Translation agency in Dortmund for specialised and certified translations
- Certified to ISO 17100 and ISO 9001, audited by DEKRA
- Dual control: mandatory revision by a second linguist
- In Dortmund since 1989, translating since 1976
- Confidential: every member of staff is bound to secrecy, NDA on request
What we translate for you, certified on request
Which service you need depends on the recipient: authorities, courts and universities usually require a certified translation, companies a specialised translation in the right subject area. Not sure which applies to your document? Send us the file or get in touch.
Specialised translations
Technology, law, medicine, chemistry, business and finance, patents, expert reports and marketing. Every translation is checked by a second linguist against the source text.
Certified translations
Certificates, diplomas, contracts and court judgments for authorities, courts and universities, translated and certified by court-authorised translators.
Website and software localisation
Websites, software and apps in the language of the target market, checked in the running application rather than only in the text file.
Proofreading and editing
Review of existing translations and foreign-language texts: linguistic, technical or both, with traceable changes.
Languages we translate
All common languages with experienced specialist translators; rare language combinations on request.
Interpreting
For negotiations, notarial deeds, appointments with authorities and events, subject to availability; sworn interpreters for court and registry office.
All subject areas with process and pricing: specialised translations; official documents: certified translations.
How your order proceeds
From your original to the finished translation in five steps. Before we send a quote, we agree with you which service your document actually needs.
- Enquiry
Preliminary check: language, subject area, required form, legibility
What you provideThe document or a sample, target language, intended use and the receiving office
- Quote
A quote by standard line, usually on the same working day
What you provideNothing; the quote is non-binding
- Translation
By a native-speaker specialist translator for the target market
What you provideExisting terminology or earlier translations, if available
- Revision
Mandatory check by a second linguist against the source text
What you provideNothing
- Delivery
In the agreed format, certified on request, by email or post
What you provideWhether you need paper or electronic form
You learn what your translation costs before you order
We charge by the volume of your text, in standard lines of 50 to 55 characters including spaces. Language combination, subject area and, for recurring texts, the share already translated also set the price. Send us the document and you will receive a non-binding quote, usually on the same working day.
Send us your documents and we will usually get back to you with a quote on the same working day. All we need: the file or a text sample, target language, intended use and your deadline.
Client feedback from Dortmund and the region
It is the best translation agency in the whole of North Rhine-Westphalia. I was there today and collected my documents, everything went very quickly and smoothly, a very friendly and competent team, I am very satisfied and would not want to go anywhere else. Many heartfelt thanks to the nice team at Eurolingua.
O. Z., Google review, September 2025, translated from German
I had my birth certificate translated at Eurolingua. The friendly staff sorted everything out quickly and simply by email. The price was fair, too. Happy to come back.
Gabriel S., Google review, July 2026, translated from German
Very friendly service, competent and professional. Not overpriced. Above all, a straightforward process and communication.
Marcin K., Google review, August 2026, translated from German
Two certificates, externally audited without interruption since 1997
Eurolingua is certified to ISO 17100 and ISO 9001, certified by DEKRA, valid until 2 January 2028 and 7 March 2027. What matters most in practice is mandatory revision under the dual control principle: a second qualified linguist compares every translation with the source text word for word, looking for omissions and errors of meaning.
That second reading rules out same-day delivery in all but exceptional cases, and is why authorities send translations back less often. For companies in the Ruhr area, ISO 9001 means every order is documented and traceable, which supplier audits regularly check. Details: certification.
ISO 17100:2015
Translation services: qualified translators, mandatory revision, terminology.
ISO 9001:2015
Quality management: defined processes, documented orders, complaint handling.
Hohe Straße 45 in the Kreuzviertel: directions and drop-off
Our office is at Hohe Straße 45, 44139 Dortmund, Germany, in the Kreuzviertel south-west of the city centre, right on its border with the Saarlandstraßenviertel. It lies outside the pedestrian zone and is directly reachable by light rail (Stadtbahn). You can hand in documents Mon–Thu 8:30–15:30, Fri 8:30–14:30; note the earlier close on Friday.
Both links open Google Maps in a new window.
Table: getting to Hohe Straße 45 by light rail, car and long-distance railHide table
| Coming by | Route | Note |
|---|---|---|
| Light rail | U46 to Saarlandstraße, right by the office. From the main station (Hauptbahnhof): U41, U45, U47 or U49 to Stadthaus, then five to ten minutes on foot | The U46 does not stop at the main station. S-Bahn line S4 also stops at Stadthaus |
| Car | A40 or A45, exit towards Dortmund-Zentrum, then on to the Kreuzviertel | Mostly residents’ parking; allow time |
| Long-distance rail | Dortmund Hauptbahnhof (ICE and IC), then light rail to Stadthaus | Practical from the Sauerland and Münsterland |
Orders regularly come from the Sauerland and from Witten, Lünen, Castrop-Rauxel, Bochum and Unna (about 18 to 19 km by road), Schwerte (12 km), Hagen (25 km) and Hamm (45 km).
