£300 Day Rate After Tax UK (2026/27) — Inside vs Outside IR35
A £300/day UK contractor rate over 220 billable days generates £66,000 in annual contract revenue. Operating Outside IR35 via a Limited Company yields £49,280/year (£4,106.67/month) compared with £43,739/year (£3,644.89/month) Inside IR35 via an Umbrella company—a difference of £5,541/year.
| £300/Day IR35 Metric (220 Days) | Inside IR35 (Umbrella) | Outside IR35 (Limited Company) |
|---|---|---|
| Gross Annual Contract Value | £66,000 | £66,000 |
| Employer NI (13.8%) & Levy | £7,491 | £1,045 (on £12,570 salary) |
| Corporation Tax (19%–25%) | £0 (Taxed via PAYE) | £9,655 |
| Personal Income / Dividend Tax & NI | £13,470 | £4,220 |
| Net Annual Take-Home Pay | £43,739/yr | £49,280/yr |
| Net Monthly Take-Home Pay | £3,644.89/mo | £4,106.67/mo |