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Find out when you can expect to receive a reply from HMRC to a query or request you've made.
Find and use tools and calculators that will help you work out your tax.
Use these rates and thresholds when you operate your payroll or provide expenses and benefits to your employees.
Use this calculator to work out employee National Insurance contributions, if you're an employee, employer, or a software developer.
Use form CA5403 to request a copy of your National Insurance number by post.
Use the online form service or postal form CF411 to apply for National Insurance Home Responsibilities Protection.
Use form CA9176 to apply for Class 3 National Insurance credits from 6 April 2011, if you've provided care for a child aged under 12.
Ask HMRC to confirm that you, or if you’re an employer, your employee pays only UK National Insurance contributions whilst working temporarily in an EU country, Gibraltar, Iceland, Liechtenstein, Norway or Switzerland.
Find out how to ask for access to personal data that HMRC holds about you, or someone who has died.
Apply for a certificate to confirm that you only need to pay UK National Insurance contributions if you're a self-employed individual working temporarily in an EU country, Gibraltar, Iceland, Liechtenstein, Norway or Sw…
If you've been sent a letter from HMRC, apply for a refund of Class 1 National Insurance contributions using form CA4361.
Apply for a healthcare entitlement certificate (S1) if you’re paying UK National Insurance as a worker while resident in an EU country, Iceland, Liechtenstein, Norway or Switzerland.
Apply for a certificate to confirm you only pay UK National Insurance contributions when you're working in 2 or more countries in the UK, EU, Gibraltar, Iceland, Liechtenstein, Norway or Switzerland.
Learn more about getting started as an employer or running a small business including registration, payroll, tax returns, tax bills and payments.
Check if you should pay National Insurance in the UK or social security contributions in the EU, Gibraltar, Iceland, Liechtenstein, Norway, or Switzerland.
Rates, allowances and limits for National Insurance.
Use this calculator to work out the director's National Insurance contributions.
Ask HMRC to confirm you only pay UK National Insurance contributions whilst working in a country which has a social security agreement, also known as a reciprocal agreement with the UK.
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.
Don’t include personal or financial information like your National Insurance number or credit card details.
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