Naturalization Certificate · Portugal
Naturalization Certificate Apostille for Portugal
Route, timeline, translation and price for using a Naturalization Certificate in Portugal — based on the official Hague Convention status table.
Quick answer
Portugal accepts a U.S. apostille. Your Naturalization Certificate needs one apostille from the U.S. Department of State — 10–12 business days with us. Certified Portuguese translation usually required.
- Route
- Apostille — one step
- Hague member since
- 4 February 1969
- Issuing authority
- US Citizenship and Immigration Services
- Translation
- Certified Portuguese translation usually required.
Is Portugal a Hague Convention country?
Yes. The Apostille Convention has been in force for Portugal since 4 February 1969, and for the United States since 15 October 1981 — so a U.S. apostille is accepted in Portugal with no embassy step.
The route to Portugal
A Naturalization Certificate is issued by US Citizenship and Immigration Services, a federal authority, so it is authenticated by the U.S. Department of State in Washington, D.C. — never by a state office. For Portugal, that apostille is the finish line.
People most often send documents to Portugal for D7 and golden visa residency, retirement. Receiving offices set their own requirements, so confirm what yours asks for — we’ll help you read it.
About the Naturalization Certificate
How to apostille a Certificate of Naturalization for use abroad.
You obtain this from US Citizenship and Immigration Services. We can’t request it on your behalf, but once you have it, we handle everything through to delivery in Portugal.
Timeline and price
| Stage | Time | Notes |
|---|---|---|
| U.S. Department of State apostille | 10–12 business days | Hand-delivered in Washington, D.C. |
| Certified translation | Alongside | Ordered with the authentication so nothing waits in sequence |
| Return shipping | 1–3 days in the U.S. | Tracked courier; worldwide delivery available |
Price: $299 per document, government fees and U.S. shipping included.
Translation for Portugal
Certified Portuguese translation usually required. We coordinate certified translation alongside the authentication so the document arrives ready to file.
How it works
Confirm the route
Tell us you’re sending a Naturalization Certificate to Portugal. We confirm route, price and timing before any payment.
Get the document to us
Ship it to our processing office, or to any of our U.S. offices and we route it internally.
Pre-submission review
We check it against authentication requirements to catch the problems that cause rejections.
Department of State
Hand-delivered to the Office of Authentications in Washington, D.C.
Certified translation
Arranged alongside so it arrives ready to file in Portugal.
Delivery
Returned to you by tracked courier, or sent directly to your recipient in Portugal.
Sources: HCCH — Apostille Convention status table (updated 30 June 2026) · U.S. Department of State — Authenticate Your Document.
Naturalization Certificate for Portugal — FAQ
Is Portugal part of the Hague Apostille Convention?
Yes. The Convention has been in force for Portugal since 4 February 1969, so a U.S. apostille is accepted there directly.
How long does it take to prepare a Naturalization Certificate for Portugal?
About 10–12 business days for the U.S. Department of State apostille, plus return shipping. Certified translation runs alongside.
How much does it cost to send a Naturalization Certificate to Portugal?
$299 per document, with government fees and U.S. shipping included. We confirm your exact price before any payment.
Do I need a translation for Portugal?
Certified Portuguese translation usually required. We can arrange certified translation with your order.
Can you obtain the Naturalization Certificate for me?
No — you obtain it from US Citizenship and Immigration Services first. Once you have it, we handle the rest.
Do I have to be in the United States?
No. Most Portugal orders are handled entirely by mail, and we can ship the finished document anywhere.
Related: Naturalization Certificate — full guide · All documents for Portugal · Apostille vs. embassy legalization · Why apostilles get rejected
Ready to start?
Order online in minutes, or call and we will walk you through it. Federal documents from anywhere in the U.S. — one flat price, all government fees included.