Eligibility Routes

Your British Citizenship May Be Closer Than You Think

Thousands of Americans qualify for a British passport through ancestry, marriage or residence — and don't know it. Passportia's expert advisers identify your route and guide your application from start to finish.

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Eligibility Routes

How Americans Qualify for British Citizenship

There are more routes to a British passport than most people realise. Many Americans qualify right now — through their family history, colonial links or residency in the UK.

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Citizenship by Ancestry

If a parent or grandparent was born in the UK, British Islands, or Ireland before May 1922, you may have an automatic claim to British nationality.

Learn about ancestry route

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Citizenship by Marriage

Spouses and civil partners of British citizens can register for citizenship after meeting residence and "good character" requirements.

Learn about marriage route

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Naturalisation

If you live in the UK and hold Indefinite Leave to Remain or Settled Status, you may qualify for naturalisation as a British citizen.

Learn about naturalisation

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Colonial & Territory Links

Descent from someone born or resident in a former British colony or protectorate may entitle you to British nationality through registration.

Learn about registration route

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Children & Minors

Recent changes to nationality law have expanded eligibility for children of unmarried British fathers, adopted children and those with British grandparents.

Learn about children's routes

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Right of Abode

Some people already have the right to live and work in the UK without a visa. We can determine if you hold Right of Abode and what it means for citizenship.

Learn about Right of Abode

Your British Citizenship May Be Closer Than You Think