CIS Subcontractor Tax Guides
The Construction Industry Scheme affects how many subcontractors are paid and taxed. These guides explain CIS deductions, refunds, records and the mistakes that can leave subcontractors out of pocket.
Key guides
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Why Has My Contractor Deducted 30% CIS?
Expecting a 20% CIS deduction but lost 30%? Here's why the higher CIS rate happens, what it usually means, and how subcontractors can get back to the standard rate.
Read moreHow CIS Subcontractors Accidentally Overpay Thousands
Every year thousands of UK construction workers overpay tax under CIS. Find out why it happens, how much people are missing out on, and how to stop it happening to you.
Read moreCIS for Subcontractors: The Small Changes That Make Life Less Miserable
CIS doesn't have to be painful. From missed expenses to refund delays, here are the small changes that help subcontractors keep more of what they earn.
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CIS Supply Chain Red Flags: How to Stay Paid and Stay Out of Trouble
Construction Industry Scheme risks every subcontractor should understand. Learn the warning signs of problematic CIS supply chains and how to protect your income.
Read moreCIS Refunds: Why You're Owed Money (and Why It Takes So Long)
If you work under CIS, HMRC almost certainly owes you money. Find out why refunds happen, what expenses you're missing, and how to stop leaving thousands behind every year.
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Related tax topics
Sole Trader Tax Guides
What to file, what records to keep, what you can claim and which mistakes to avoid.
ExploreExpenses and Mileage Guides
What normally counts, what evidence to keep and where people commonly go wrong.
ExploreMaking Tax Digital Guides
Who is affected, what quarterly updates mean and how to prepare before the rules apply.
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