Turkish, Polish, Arabic, Russian and Ukrainian are frequently needed in Dortmund
Demand in Dortmund follows the migration history of the city and the Ruhr area. Turkish, Polish, Arabic, Russian and Ukrainian are among the languages most frequently needed, typically for civil status records, residence, naturalisation and professional recognition. In each of them we watch the conventions of official documents and the spelling of names.
Table: languages frequently needed in DortmundHide table
| Language | Typical reason in the Ruhr area |
|---|---|
| Turkish | Largest immigrant community, fourth generation: civil status, estates and property in Turkey, pensions |
| Polish | Construction, trades, care, logistics; naturalisation, recognition, estates in Poland |
| Arabic | North Rhine-Westphalia has Germany’s largest Arabic-speaking population: naturalisation, family reunification, medical licensing |
| Russian | Ethnic German resettlers, migration from CIS countries since the 1990s |
| Ukrainian | Since 2022: residence, recognition of qualifications, exchanging driving licences |
| Romanian, Bulgarian | Largest EU migrant groups: address registration (Anmeldung), child benefit, posting documents |
| English | Ruhr export business, university admission, international contracts |
Need a different language? We translate all common languages. Ask about your language pair or see all languages.
In Dortmund since 1989, translating since 1976
1976: Interlingua in Dortmund
The forerunner of Interlingua Übersetzungen is founded in Dortmund.
1989: Eurolingua opens
Eurolingua Übersetzungen starts work in Dortmund, where it has stayed.
1997: First certification
External certification without a break since then.
2014: One company
Merger into Eurolingua und Interlingua Übersetzungen GmbH & Co. KG.
Eurolingua is a translation agency in Dortmund’s Kreuzviertel, at Hohe Straße 45, certified to ISO 17100 and ISO 9001 by DEKRA. Based in Dortmund since 1989 and translating since 1976, it handles specialised translations, certified translations and interpreting for private clients, public authorities and companies in Dortmund and the eastern Ruhr, and takes written orders from across Germany and abroad. Since 1976 the company has translated more than 2 million texts; since 2014 alone around 336,000 orders, most with several texts (management figure, as of October 2026).
Table: Eurolingua in Dortmund, key factsHide table
| Address | Hohe Straße 45, 44139 Dortmund, Germany; Kreuzviertel, in the Innenstadt-West district |
| Opening hours | Mon–Thu 8:30–15:30, Fri 8:30–14:30 |
| Phone and email | +49 231 55 78 000 · info@eurolingua.de |
| Certification | ISO 17100 and ISO 9001, certified by DEKRA, valid until 2 January 2028 and 7 March 2027 |
| In Dortmund since | 1989; translating since 1976 |
| Texts translated since 1976 | over 2 million; since 2014 alone around 336,000 orders, most with several texts (management figure, as of October 2026) |
| Services | Specialised translations, certified translations, proofreading and editing, terminology management; interpreting subject to availability |
| Catchment area | Dortmund, Bochum, Witten, Lünen, Castrop-Rauxel, Unna, Schwerte, Hagen, Hamm and the Sauerland; written orders from anywhere in Germany and abroad |
| Quote | Non-binding, usually on the same working day |
Interpreters for authorities, courts, clinics and factory visits in Dortmund
We provide interpreters for appointments in Dortmund and the surrounding area. Interpreters are arranged subject to availability; the terms are agreed in the quote for each assignment. For court hearings, the German Judicial Remuneration and Compensation Act (JVEG) serves as the guide.
- Registry office (Standesamt) and other authorities
- Dortmund local court (Amtsgericht) and regional court (Landgericht), usually with sworn interpreters
- Notaries, for property purchases and company formations
- Clinics, especially consent discussions before a procedure
- Factory visits, audits and supplier meetings
Tell us the date, time, expected duration, place and language pair. More on interpreting.
Questions about placing an order in Dortmund
Do you have a sworn translator in Dortmund?
Yes. In North Rhine-Westphalia a sworn translator is officially court-authorised (gerichtlich ermächtigt); sworn (beeidigt) applies to interpreters. We work with translators authorised by the Higher Regional Court (Oberlandesgericht) Hamm, whose certification the Dortmund registry office, the immigration office (Ausländerbehörde) and the district government (Bezirksregierung Arnsberg) accept. Authorisation is per language direction, so name yours. How certification works: certified translations.
How is the price of a translation worked out?
Per standard line of 50 to 55 characters including spaces. Language combination, subject area and any text already translated set the price. We can only give a reliable price once we have seen the document; you then receive a non-binding quote, usually on the same working day.
Do you work for clients outside Dortmund?
Yes. Written orders run by email and post across Germany and abroad, so distance plays no part. It only matters for drop-off in person and for interpreting, where we plan in travel time.
Send the file or a scan with the target language and purpose, and you will usually have a quote on the same working day.