Sworn Translator Spain: What They Are and How to Find One

A sworn translator in Spain, or traductor jurado, is accredited by the foreign ministry to certify legal translations. This guide sets out which documents typically need one, how the request works step by step, and how a sworn translation differs from an apostille. It also names the mistakes that cost readers time against a fixed visa or citizenship deadline, and where the task sits inside a case a lawyer or attorney already runs.

What Is a Sworn Translator in Spain?

A sworn translator, or traductor jurado, is a translator accredited by Spain’s Ministry of Foreign Affairs to certify translations as legally valid for Spanish institutions. A sworn translation that is to take effect before a Spanish public administration is exempt from legalization, so it needs no further stamp for that use.

Spain’s Ministerio de Asuntos Exteriores, Union Europea y Cooperacion runs the accreditation through its own Oficina de Interpretacion de Lenguas. A MAEC-appointed traductor jurado is the usual route to an official translation, and Article 17.1 of the Reglamento approved by Real Decreto 724/2020 names three further channels alongside it: a translation the Oficina de Interpretacion de Lenguas certifies itself, one made or adopted by a Spanish diplomatic mission or consular office abroad for a document entering a file the Spanish administration must decide, and one made by a career foreign mission or consular office in Spain for that country’s own laws or public documents. Article 17.2 adds any translation current EU law recognizes as official.

Can a Lawyer Arrange Sworn Translations for My Case?

A lawyer or immigration attorney already handling your visa, residency or citizenship case can coordinate the sworn translations if that task is included in the engagement scope. You still pay the traductor jurado’s own fee, which Article 16 of RD 724/2020 leaves the translator to set.

Coordination can cover checking which translator’s certification and document handling the receiving office, extranjeria, the Registro Civil or a consulate will accept, and sequencing the translation against the case’s appointment deadlines. Confirm that scope before work begins.

How Does Sworn Translation Work in Practice?

You get a document sworn-translated by working through five steps, and the order matters when the document also needs an apostille.

1. Identify which documents need translation.

   Not every paper in a case file needs it: check which documents typically need a sworn translation before you send anything out.

2. Find an accredited traductor jurado.

   MAEC’s own Buscador de Traductores e Interpretes Jurados lets you search by language and by title type, and it requires at least one filter before it returns a result.

3. Confirm whether the document needs an apostille first.

   Where one applies, getting it before translation means the sworn translator’s copy of the original reflects the apostille too.

4. Receive the certified translation.

   Article 18 of RD 724/2020 requires the translator to sign and seal the translation with a certification statement, and to attach a stamped, dated copy of the document they worked from.

5. Submit the certified translation with the original.

   The receiving office, whether that is extranjeria, the Registro Civil, a consulate or another authority handling the case, takes both documents together.

Which Documents Typically Need a Sworn Translation?

No single list applies everywhere: each visa, residency or citizenship route publishes its own document checklist, and this guide does not build one master list to replace them.

The Spanish Consulate General in Miami’s own student-visa checklist opens with a general rule: every foreign document must be submitted legalized or apostilled and, where it is drawn up in a language other than Spanish, accompanied by the corresponding translation. Its criminal record certificate carries a further requirement for stays over 180 days: the certificate has to be legalized with the Hague Apostille and translated officially into Spanish. The same checklist asks specifically for a sworn translation of the medical certificate, and it waives the translation entirely where the applicant uses the consulate’s own attached model.

Examples of documents that can require a sworn translation, depending on the case, include a birth or marriage certificate, a criminal record certificate, an academic degree or transcript, and a power of attorney signed abroad for a remote transaction such as an NIE application.

Check the checklist for the specific process you are running: an NIE application, a power of attorney or a citizenship-by-descent claim each carry their own.

Sworn Translation vs Apostille: What’s the Difference?

A sworn translation and an apostille solve two different problems, and one document can need both. An apostille is the legalization formality the Hague Apostille Convention created; EU Regulation 2016/1191 refers to it in those terms when it lists which EU-issued civil documents are exempt from it. An apostille authenticates where a foreign document came from, and it says nothing about the language the document is written in.

A sworn translation converts a document’s language into Spanish and says nothing about where the document came from. A translation made by a MAEC-titled traductor jurado is one channel Article 17.1 of the Reglamento recognizes. The diplomatic and consular channels in that article apply within their stated conditions, and Article 17.2 covers translations that current EU law recognizes within that law’s scope.

Where a document needs both, getting the apostille first is the practical sequence. Article 18.5 of the same Reglamento requires the translator to attach a stamped, dated copy of exactly the document handed to them, so the translation reflects the document in that state. The sequencing advice follows from that copy requirement; it is not a separate statutory ordering rule. The apostille guide covers which authority issues one for a given document.

What Mistakes Do People Make With Sworn Translations?

Five mistakes come up repeatedly with sworn translations, and most trace back to timing or to which list the translator sits on.

• Using a translator from outside the official channels. Article 17.1 names four kinds of translation that carry official character and Article 17.2 adds any translation current EU law recognizes. A translation from outside those routes carries no official character.
• Translating before getting a required apostille. Article 18.5 has the translator attach a copy of exactly the document they were given, so a translation made before the apostille is added will not reflect it.
• Getting the EU route wrong in either direction. Article 17.2 gives official character to any translation current EU law recognizes, and Article 6.2 of Regulation 2016/1191 has every member state accept a sworn translation made by a person authorized under another member state’s law, inside that Regulation’s own scope. Outside that scope, Article 17.1 does not extend official character to a translation from a translator accredited outside Spain. The Reglamento’s qualification-recognition route answers a different question again: it grants an EU, EEA or Swiss professional a Spanish title, and it says nothing about a foreign translation.
• Underestimating turnaround time. No authority publishes a standard turnaround, and each translator manages their own workload, so a document sent in close to an appointment date leaves no margin.
• Assuming a sworn translation and an apostille are the same requirement. A case can need one, the other, or both, depending on the document and where it was issued.

Confirm both requirements separately for each document. Meeting one does not automatically meet the other.

Do You Need a Sworn Translator If You’re Not Using a Lawyer?

Yes. Anyone can contact a sworn translator directly from MAEC’s own list, without a lawyer, since the accreditation is what a Spanish authority checks and not who arranged the engagement. The list gives names, the languages each translator is authorized for and the title type; it gives contact details only for translators who chose to publish them. Widen the title-type filter when you search: RD 724/2020 created the separate Traductor Jurado and Interprete Jurado titles and left the older combined Traductor-Interprete Jurado title in force for the people who already held it, who keep it for life, so a search on one title type alone misses every holder of another.

This suits a reader with one document to translate: a birth certificate for a citizenship-by-descent file, a power of attorney for the NIE representative route, or a single document in a visa file. Coordination with a lawyer can be useful when the case requires a decision about which documents need translation or when the translation must fit an appointment deadline.

How Much Does a Sworn Translation Cost, and How Long Does It Take?

Spanish law leaves the price to the individual translator. Article 16 of RD 724/2020 lets a traductor jurado freely set the fees they charge for their work, and no official schedule regulates it.

It takes as long as the translator needs, since no authority publishes a standard turnaround either. Pricing and turnaround both vary by translator, document length and language pair. Ask early if a visa or citizenship appointment is already booked, since no official figure fixes how far ahead to start.