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Learn more about getting started as an employer or running a small business including registration, payroll, tax returns, tax bills and payments.
Use this calculator to work out a director's National Insurance contributions for the current tax year.
Check if you should pay National Insurance in the UK or social security contributions in the EU, Gibraltar, Iceland, Liechtenstein, Norway, or Switzerland.
Use the online service or postal form CA8480 to apply for a refund of Class 2 National Insurance contributions.
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 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.
How spouses and civil partners of armed forces personnel posted overseas can fill gaps in their National Insurance record.
Learn more about your responsibilities as a company director.
Apply to convert the Class 3 National Insurance contributions you paid while you worked abroad to Class 2 contributions.
Find out how to apply to HMRC for a refund of Class 3 National Insurance contributions.
Check if you should pay National Insurance in the UK or social security contributions in the EU, Gibraltar Iceland, Liechtenstein, Norway, or Switzerland.
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.
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.
Find out how much Income Tax and National Insurance contributions to pay on sporting testimonial income.
This leaflet explains the impact of taxes, National Insurance contributions, tax credits and State Pensions for lesbian, gay, bisexual and transgender customers.
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.
Don’t include personal or financial information like your National Insurance number or credit card details.
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