1 min readUpdated October 22, 2026
In this guide ›
If an American authority has asked you to legalise a UK public document, the office that matters is the FCDO Legalisation Office. The apostille it attaches is, in gov.uk’s description, a stamped official certificate: the office checks the signature or seal against the records it holds and then fastens the certificate to the document.
Documents that can be legalised
A document can be legalised when a UK public official issued it, or when that official has certified it — a UK notary or a solicitor, for example. The examples gov.uk gives are a contract, a power of attorney, or a qualification certificate copy.
Two routes, both online
You apply for either type of apostille online. The paper-based apostille is posted, or brought in person by registered businesses. The e-Apostille is a PDF that a UK notary or a solicitor has signed electronically.
What the e-Apostille does not cover
Some documents can never take the electronic route. gov.uk rules out General Register Office papers — birth and death certificates, marriage or civil partnership certificates, adoption certificates, and any other document the office holds. Also excluded are ACRO police certificates (England and Wales), DBS certificates (England and Wales), plus disclosure certificates (Scotland and Northern Ireland), and fingerprint certificates. For these, the paper-based apostille is the option that remains.
Fees per document
How long each service takes
Paper or digital for a US authority
Before choosing a format, check what the receiving authority in the USA wants. gov.uk notes that some want paper even though an e-Apostille exists, so ask that question before you pay for either route.
How we prepare our guides
Updated October 22, 2026
Prepared by the apostilla.uk team from official sources, listed below on this page.
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