Company lists · Data refreshed September 2026

Top 25 Hydrogeological consulting firms based in France

Name: Hydrogeological consulting firms based in France
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 3, 2026 575 companies tracked

RevenueBase identified 575 company matches for hydrogeological consulting firms associated with France as of September 2026 and tracks 8,307 professional contacts across them, including 3,231 with verified work emails and 117 with mobile numbers. Paris is the largest hub.

This list covers company matches for hydrogeological consulting firms associated with France, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 3, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 3, 2026 How this list was built

575Companies

8,307Contacts tracked

3,231Verified emails

117Mobile numbers

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The 25 largest hydrogeological consulting firms based in France

Ranked by team size

Top 25 of 575 company matches for hydrogeological consulting firms based in France, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 3, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Antea Group - France	Exact match	Olivet, FranceHQ recorded Sep 3, 2026	1,001-5,000	773 contacts →
	Exact match “Antea Group est une société internationale d’ingénierie et de conseil en environnement.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
2	Groupe Géotec	Exact match	Quetigny, FranceHQ recorded Sep 3, 2026	501-1,000	445 contacts →
	Exact match “Groupe Géotec, bureau d’études en ingénierie géotechnique et environnementale, créé en 1973, conseille l’ensemble des interlocuteurs de l’acte de construire : maîtres d’ouvrage…” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
3	Neo2	Exact match	Levallois-perret, FranceHQ recorded Sep 3, 2026	501-1,000	382 contacts →
	Exact match “NEO2 is an Engineering Consultancy and Resource Provider active in the Oil & Gas, Water Treatment & Desalination, and Power Generation industries.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
4	ECR Environnement	Exact match	Larmor Plage, FranceHQ recorded Sep 3, 2026	201-500	377 contacts →
	Exact match “ECR Environnement est un bureau d’études et de conseils en ingénierie des sols, pluridisciplinaire et indépendant qui accompagne depuis les particuliers et professionnels dans…” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
5	Altereo	Exact match	Venelles, FranceHQ recorded Sep 3, 2026	51-200	222 contacts →
	Exact match “Awakening Environmental Smartness.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
6	Setec Énergie Environnement	Exact match	Paris, FranceHQ recorded Sep 3, 2026	51-200	141 contacts →
	Exact match “Setec énergie environnement is a subsidiary of the setec group, one of France’s leading engineering firms (3 300 employees).” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
7	Geotechnique SAS	Exact match	Avignon, FranceHQ recorded Sep 3, 2026	51-200	134 contacts →
	Exact match “GEOTECHNIQUE SAS - Sciences de la Terre est un bureau d'études en ingénierie géotechnique qui apporte son savoir-faire à l'ensemble des protagonistes intervenant dans un projet de…” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
8	Artifex	Exact match	Albi, FranceHQ recorded Sep 3, 2026	51-200	124 contacts →
	Exact match “ARTIFEX, une société de SOCOTEC est un bureau d’ingénierie et de conseil en environnement, créé en janvier 1983 et basé à Albi dans le Tarn.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
9	Soler IDE	Exact match	Massy, FranceHQ recorded Sep 3, 2026	51-200	115 contacts →
	Exact match “SOLER IDE est l’un des leaders français du Conseil en Environnement.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
10	Semofi	Exact match	Villeneuve-le-roi, FranceHQ recorded Sep 3, 2026	51-200	114 contacts →
	Exact match “Filiale du Groupe SEMOFI, acteur majeur des filières géotechnique et SSP, SEMOFI est un bureau d’études dont la vocation est d’accompagner les collectivités territoriales…” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
11	PCM Ingenierie	Exact match	Saint-Mande, FranceHQ recorded Sep 3, 2026	51-200	95 contacts →
	Exact match “PCM ingénierie est un groupe de BET pluridisciplinaires regroupés au sein de 7 sociétés : PCM GEODATA : Constitué de SECTEUR créé en 1992, intégré à PCM en 2013 et GEOVIVIER créé…” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
12	Ingetec Ingénierie	Exact match	Paris, FranceHQ recorded Sep 3, 2026	11-50	90 contacts →
	Exact match “Parce que le développement durable des territoires sur lesquels nous opérons est notre raison d’être, les experts d’Ingetec s’investissent chaque jour pour l’environnement…” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
13	Aquabio	Exact match	Saint-germain Du Puch, FranceHQ recorded Sep 3, 2026	51-200	82 contacts →
	Exact match “AQUABIO est un bureau d'études indépendant dont le métier est de produire, valoriser, expertiser des données hydrobiologiques.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
14	Envisol	Exact match	La Tour Du Pin, FranceHQ recorded Sep 3, 2026	51-200	70 contacts →
	Exact match “ENVISOL est une entreprise spécialisée dans le conseil et l’ingénierie offrant des prestations dans le domaine des sites et sols pollués.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
