CIS Calculator
Work out how much CIS tax a contractor should deduct from your payment. Enter your invoice amount, materials and CIS rate to see the deduction and the amount you should actually receive.
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How this CIS calculator helps
CIS applies to labour, not materials. Enter the invoice amount, remove materials, pick the CIS rate, and see the deduction and what you actually pay the subcontractor.
Your CIS details
Total invoice or valuation before CIS.
Need SBX to file CIS300 for you? Contact SBX.
Your results
Figures are estimates. HMRC verification confirms the exact deduction.
Need monthly CIS submitted?
SBX prepares CIS300, verifies subcontractors, and keeps HMRC off your back.
Talk to chartered accountants in London & Slough.
SBX helps you stay compliant & keep more of what you earn with expert tax, accounts, and bookkeeping services.
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