£150 a day take-home pay
A £150/day contract is worth about £33,000 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 | £150 |
| Billable days assumed | 220 |
| Gross annual contract value | £33,000 |
| Take-home — inside IR35 (umbrella) | £23,842 |
| Take-home — outside IR35 (limited) | £26,875 |
| Difference | £3,033 |
At £150/day, Outside IR35 (limited company) leaves you £3,033/year better off.
Adjust the numbers
Change days worked, salary, expenses or umbrella margin to match your situation.
Inside IR35 (umbrella)
£23,842/yr
You keep 72% of the contract value
Assignment rate£33,000
Umbrella margin-£1,150
Employer NI-£3,484
Apprenticeship levy-£141
Income tax (PAYE)-£3,131
Employee NI-£1,252
Take-home pay£23,842
Outside IR35 (limited company)
£26,875/yr
You keep 81% of the contract value
Company revenue£33,000
Director salary-£12,570
Employer NI on salary-£1,136
Corporation tax-£3,666
Dividend tax-£1,324
Income tax + NI on salary-£0
Take-home pay£26,875
Outside IR35 (limited company) leaves you £3,033/year better off at this rate.