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.
About us
Over nearly 40 years of activity, our group has established its identity and built a strong engineering culture.
PROLOG INGENIERIE s’appuie sur une cinquantaine de collaborateurs qui possèdent une large expérience dans les domaines de l’eau et l’environnement. Ils peuvent intervenir à un niveau adapté aux besoins, comme conseiller, expert ou encore maître d’œuvre.

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” (Water, Energy, and Infrastructure).
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
SEMINAIRE EAU 2024 : Rencontre des équipes PROLOG INGENIERIE et Cycle de l’Eau d’INFRANEO
Le vendredi 13 décembre 2024, l’ensemble des collaborateurs du groupe PROLOG INGENIERIE du Cycle de l’Eau d’INFRANEO se sont retrouvés lors d’une Journée Partage & Compétition. Retour sur cet événement. Contexte : Acquisition de PROLOG INGENIERIE par INFRANEO...
Participation au forum des entreprises de l’INP – ENSE3 – 2024
Le mercredi 10 octobre 2024, PROLOG INGENIERIE a participé au forum des entreprises à INP-ENSE³. Retour sur cette journée. Un rendez-vous régulier pour PROLOG INGENIERIE Depuis de nombreuses années, la société participe régulièrement au forum des entreprises de...
Changement de logos pour PROLOG INGENIERIE et SIGT
PROLOG INGENIERIE et sa filiale informatique SIGT ont de nouveaux logos. Bref retour sur ce changement d’identité visuelle.
Acquisition du groupe PROLOG INGENIERIE par INFRANEO
Jeudi 20 juin, PROLOG INGENIERIE et ses 2 filiales SAGEE et SIGT ont rejoint le groupe INFRANEO, qui est un « acteur majeur sur la scène de l’ingénierie » (Eau, Énergie et Infrastructures). « Quarante ans après la création du Groupe Prolog, je suis heureux...
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