15	Ségic Ingénierie	Exact match	Verrières-le-buisson, FranceHQ recorded Sep 3, 2026	51-200	64 contacts →
	Exact match “SÉGIC Ingénierie est un acteur fort du Conseil dans les domaines de l’Environnement et des Infrastructures.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
16	Hydretudes	Exact match	Argonay, FranceHQ recorded Sep 3, 2026	51-200	61 contacts →
	Exact match “HYDRETUDES est un bureau d’études spécialisé dans l’ingénierie de l’eau, des risques naturels et de l’environnement.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
17	Dejante Infra	Exact match	Malemort, FranceHQ recorded Sep 3, 2026	51-200	59 contacts →
	Exact match “Nous regroupons un panel de 12 activités spécifiques et complémentaires pour vous accompagner dans la réalisation de vos projets en toute autonomie.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
18	Geolia	Exact match	Morangis, FranceHQ recorded Sep 3, 2026	51-200	58 contacts →
	Exact match “Bureau d'Etudes Géotechniques, Hydrogéologie et Sites et Sols Pollués, Ingénierie des sols et fondations.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
19	Prolog Ingenierie	Exact match	Paris, FranceHQ recorded Sep 3, 2026	51-200	56 contacts →
	Exact match “PROLOG INGENIERIE is a consulting engineering firm at the forefront of water management and remote-controlled systems, committed to enhancing water quality and environmental…” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
20	KAÉNA	Exact match	Saint Vincent De Mercuze, FranceHQ recorded Sep 3, 2026	51-200	54 contacts →
	Exact match “Bureau d'études géotechniques situé au coeur des Alpes (1 agence au Touvet et 1 agence à Annecy,1 agence à St Priest) ayant ses propres ateliers de sondages (5 foreuses dont 1…” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
21	Aquascop Sarl	Exact match	Beaucouzé, FranceHQ recorded Sep 3, 2026	51-200	53 contacts →
	Exact match “Aquascop est un bureau d´études indépendant spécialisé dans l´étude des milieux aquatiques, implantés sur 5 agences en France métropolitaine (Angers, Montpellier, Toulouse, Nancy…” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
22	Sage Ingenierie	Exact match	Gières, FranceHQ recorded Sep 3, 2026	51-200	51 contacts →
	Exact match “La Société Alpine Géotechnique (SAGE Ingénierie) est un bureau d'études de sols indépendant (SAS) dont les services couvrent toute l’ingénierie géotechnique spécifique aux…” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
23	Envolis	Exact match	Gujan-Mestras, FranceHQ recorded Sep 3, 2026	11-50	51 contacts →
	Exact match “ENVOLIS est un bureau d’études composé de scientifiques et de consultants qui réalisent des expertises environnementales dans les domaines de l’eau, du sol et de la biodiversité…” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
24	Amodiag Environnement	Exact match	Prouvy, FranceHQ recorded Sep 3, 2026	51-200	45 contacts →
	Exact match “AMÉLIORER LE MILIEU NATUREL ET LA QUALITÉ DE VIE DES USAGERS PAR LE BIAIS DU TRAITEMENT DE L'EAU POTABLE ET DES EAUX USÉES Expert du monde de l’eau, des déchets et des…” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
25	SEIRI	Exact match	Montpellier, FranceHQ recorded Sep 3, 2026	11-50	43 contacts →
	Exact match “Réaliser vos projets en toute SEIRInité!” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “hydrogeological consulting firms”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 575 hydrogeological consulting firms based in France

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Hydrogeological consulting firms based in France at a glance

As of Sep 3, 2026

38.9%Verified-email coverage

1.4%Mobile-number coverage

14.4Average contacts per company

1-10Median size (employees)

6.3%Largest-city concentration · Paris

Sep 3, 2026Page data refreshed

Companies by employee count

1-10

375

11-50

144

51-200

201-500

501-1,000

1,001-5,000

Freshness & accuracy

How recently the business emails on this list were verified

Email last verified

00–30

25631–60

1,94661–90

1,02990–180

0180+

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies: Company records associated with France whose business descriptions match “hydrogeological consulting firms” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Every displayed company carries at least one verified work email. RevenueBase tracks 3,231 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on September 3, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Hydrogeological consulting firms by metro

Hydrogeological consulting firms in Paris36

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “hydrogeological consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many hydrogeological consulting firms are there based in France?

RevenueBase identified 575 company matches for hydrogeological consulting firms associated with France as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Antea Group - France tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most hydrogeological consulting firms?

Paris leads with 36 company records, followed by Lyon (12) and Montpellier (9).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 3,231 professional contacts with verified work emails tracked across these 575 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 3, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.