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Glossary

National Insurance number (NINo, UK)

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Your NI number links your UK tax and benefits record. Employers use it for payroll.
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Where to find it

On official HMRC/DWP letters and payslips; apply online if you don’t have one.

Why it matters

Required for work, taxes and some benefits.

What to do now

  1. Check HMRC/DWP letters for your NI number
  2. If missing, apply online and verify identity
  3. Keep it safe and share only when needed

FAQ

Yes, but your employer will need it soon for payroll and records.

You usually find your National Insurance number (NINo, UK) in official letters, online portals, or documents from authorities.

Yes, National Insurance number (NINo, UK) is often required for taxes, banking, or admin tasks.

Contact the relevant office to request a replacement or check your online account.