National Insurance
Introduction to National Insurance
What National Insurance is, National Insurance classes and how much you need to pay
National Insurance numbers
How to apply for a new National Insurance number, what to do if you or your employee has lost theirs and check your National Insurance record
Paying Income Tax and National Insurance
How to pay Class 2 and Class 3 National Insurance and how to pay your Self Assessment and Simple Assessment tax bills
National Insurance rates and classes
Different rates and categories of National Insurance including self-employed National Insurance rates
Refunds for National Insurance
How to apply for a National Insurance refund
Voluntary contributions for National Insurance
How and when to pay voluntary National Insurance contributions, eligibility and rates
National Insurance for workers from the UK working in the EU, Gibraltar, Iceland, Liechtenstein, Norway, or Switzerland
Check which country's social security contributions you must pay if you're a worker from the UK working in the EU, Gibraltar, Iceland, Liechtenstein, Norway, or Switzerland.
Social security contributions for workers coming to the UK from the EU, Iceland, Liechtenstein, Norway, or Switzerland
Check where you need to pay social security contributions if you’re from the EU, Iceland, Liechtenstein, Norway or Switzerland and are working in UK.