return.
Contractors must verify the subcontractor’s CIS status with HMRC before making payments. This can be done online or over the phone.
You can register online through the HMRC website or let Frank’s Accountants handle the registration process for you.
No, CIS deductions should only apply to the cost of labour, not materials or plant hire.
Yes, contractors must file monthly CIS returns to HMRC, detailing the payments made to subcontractors and the deductions taken.
If you’re a subcontractor and don’t register for CIS, your contractor will deduct 30% from your payments instead of 20%. You may also face penalties from HMRC.
Yes, if you have overpaid tax through CIS deductions, you can claim a refund when you submit your annual tax return.
Registered subcontractors have 20% deducted from their payments, while unregistered subcontractors have 30% deducted.
Both contractors and subcontractors working in the construction industry need to register for CIS. Contractors are responsible for deducting tax from subcontractors’ payments.
CIS is a set of rules that require contractors to deduct money from subcontractors’ payments for tax and National Insurance, which is then passed to HMRC.

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