CIS Tax Guides
Free guides to help you understand CIS tax, claim your refund, and keep more of what you earn.
How to Claim Your CIS Tax Refund in 2025/26: A Step-by-Step Guide
Find out how to claim your CIS tax refund from HMRC. Average refund: £2,000-£3,000. Free step-by-step guide for construction subcontractors. Use our calculator →
August 2025CIS Expenses You Can Claim: The Complete Guide for Subcontractors
Full list of expenses CIS subcontractors can claim on their tax return. Tools, travel, clothing, phone costs and more. Reduce your tax bill and increase your refund.
September 2025Making Tax Digital for CIS Subcontractors: What Changes in April 2026
MTD for Income Tax starts April 2026 for CIS subcontractors earning over £50,000. What changes, what you need to do, and how to prepare.
October 2025How Much CIS Tax Refund Will I Get? Worked Examples by Trade
Find out how much CIS tax refund you could get back from HMRC. See real worked examples for plumbers, electricians, labourers and more. Free calculator inside.
November 2025CIS Tax Return Deadlines 2025/26: Every Date You Need to Know
All CIS tax return deadlines for 2025/26 in one place. Filing dates, payment dates, penalty amounts, and what changes under MTD from April 2026.
October 2025What Happens If You Don't File Your CIS Tax Return?
Not filed your CIS tax return? HMRC charges £100 on day one, then daily fines, interest, and potential investigation. Find out how to fix it now.
November 2025How Long Does a CIS Tax Refund Take?
CIS tax refund processing times: 2-6 weeks for online returns, up to 12 weeks for paper. What causes delays and how to speed up your refund.
January 2026Best MTD Software for Construction Workers in 2026
Compare the best Making Tax Digital software for CIS subcontractors. Prices, features, and which is right for construction workers. Updated Feb 2026.
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