Where to apply for United Kingdom citizenship

United Kingdom citizenship by descent runs through UKVI via the UK Ancestry (grandparent) / descent pathway. Here's who processes your case and how to reach them.

UK Home Office / UK Visas and Immigration (UKVI)

British citizens 'by descent' generally can't pass citizenship to a child born abroad — the descent limitation.

See if you qualify for United Kingdom citizenship

Check your eligibility — free

Not affiliated with UKVI or any government. A document-organization tool, not legal advice — always verify with the relevant authority.