Tax
Understanding CIS: A Simple Guide for Subcontractors
TradePages Team05 June 2026
Understanding CIS
The Construction Industry Scheme (CIS) is a tax deduction scheme that covers most construction work in the UK.
Who Does It Apply To?
Contractors and subcontractors working in the construction industry.
What Are the Deduction Rates?
- 20% for registered subcontractors
- 30% for unregistered subcontractors
- 0% for subcontractors with gross payment status
How to Register
You can register for CIS through HMRC online.
Key Things to Remember
- Always verify your subcontractors
- Submit monthly returns on time
- Keep accurate records