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Most workers in the UK will pay National Insurance contributions. It funds state benefits such as pensions, unemployment benefit, and statutory sick pay. There are several types of NI contributions for the self employed depending on whether you are a sole trader or limited company contractor, as well as how much you earn (and take as dividends).
Calculate your self employed national insurance contributions below and scroll down to find out more about the types of national insurance, rates and allowances.
Sole traders will pay Class 2 National Insurance on profits over the Small Profits Threshold, and Class 4 National Insurance on profits over the Lower Profits Limit. See tables below. Self employed sole traders or freelancers will usually pay National Insurance via self assessment.
Limited company contractors however are employed by their own companies, and therefore pay Class 1 Employees National Insurance on earnings over the Primary Threshold. As they are also their own employer, limited company contractors must also pay the Class 1 Employers National Insurance. See tables below.
| 2023/24 | 2022/23 | 2021/22 | |
| Small profits threshold | £6,725 | £6,725 | £6,515 |
| Rate | £3.45 per week (£179.40 per year) | £3.15 per week (£163.80 per year) | £3.05 per week (£158.60 per year) |
| 2023/24 |
2022/23 | 2021/22 | |
| Lower profits limit | £12,570 | £11,908 | £9,568 |
| Rate | 9% | 9.73% | 9% |
| Upper profits limit | £50,270 | £50,270 | £50,270 |
| Rate above UPL | 2% | 2.73% | 2%
|
| 2023/24 |
2022/23 | 2021/22 | |
| Primary threshold | £12,570 | £9,880 | £9,568 |
| Rate | 12% | 13.25% | 12% |
| Above upper earnings limit | £50,270 | £50,270 | £50,270 |
| Rate | 2% | 3.25% | 2% |
| 2023/24 |
2022/23 | 2021/22 | |
| Secondary threshold | £9,100 | £9,100 | £8,840 |
| Rate | 13.8% | 15.05% | 13.8% |
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