£900 a day take-home pay
A £900/day contract is worth about £198,000 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 | £900 |
| Billable days assumed | 220 |
| Gross annual contract value | £198,000 |
| Take-home — inside IR35 (umbrella) | £102,460 |
| Take-home — outside IR35 (limited) | £109,629 |
| Difference | £7,169 |
At £900/day, Outside IR35 (limited company) leaves you £7,169/year better off.
Adjust the numbers
Change days worked, salary, expenses or umbrella margin to match your situation.
Inside IR35 (umbrella)
£102,460/yr
You keep 52% of the contract value
Assignment rate£198,000
Umbrella margin-£1,150
Employer NI-£24,912
Apprenticeship levy-£855
Income tax (PAYE)-£63,190
Employee NI-£5,432
Take-home pay£102,460
Outside IR35 (limited company)
£109,629/yr
You keep 55% of the contract value
Company revenue£198,000
Director salary-£12,570
Employer NI on salary-£1,136
Corporation tax-£45,088
Dividend tax-£42,148
Income tax + NI on salary-£0
Take-home pay£109,629
Outside IR35 (limited company) leaves you £7,169/year better off at this rate.