£350 a day take-home pay
A £350/day contract is worth about £77,000 a year over 220 billable days. Here is roughly what you keep under each IR35 status for 2025/26 — and you can fine-tune every assumption below.
| Day rate | £350 |
| Billable days assumed | 220 |
| Gross annual contract value | £77,000 |
| Take-home — inside IR35 (umbrella) | £49,023 |
| Take-home — outside IR35 (limited) | £55,344 |
| Difference | £6,320 |
At £350/day, Outside IR35 (limited company) leaves you £6,320/year better off.
Adjust the numbers
Change days worked, salary, expenses or umbrella margin to match your situation.
Inside IR35 (umbrella)
£49,023/yr
You keep 64% of the contract value
Assignment rate£77,000
Umbrella margin-£1,150
Employer NI-£9,198
Apprenticeship levy-£332
Income tax (PAYE)-£13,960
Employee NI-£3,337
Take-home pay£49,023
Outside IR35 (limited company)
£55,344/yr
You keep 72% of the contract value
Company revenue£77,000
Director salary-£12,570
Employer NI on salary-£1,136
Corporation tax-£13,023
Dividend tax-£7,498
Income tax + NI on salary-£0
Take-home pay£55,344
Outside IR35 (limited company) leaves you £6,320/year better off at this rate.