If you search for an apostille citizenship certificate to use outside the USA, our website: usapostille.com provides it.

We provide attestation service for naturalization certificate issued by the US Homeland Security Administration, which is used in countries participating in the Hague Convention, because we receive an apostille of Naturalization Certificate from the US Department of State in Washington DC, and we help businesses authenticate the certificate from the US Department of State and the embassy of the destination country in Washington DC.

If your documents will be used in countries not participating in The Hague, legalization of the embassy is necessary to recognize them. You can order it from our site too.