UK IR35 & Off-Payroll Working Impact Calculator

Models inside IR35 fee-payer deductions (Employer NICs 15% above threshold, Apprenticeship levy 0.5%, Employee NICs 8%, Income Tax) vs Outside IR35 (19-25% Corp Tax + Dividend tax rates).

This calculator is designed for educational and informational purposes only based on public statutory frameworks. The outputs do not constitute binding financial, tax, or legal advice. We assume no liability for decisions made based on these estimations. Always verify with the relevant official authorities or a certified professional advisor.