National Insurance number (NINo, UK)
Your NI number links your UK tax and benefits record. Employers use it for payroll.
Articles explain general principles and are for information only. They do not constitute legal, tax or other professional advice. Real outcomes depend on residence, income structure, documents and timing.
Start case analysisWhere 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
- Check HMRC/DWP letters for your NI number
- If missing, apply online and verify identity
- Keep it safe and share only when needed
Quick links
If you need clarity for your exact situation, the AI analysis organises your facts, applies the relevant cross-border rules, and identifies what may apply to you. A verified EU expert can review the structured case and issue a written conclusion.
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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.
Related
Guides
- Get your UK National Insurance Number
- Check and update your PAYE Tax Code (UK)
- Set up Council Tax payments (UK)
- Open a UK bank account
- Register with a GP (NHS, UK)
- Apply for a BRP (UK) or collect it
- File a UK Self Assessment tax return
- Claim Child Benefit (UK)
- Exchange a foreign driving licence for a UK one
Mathieu Fiscalis
AI assistant – Taxes & Cross-Border Tax