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Check if you should pay National Insurance in the UK or social security contributions in the EU, Gibraltar, Iceland, Liechtenstein, Norway, or Switzerland.
If you've been sent a letter from HMRC, apply for a refund of Class 1 National Insurance contributions using form CA4361.
Use this calculator to work out a director's National Insurance contributions for the current tax year.
How to get a National Insurance number for a child who is in the care of a local authority.
Find out which countries have reciprocal social security agreements with the UK for National Insurance and benefit entitlement.
Find information about paying National Insurance contributions for company directors in current and previous tax years.
Find out if your State Pension will be affected by the delay to National Insurance replacement credits for parents and carers, and how to tell HMRC.
Use the online service or postal form CA8480 to apply for a refund of Class 2 National Insurance contributions.
Find out how to apply to HMRC for a refund of Class 3 National Insurance contributions.
How spouses and civil partners of armed forces personnel posted overseas can fill gaps in their National Insurance record.
Find out if you can claim relief from employer Class 1 National Insurance contributions when you employ someone in a UK Freeport or Investment Zone special tax site.
Apply to convert the Class 3 National Insurance contributions you paid while you worked abroad to Class 2 contributions.
Check if you should pay National Insurance in the UK or social security contributions in the EU, Gibraltar Iceland, Liechtenstein, Norway, or Switzerland.
Check the availability and any issues affecting the approval and set up of your agent services account if you are not based in the UK.
Learn more about your responsibilities as a company director.
Use these booklets to manually calculate contributions for employees who must pay National Insurance.
What you need to do after getting a letter from HMRC following a correction to your National Insurance contributions after 6 November 2022.
Find out about paying Income Tax and National Insurance contributions if you arrive in the UK but are still working for an employer in Ukraine.
Find guidance about Income Tax and National Insurance contributions for the NHS widening access training scheme (WATS) if you are an NHS employee or employer.
Tax avoidance schemes that HMRC believe to be live and widely available, to help those using them to avoid tax.
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