Guaranteed professional translations

We translate everything
for companies, institutions
and individual clients

Qualified, certificated and experienced profesionals, who translate exclusively into their mother tongue to guarantee the best result at all times.

More than 95 happy customers last year

Specialists available: Experience in a multitude of sectors and industries. Standard exclusive dedication to technical precision.
Quality control: Commitment to quality, strict adherence to delivery deadlines, and maximum confidentiality are essential.
Delivery times: Commitment to quality, strict adherence to delivery deadlines, and maximum confidentiality are essential.
Customer service: Intervention to clarify any doubts that may arise during the process.

Services

Expand your borders

Years of experience.

Total words translated.

Reliable experts in professional translation

Academic, medical, civil registry certificates
Annual reports and financial statements
Deeds of incorporation and bylaws
Notarial powers

Trato directo

Quality guarantees excellence and the fulfillment of requirements, while reliability ensures consistent, fault-free performance over time.

Respuesta rápida

Trato cercano

Transparencia

Confianza

Calidad y fiabilidad

Quality guarantees excellence and the fulfillment of requirements, while reliability ensures consistent, fault-free performance over time.

High Quality

Superior Reliability

Guaranteed Satisfaction

Accuracy Excellence

Translation Review

Reliability Verification

Standards Compliance

Precision Assurance

All types of sectors

Quality control ensures excellence and compliance with requirements in a wide range of areas.

Codex

Languages

We work with most major languages.

Spanish

Portuguese

German

English

Basque

French

Italian

Customer reviews

Our clients vouch for us.

We work with clients across a wide range of sectors—including education, industry, agriculture, engineering, mechanics, and technology. We support large and small businesses, institutions, and individual clients alike. And above all, we let our clients’ satisfaction speak for itself.

"For the translation of documents that we have to present to the courts or any other authority, we have regularly relied on Codex Traducciones for years. Codex Traducciones always responds with agility and meets the set deadlines. The deep knowledge of their profession and a positive attitude towards customer service are quality hallmarks of Codex Traducciones, whose translation services we do not hesitate to recommend."

Mikel Garteiz-goxeaskoa

Partner at Aiyon Abogados S.L.P.

"In our company, we have worked several times with María Teresa for sworn translations to English of all types of documents (Audit reports, certificates, letters...) We have always been satisfied with her work, the deadlines are reasonable, and the price competitive."

Jon Ander Moreno

International Administration Department, Saitec, S.A.

"Excellent service and exquisite treatment from María Teresa and her team. 100% Recommended. We will definitely work with them again."

Guillermo Videgain

Toro y Betolaza

"This is the second time I've trusted María Teresa with my sworn translations, and once again she has exceeded my expectations. Her work is impeccable, with extraordinary precision and a speed that has allowed me to meet all my deadlines. Furthermore, she is always professional, accessible, and willing to resolve any questions that might arise during the process. The quality of her translations, as well as her commitment to excellence, make her a reliable choice for anyone seeking high-level sworn translation services. Without a doubt, I will continue to count on her in the future."

S. C.

"My daughter studied in the USA and I needed sworn translation for degree validation. I contacted M. Teresa and she handled everything impeccably. She is a very good professional, careful with all the documentation I left her and very quick to deliver the work. My daughter has just finished her Master's and of course I have used her services again. 100% recommended."

Mila Oyagüe

"Very satisfied with the work done by Mª Teresa, well organized, punctual, and with the whole process clear from the beginning. If I need more translations, I will definitely use her services again."

Virginia Ruiz Gárate

"Very fast and professional service from M. Teresa. Highly recommended for Spanish-English translations."

Amaya Rueda

"Very professional, quality, and fast service. Highly recommended."

Judith Zubia Aranburu

"We are delighted with María Teresa's work. We have been collaborating for years and she always performs her work impeccably and with great professionalism. Additionally, her approach is personable, quick, and always willing to help. It's a pleasure to work with someone so committed and reliable. We highly recommend her!"

Catalina Unceta

Getxo Language Services

"Working with Maite and Codex Traducciones has been an excellent experience. Their professionalism and dedication have helped us enormously, especially in preparing key documents for our internationalization."

Jesús Cerezo

Minerales y Productos Derivados, S.A. (Minersa)

"Everything went very well, quick to respond and deliver the translation. The client was satisfied."

Jasone Mugarra

Assistant to CEO & Sales Dept. Fives Steel Spain

"I recently worked with CODEX for a sworn translation project, and I couldn't be more satisfied with the results. From the first contact, they demonstrated professionalism, punctuality, and impeccable attention to detail. The translations were not only accurate but also met all necessary legal requirements, which gave me great peace of mind. Additionally, the team was always available to resolve any doubts and ensure that the process was smooth and without setbacks. I would definitely recommend CODEX to anyone needing reliable, high-quality sworn translation services."

S. C.

"Maria Teresa has translated several documents for me to apply for a master's degree in the United States. The experience has been perfect, she has been very professional and has helped me a lot throughout the process. I will definitely use her services again."

Mikel Martínez Yarza

"I strongly recommend María Teresa's services (CODEX), which stand out for their technical quality and punctuality, as well as for their pleasant treatment."

Iñigo

"Very well attended by María Teresa. Personalized and attentive service. Thank you!"

Jon

"We frequently work with both foreign clients and documents in different languages, and Codex Traducciones is undoubtedly a fundamental collaborator who responds, even above expectations, in terms of timing, quality, and professionalism. Working with them is a guarantee of satisfaction."

María Zabala

Partner at Abbantia Law Firm

"We have collaborated with Codex Traducciones throughout our internationalization process, helping us translate contracts, documents, etc. The agility and closeness has been excellent throughout the process."

Erlantz Zuberogoitia

Sales Manager, Electroimanes NAFSA S.L.

"Codex's translation service is impeccable, fast, and always punctual."

Verónica Meana

Aiyon Abogados S.L.P.

"Maria's job was terrific. I sent her an email with the details about what I needed and in less than 24hs I had my document sworn translated. I was in a hurry and she was capable of helping. She was so brilliant that while her competitors were not even able to answer the email and provide the quote, I was already with a certified version of the translation in my email. I really recommend her work."

Luiz Pereira

"Many thanks to Codex Traducciones for the work done in translating my documents. Everything was done within the agreed timeframe and taking into account the client's wishes. I am very satisfied. I recommend it!"

Stranadko Natalia

"Fantastic attention and professionalism! Without a doubt, if I need another translation, I will go to Codex."

Mercedes Rein-Loring

"I have used their services several times and they are very fast and efficient."

Lourdes de AF

FAQs

Check our frequently asked questions page. If you have any questions that we might have missed, you can contact us.

Expand your borders

Our clients vouch for us.

FAQs

What exactly is a sworn translator?

Is it essential to present the original document to make a sworn translation?

What conditions must a sworn translation meet to be legalized?

What is the delivery time for a sworn translation?

How are translations delivered?

How is payment made?