2026 / 27 Tax Year
IR35 Take-Home Calculator
for Supply Teacher / Locum Teachers
Supply teachers and locum teachers working through agencies are typically employed via umbrella companies or PAYE. The April 2026 umbrella reforms changed how PAYE liability works across the supply chain. Use this calculator to understand your net take-home.
Outside IR35
Limited Company
£0
£0/day effective
Contract income£0
Corp tax-£0
Dividend tax-£0
Income tax-£0
Empl. NI-£0
Net take-home£0
Effective rate0%
Inside IR35
Umbrella Company
£0
£0/day effective
Contract income£0
Employer NI (15%)-£0
Income tax-£0
Employee NI-£0
Net take-home£0
Effective rate0%
A specialist supply teacher / locum teacher accountant typically saves far more than they cost. Compare contractor accountants and IR35 insurance.
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2026/27 rates. Personal allowance £12,570. Basic rate 20% to £50,270, higher rate 40% to £125,140. Employee NI 8%/2%. Employer NI 15% above £5,000. Corp tax 19%/25% with marginal relief. Dividend allowance £500, dividend rates 8.75%/33.75%/39.35%. Estimates only — not tax advice. Consult a qualified contractor accountant.