Tax on £79,000 self-employed

Quick answer

If you're self-employed with a profit of £79,000, your total tax bill for 2026/27 is £22,058 — leaving £56,942 after Income Tax and National Insurance.

Reviewed by TaxFly Editorial Team How we calculate

Total tax & NI

£22,058

you keep £56,942 (72.1%)

Add expenses & payments on account

Profit: £79,000
Income Tax: − £19,032
Class 4 NI: − £2,837
Class 2 NI: − £190
After tax: £56,942

How much tax on £79,000 self-employed?

On a self-employment profit of £79,000, you pay £19,032 Income Tax, £2,837 Class 4 National Insurance and £190 Class 2 NI, a total of £22,058 for 2026/27. That leaves you with £56,942 — 72.1% of your profit.

Profit means your income after allowable business expenses. These figures assume no other income and the standard Personal Allowance — set those on the self-employed tax calculator.

How self-employed tax is worked out

You get a £12,570 tax-free Personal Allowance, then Income Tax on the rest. National Insurance is separate: Class 4 at 6% on profit between £12,570 and £50,270 (2% above), plus a flat Class 2 charge once profit passes the small-profits threshold. Remember to set aside money for payments on account — HMRC asks for next year's tax in advance.

Other profit levels

Tax on £20,000 Tax on £30,000 Tax on £40,000 Tax on £50,000 Tax on £60,000

Frequently asked questions

About £22,058 in total for 2026/27 — £19,032 Income Tax plus £3,026 National Insurance — leaving £56,942.

Yes — it includes Class 4 NI (£2,837) and Class 2 NI (£190) as well as Income Tax.

On profit — your income after allowable business expenses. Deducting more expenses lowers the tax.