(+ 351) 21 390 12 01 deltalingua@deltalingua.pt

Professional Translations and Language Consulting

We specialise in translations in the following areas: legal, pharmaceutical, technical, advertisingautomotive and information technology.


Did you know that …


last year Delta Língua translated more than two million five hundred thousand words? View some of our leading clients here.


Delta Língua has 5 PSI-20 companies among its clients (BANIF, BES, GALP, JERÓNIMO MARTINS and REN)?  View here some of our major clients.


Delta Língua’s clients include some of the largest law firms in Portugal? View here our list of clients in the area of legal translation.


“We confirm that the translation services we have been provided by Delta Língua have been of excellent quality, and would also like to commend them for their availability at all times and the fast delivery of any translations requested.”

Dr. Luís Horta

President of the , Portuguese Anti-Doping Authority

“Delta Língua’s service was fast, effective and very efficient. The level of the translations and their quality left me in no doubt about the professionalism of the work carried out.”

Nuno Roby Amorim

Press Attaché to the , Embassy of the Kingdom of Morocco – Lisbon

BASF Portuguesa would like to thank you for the services provided in recent years, which have always been carried out with the utmost professionalism and speed.”

Anabela Sousa

BASF Portuguesa

“Delta Língua and its staff always demonstrated a high level of flair and professional competence in carrying out all the work requested, being notable for their scrupulous compliance with agreed delivery times, which, in our field, is decisive to maintain full confidence.”

Dr. António Carvalho

Lawyer, António Figueiredo Carvalho & Associados – Sociedade de Advogados

“The company DELTA LÍNGUA has worked regularly with this law firm to provide translation services, having always shown the utmost professionalism in its provision of these services, ensuring a notable level of technical and terminological accuracy.
Indeed, the company in question has met our requirements with exemplary care, in terms of translation quality and compliance with delivery deadlines”

Dr. Miguel Elias

Lawyer, Vaz Serra de Moura & Associados – Sociedade de Advogados

“I have been a client of Delta Língua for many years, having used them for translations of academic texts and papers to be presented at international meetings.
The quality of the work has always been highly satisfactory and the prices charged are very competitive, for which reason I can recommend their services without reservation.”

Prof. Dr. Manuel de Almeida Ribeiro

Lawyer, (Galp Energia)