£575 a day take-home pay
A £575/day contract is worth about £126,500 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 | £575 |
| Billable days assumed | 220 |
| Gross annual contract value | £126,500 |
| Take-home — inside IR35 (umbrella) | £72,045 |
| Take-home — outside IR35 (limited) | £79,447 |
| Difference | £7,402 |
At £575/day, Outside IR35 (limited company) leaves you £7,402/year better off.
Adjust the numbers
Change days worked, salary, expenses or umbrella margin to match your situation.
Inside IR35 (umbrella)
£72,045/yr
You keep 57% of the contract value
Assignment rate£126,500
Umbrella margin-£1,150
Employer NI-£15,627
Apprenticeship levy-£546
Income tax (PAYE)-£32,938
Employee NI-£4,194
Take-home pay£72,045
Outside IR35 (limited company)
£79,447/yr
You keep 63% of the contract value
Company revenue£126,500
Director salary-£12,570
Employer NI on salary-£1,136
Corporation tax-£26,141
Dividend tax-£19,777
Income tax + NI on salary-£0
Take-home pay£79,447
Outside IR35 (limited company) leaves you £7,402/year better off at this rate.