Free tools
Calculators & tools for UK contractors
Free utilities for running a contracting business. No sign-up, no email gate, no fluff.
Calculator
CIS Deduction Calculator
Work out subcontractor deductions instantly — registered (20%), unregistered (30%), or gross payment status. Materials handled correctly.
Open the calculatorCalculator
Field Service Savings Calculator
Estimate your annual savings, payback period, and productivity gain from moving your team onto a modern field service platform. Three views, live results.
See your ROICalculator
VAT Reverse Charge Calculator
Work out whether the UK construction domestic reverse charge applies, what to put on the invoice, and which VAT return boxes the supplier and customer use.
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