§ Contractor calculator · £350/day
£350/day contractor
take-home calculator.
At £350/day (5 days × 46 weeks = annual gross £80,500), here's what each contracting structure actually pays in the 2026/27 tax year.
§ Quick answer
At £350/day, the most tax-efficient structure is permanent salary at £57,247 net annual — an effective tax rate of 28.89%.
- Outside IR35 (Ltd)
- £56,001/yr
- Inside IR35 (Umbrella)
- £50,781/yr
- Permanent salary
- £57,247/yr
Mid-level contractor rate. Project managers, mid-weight developers, business analysts.
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