Do I need to pay National Insurance if I am self-employed?
Being self-employed doesn't exempt you from National Insurance. Here's how it works, what you pay, and why it matters for your State Pension.
FAQ
Being self-employed doesn't exempt you from National Insurance. Here's how it works, what you pay, and why it matters for your State Pension.
Yes. Being self-employed doesn't exempt you from National Insurance - it changes how you pay it, and which type you pay.
When you were employed, your employer handled all of this before the money reached your account.
Now you're working for yourself, that's your job. Understanding what you owe, and putting aside enough to cover it, is one of the most important habits you can build early on.
As a self-employed person in the UK, you pay two main taxes
Both are paid via your Self Assessment. That means filing a tax return with HMRC each year and paying what you owe, usually by 31st January.
National Insurance is a tax on earnings. It funds things like the NHS, state benefits, and your State Pension.
When you were employed, you and your employer both paid in. When you're self-employed, there's no employer contributing, so the rules work differently. But you still build up qualifying years towards your State Pension.
It's important to know that gaps in your record can affect what you receive when you retire, so it's worth paying attention to.
There are several classes of National Insurance. The ones that matter when you're self-employed are Class 4 and Class 2. Here's what each one means.
Class 4 is the main one you'll pay as a self-employed person. It's based on your profits and calculated through your Self Assessment.
Class 2 is also for self-employed people, a flat weekly amount. It's no longer compulsory for most self-employed people, but it still matters. More on this below.
Class 1 is for employees, paid through the PAYE system. As a sole trader, you won't pay this. (If you run a limited company and pay yourself a salary, that's a different situation.)
Class 3 is voluntary. It's for anyone who has gaps in their National Insurance record, for example if you took time out of work, earned below the threshold for a period, or were living abroad. You pay it to protect your State Pension entitlement. It's not specific to self-employment, but worth knowing about.
In the 2025/26 tax year, if you're a sole trader or freelancer:
Class 4 NI:
Class 2 NI:
Always check GOV.UK for the latest rates and thresholds.
Class 2 used to be compulsory, but Since April 2024 it's voluntary for most people.
If your profits are above £6,845, HMRC treats you as having paid it automatically, you automatically get a qualifying year for your State Pension.
But if you're making less than that, paying £3.50 a week voluntarily protects your record. Gaps are hard to fill later and can reduce your State Pension. It's a small amount for meaningful protection.
If you're unsure about your record, you can check your State Pension forecast via the Check your State Pension page on GOV.UK. It takes a few minutes and shows you exactly where you stand.
What you owe depends on your profits, your situation, and how you're set up.
If you're a sole trader, Class 4 and Class 2 are your starting point.
So if your profits are £30,000, you'd pay 6% on £17,430 in Class 4. That's roughly £1,046 on top of your Income Tax. It adds up, which is why putting money aside as you earn matters from day one.
The GOV.UK self-employed National Insurance page has the current official rates. Worth checking at the start of each tax year.
But there are handy calculators online too, like the this one from Taxfix - https://taxfix.com/en-uk/calculator/national-insurance/
A list of related resources on freelancing.support.
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