Glossary·Tax·Published:

Cis verification (UK)

CIS verification is the process of confirming whether a subcontractor is registered with HM Revenue and Customs (HMRC) under the Construction Industry Scheme (CIS) before making payments, ensuring correct tax deductions apply.

Tax obligation explained

CIS verification is a mandatory step for contractors in the UK construction industry to check a subcontractor's registration status with HMRC before making payments. This process determines the applicable tax deduction rate (gross payment, standard rate, or higher rate) and ensures compliance with CIS regulations. Verification can be done online or by phone, and contractors must retain records of the verification process for HMRC inspections.

Key legal requirements

  • Verify subcontractor status before first payment
  • Use HMRC's online verification service or phone system
  • Apply correct deduction rate based on verification result
  • Keep records of verification for at least 3 years
  • Report verified subcontractors to HMRC monthly

Why this matters

Failure to correctly verify a subcontractor can result in incorrect tax deductions, leading to financial losses for either the contractor or subcontractor. Non-compliance with CIS verification requirements may trigger HMRC penalties, including fines for inaccurate or late reporting, and could result in the contractor being held liable for unpaid tax deductions.

Next step with VetroCheck

Use the CIS Deductions agent if you want a structured review of the relevant documents and supporting record.

Related reading

Compliance note

This glossary content is provided for informational and educational purposes only. It does not constitute formal legal advice, does not create a solicitor-client relationship, and should be checked against current legislation, official guidance, and the facts of the specific case.

At a glance

Definition
CIS verification is the process of confirming whether a subcontractor is registered with HM Revenue and Customs (HMRC) under the Construction Industry Scheme (CIS) before making payments, ensuring correct tax deductions apply.
Term
Cis verification (UK)
Category
Tax
Published
Keywords
UK, Tax, tax

UK document glossary for informational purposes. Always check primary legislation and guidance on GOV.UK where decisions depend on your circumstances.