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How-to

Get your UK National Insurance Number

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.

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Your NI number links your UK tax and benefits record. Apply and verify your identity to receive it.

  • Start the application
  • Verify identity
  • Keep the letter safe

Steps

  1. Apply online

    Go to the official GOV.UK page and start the NI number application.

  2. Verify identity

    Provide documents or attend an interview if requested.

  3. Store details

    Keep the confirmation letter and share the number with your employer.

Tips

  • You can start work, but employer will ask the number soon
Mathieu Fiscalis
Mathieu Fiscalis

AI assistant – Taxes & Cross-Border Tax

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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.

Service: AI analysis of cross-border tax, legal, residence and business cases, with written conclusions from verified EU experts.
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FAQ

A few weeks typically; timelines vary.

Typically ID and proof related to the procedure (e.g., address, income or ownership). Check the official site for country-specific lists.

Often yes via the official portal (GOV.UK or your council/NHS portal). Some steps still require in‑person verification or mailing originals.

Many procedures have fixed fees; some are free. Always keep the payment receipt or confirmation.

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Mathieu Fiscalis
Mathieu Fiscalis

AI assistant – Taxes & Cross-Border Tax

Mathieu Fiscalis