Certificate of Naturalisation/Registration Apostille – UK Legalisation Service

We legalise UK Certificates of Naturalisation or Registration for use abroad, including solicitor certification and priority FCDO submission.

What is a Certificate of Naturalisation/Registration Apostille?

This document confirms your British citizenship acquired through naturalisation or registration.

You may need an apostille for:

• Overseas citizenship applications

• Immigration or residency abroad

• Passport applications in another country

Why You Need an Apostille

Many foreign immigration and legal authorities require proof of British nationality to be verified by apostille.

Can I Legalise a Certificate of Naturalisation/Registration?

✅ Yes — originals or solicitor-certified copies accepted.

Apostille Requirements

• Must be certified by a UK solicitor or notary public.

Acceptable Formats

✔ Original certificate certified by a UK solicitor/notary
✔ Photocopy or printout (must be solicitor-certified)

Embassy Attestation (If Required)

We can arrange embassy legalisation for non-Hague countries.

Our Apostille Service Includes

• Solicitor certification

• Priority FCDO submission

• Tracked return delivery

• Optional: translations, scanning

Processing Time

• Next working day FCDO submission if received by 12:30 pm

• Delivery within 1–2 working days after FCDO

Costs