£CIS StatementsOpen the tool
Blog

CIS blog

Guides on CIS deduction rates, tax months, verification, statements, and gross payment status — written plainly, no jargon left unexplained.

Registering as a CIS Contractor: A First-Timer's GuideIf you're about to pay subcontractors for construction work for the first time, here's what registering as a CIS contractor involves and what to set up before your first payment.What Is Gross Payment Status and How Do You Get It?Gross payment status lets a subcontractor be paid with no CIS deduction. Here's what it means and the tests HMRC applies before granting it.CIS Payment & Deduction Statement Deadlines: The 14-Day RuleContractors must give subcontractors a Payment and Deduction Statement within 14 days of the end of each tax month. Here's how the deadline works.Materials vs Labour Under CIS: What You Can Actually Deduct AgainstCIS deductions apply to labour, not materials. Here's how to tell the two apart and why getting this split wrong overcharges your subcontractors.How to Verify a Subcontractor with HMRCYou must verify a subcontractor with HMRC before their first payment. Here's what verification involves and what it tells you about the deduction rate.CIS Tax Months Explained: Why It's the 6th, Not the 1stCIS runs on tax months from the 6th to the 5th, not calendar months. Here's why that matters and how to avoid grouping payments incorrectly.CIS Deduction Rates Explained: 0%, 20% and 30%What the three CIS deduction rates mean, who gets which one, and how verification status determines the rate you must apply.How to Fill in a CIS300 Monthly ReturnA plain walkthrough of what goes into a CIS300 monthly return, when it's due, and how to avoid the mistakes that trip up first-time contractors.