Free report: legal, sworn and certified translations

Two pages on the difference between legal, sworn and certified translations, when an apostille or legalisation is needed, and how to keep legal terminology consistent. Updated November 2026.

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Free report · Updated November 2026

What's inside the report

A two-page brief for companies, law firms and individuals who need legal documents to be valid in another country. It explains what separates a legal, a sworn and a certified translation, when an apostille or legalisation comes into play, and how legal terminology is kept consistent from one document to the next.

  • 2 pages, PDF
  • English, Italian, German, Spanish, Catalan
  • Updated November 2026
  1. What legal translation covers

    Tax, international, civil, administrative and criminal law, and why each field needs translators trained in it.

  2. Sworn or certified?

    How a sworn translation becomes official in Italy, and what a translator's self-declaration can and cannot do.

  3. Apostille and legalisation

    When the Hague Convention apostille is enough, when legalisation is needed, and where EU rules remove both.

  4. Documents we translate

    Contracts, bylaws, due diligence and M&A files, court documents, certificates, wills, trademarks and more.

  5. Large volumes

    How machine translation with full revision by a legal specialist keeps big document sets on time and consistent.

  6. Quality safeguards

    An ISO 17100 certified process, revision by a second linguist and confidential handling of every file.

Who it's for

In-house legal teams, law firms, notaries and managers of companies entering new markets, as well as private individuals relocating or studying abroad.

It is most useful before you order a translation that an authority, a court or a foreign registry will check, when the type of translation required is not yet clear.

Key facts

  • Between countries that are party to the Hague Convention of 5 October 1961, an apostille issued by the competent authority replaces the longer legalisation procedure. Source: HCCH, Apostille Convention
  • Since 16 February 2019, many public documents circulating between EU countries, such as birth, marriage or residence documents, need neither legalisation nor an apostille. Source: Regulation (EU) 2016/1191
  • For several of those documents, a multilingual standard form can be attached so that no separate translation is required. Source: Regulation (EU) 2016/1191, Article 7
  • In Italy, a translation becomes sworn when the translator swears to its accuracy before a court official, a justice of the peace or a notary. Other countries follow their own procedures.

Checked on 10 November 2026.

Frequently asked questions

What is the difference between a sworn and a certified translation?

A sworn translation carries an oath taken before an official, which gives it legal value in the country where it is sworn. A certified translation comes with the translator's own declaration that it is accurate. Many organisations accept a certified translation, but courts and public registries often ask for a sworn one, so check with the receiving body first.

Does a sworn translation need an apostille?

It depends on where the document will be used. Between countries that signed the Hague Convention, an apostille is usually enough; other countries require legalisation. Within the EU, Regulation (EU) 2016/1191 removes the apostille for many public documents.

Can machine translation be used for legal documents?

For large volumes such as due diligence files, machine translation can speed up the first draft, but every sentence still needs full revision by a linguist who specialises in law. Terminology has to be checked against an agreed glossary so that the same concept keeps the same term in every document.

How do I know which type of translation I need?

Ask the authority, court or organisation that will receive the document. They decide whether a sworn, certified or simple translation is acceptable and whether an apostille or legalisation is required. Asking first avoids paying twice.

Related reading

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