How to ensure the protection of the environment, property, and people?
Innovation
How to ensure a more efficient water management through innovation?
The Innovation Division works across all the divisions that structure PROLOG INGENIERIE. Its main mission is to implement cutting-edge digital technologies for the sustainable development of cities and territories.
Innovation
How to ensure a more efficient water management through innovation?
The Innovation Division works across all the divisions that structure PROLOG INGENIERIE. Its main mission is to implement cutting-edge digital technologies for the sustainable development of cities and territories.
Sanitation Division
What solutions can be proposed to support the ecological transition ?
We provide our clients with a robust expertise in urban hydrology and hydraulics to design solutions that provide bridges for the ecological transition.
Risks and Aquatic Environments Division
How to adapt to climate change and the increasing risks to public health and aquatic environments?
The Risks and Aquatic Environments Division offers a wide range of expertise and supports territories in their efforts to adapt to risks and to implement strategies towards and integrated water management.
Drinking Water Division
How to improve the performance of drinking water supply systems?
We conduct studies to enhance the understanding of drinking water supply systems and to identify the investments needed to improve the quality of the water distribution service.
IT Division SIGT
How can you secure and enhance your environmental data ?
Since 1989, SIGT has been developing specialized software solutions dedicated to the processing, analysis, and validation of data related to water and the environment. This IT expertise complements the group’s core areas by delivering powerful digital tools for effective environmental data management.
About us
Over nearly 40 years of activity, our group has established its identity and built a strong engineering culture.
PROLOG INGENIERIE relies on a team of around fifty professionals with extensive experience in the fields of water resources and environmental engineering. Engineers can operate at a level tailored to specific needs, acting as advisors, experts, or project managers.
About us
Over nearly 40 years of activity, our group has established its identity and built a strong engineering culture.
PROLOG INGENIERIE relies on a team of around fifty professionals with extensive experience in the fields of water resources and environmental engineering. Engineers can operate at a level tailored to specific needs, acting as advisors, experts, or project managers.
Our Values

Client Satisfaction
Attentive to its clients and committed to daily collaboration, PROLOG INGENIERIE offers tailored and customized solutions for each of its services.

Independence
PROLOG INGENIERIE is an engineering firm independent of any financial or industrial group, ensuring objectivity in all the assignments entrusted to it.

Expertise and High Added Value
PROLOG INGENIERIE brings together a team of experienced engineers, researchers, and geomatics specialists from top-tier educational backgrounds. Their training and expertise are key to ensuring the quality of our services.
Key Figures
More than 60 clients per year
Over 300 projects per year
Nearly 40 years of expertise
infraneo
PROLOG INGENIERIE: A member of the INFRANEO Group
Since June 2024, PROLOG INGENIERIE has joined the INFRANEO Group, “a major player in the engineering sector” (Structures, Soil and Water).
By joining the INFRANEO Group, PROLOG INGENIERIE brings its expertise and know-how in water and environmental management to the group, with a strong commitment to sharing its expertise and creating new synergies with the teams of the INFRANEO Group.
Over 300 Projects Per Year for Major Water Industry Players
Right Now
Our Latest News & Recent Activities
Réunion-communication du groupe PROLOG INGENIERIE
Le mardi 10 mai 2022, le groupe PROLOG INGENIERIE a tenu une réunion-communication non loin de son siège, au théâtre-restaurant La Scala. L’occasion pour les collaborateurs de PROLOG INGENIERIE, de SAGEE et de SIGT, répartis sur les sites de Paris, de Lyon et de...
PROLOG INGENIERIE et l’eau dans la ville : la réouverture de la Bièvre à Arcueil/Gentilly
Depuis le 14 mars 2022, la Bièvre coule à nouveau à Arcueil et à Gentilly (Val-de-Marne), dans le parc du Coteau-de-Bièvre. Une renaissance chargée d’émotion pour PROLOG INGÉNIERIE, qui a participé à cet événement. Retour sur l’Histoire entre la Bièvre et notre entreprise aboutissant à cette réouverture.
Développement d’un outil de modélisation de la contamination fécale dans les rivières à écoulement turbulent – Application aux rivières de l’agglomération Parisienne – Seine et Marne (France)
La modélisation numérique est un outil puissant afin de suivre la qualité des eaux de rivière. L'approche modélisation avec TELEMAC-2D et son module qualité WAQTEL permet de représenter non seulement l'évolution longitudinale de la pollution mais également sa...
L’innovation au cœur de la stratégie de PROLOG INGENIERIE
Depuis sa création en 1984, l’innovation est au cœur de la stratégie de PROLOG INGENIERIE. Pour preuve, vous trouverez dans cet article une sélection de publications démontrant toute l'importance de l'innovation au sein de notre entreprise. Tout d'abord, ces 2...
Our Offices
PARIS
PROLOG INGENIERIE et SAGEE
69-71 Rue du Chevaleret – 75013 PARIS
Téléphone : 01 45 23 49 77
prolog@prolog-ingenierie.fr

LYON
PROLOG INGENIERIE et SAGEE
11, rue Auguste Lacroix – 69003 LYON
Téléphone : 04 72 44 67 67
prolog@prolog-ingenierie.fr

BORDEAUX
PROLOG INGENIERIE et SAGEE
12, Rue du Manège – 33000 BORDEAUX
Téléphone : 05 57 78 68 97
prolog@prolog-ingenierie.fr






