2026 / 27 Tax Year
IR35 Take-Home Calculator
for Project Managers
Contract project managers and programme managers frequently encounter IR35 determinations from medium and large clients. The small company threshold changes from April 2025 may also affect your upcoming engagements. Use this calculator to model your take-home on any day rate.
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 project manager 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.