Amazon Flex drivers are self-employed and pay income tax at 20% and Class 4 NI at 6%. On £30,000 gross income: approximately £1,041 NI + £3,486 income tax = £4,527 total tax. Set aside £1,132 per quarter. Car mileage: 45p/mile for the first 10,000 miles, then 25p.
Estimate your income tax and National Insurance as an Amazon Flex driver in 60 seconds. Car mileage 45p/mile, correct Class 4 NI at 6%. Free, no signup.
Total paid to you by the platform before any deductions.
Phone, equipment, insurance — business proportion only.
Amazon Flex drivers
Amazon Flex drivers are self-employed contractors. If you earn over £1,000 from Flex in a tax year, you must register for Self Assessment with HMRC. Your taxable profit (income minus allowable expenses) is subject to 20% income tax and 6% Class 4 NI between £12,570 and £50,270. Class 2 NI was abolished from April 2024.
Amazon Flex delivery is car-based. HMRC allows 45p per mile for the first 10,000 business miles per year, then 25p. Track your mileage per block booking using a mileage app or spreadsheet.
HMRC rates 2025/26
| Income band | Income Tax | Class 4 NI |
|---|---|---|
| Up to £12,570 | 0% | 0% |
| £12,571 – £50,270 | 20% | 6% |
| £50,271 – £125,140 | 40% | 2% |
| Above £125,140 | 45% | 2% |
Class 2 NI abolished April 2024. Class 4 reduced from 9% to 6% April 2024.
Common questions
Estimates based on HMRC 2025/26 rates. General guidance only — not financial, tax, or legal advice.
Your actual liability may differ. Consult a qualified accountant for personalised advice. Verify rates at gov.uk.