Company lists · Data refreshed September 2026

Top 25 Site assessment and testing companies based in France

Name: Site assessment and testing companies based in France
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 22, 2026 502 companies tracked

RevenueBase identified 502 site assessment and testing companies headquartered in France as of September 2026 and tracks 3,505 professional contacts across them, including 1,033 with verified work emails. Paris is the largest hub.

This list covers site assessment and testing companies headquartered in France, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 22, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 22, 2026 86% judged on-target in blind review

502Companies

3,505Contacts tracked

1,033Verified emails

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The 25 largest site assessment and testing companies based in France

Ranked by team size

Top 25 of 502 site assessment and testing companies based in France, ranked by team size, largest first. Data refreshed Sep 22, 2026. RevenueBase Smart Search rates how each company's information relates to site assessment and testing companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	ITGA	Indirect evidence	Saint-grégoire, FranceHQ checked Sep 22, 2026	501-1,000	557 contacts →
	Indirect evidence “ITGA, entreprise nationale fondée en 1994, dont le siège social est situé à Rennes, accompagne depuis 30 ans, tous les professionnels dans la résolution optimale de leurs…” Source: RevenueBase Database · checked Sep 22, 2026
2	ADX Groupe	Indirect evidence	Château-gontier, FranceHQ checked Sep 22, 2026	201-500	343 contacts →
	Indirect evidence “ADX Groupe, votre bureau d'études de l'existant - Réalisation de diagnostics immobiliers obligatoires lors de la transaction ou location des biens- Recherche d’amiante dans tous…” Source: RevenueBase Database · checked Sep 22, 2026
3	AED Groupe	Indirect evidence	Mérignac, FranceHQ checked Sep 22, 2026	51-200	99 contacts →
	Indirect evidence “A votre service depuis 2007, AED GROUPE est un cabinet polyvalent de diagnostics immobiliers, capable d’intervenir tant pour les particuliers (dans le cadre des transactions…” Source: RevenueBase Database · checked Sep 22, 2026
4	Envisol	Partial evidence	La Tour Du Pin, FranceHQ checked Sep 22, 2026	51-200	70 contacts →
	Partial evidence “ENVISOL est une entreprise spécialisée dans le conseil et l’ingénierie offrant des prestations dans le domaine des sites et sols pollués.” Source: RevenueBase Database · checked Sep 22, 2026
5	KAÉNA	Indirect evidence	Saint Vincent De Mercuze, FranceHQ checked Sep 22, 2026	51-200	53 contacts →
	Indirect evidence “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…” Source: RevenueBase Database · checked Sep 22, 2026
6	Groupe Qualitat	Indirect evidence	Clichy Cedex, FranceHQ checked Sep 22, 2026	51-200	52 contacts →
	Indirect evidence “Depuis 2004, Groupe Qualitat propose à ses clients des solutions d’accompagnement pour la réalisation de l’ensemble des prestations de diagnostic technique du bâtiment et de…” Source: RevenueBase Database · checked Sep 22, 2026
7	Fondouest	Indirect evidence	Longueville, FranceHQ checked Sep 22, 2026	51-200	42 contacts →
	Indirect evidence “FONDOUEST is a construction company based out of ZONE ARTISANALE 727 RUE DU PONT CE, LONGUEVILLE, France.” Source: RevenueBase Database · checked Sep 22, 2026
8	Socobat Expertises	Indirect evidence	Caluire, FranceHQ checked Sep 22, 2026	51-200	42 contacts →
	Indirect evidence “Socobat Expertise est un bureau d'étude spécialisé dans la gestion des risques amiante et plomb et s'adresse à l'ensemble des gestionnaires de patrimoine (habitat social…” Source: RevenueBase Database · checked Sep 22, 2026
9	Inaxe Energie & Environnement	Indirect evidence	Rueil Malmaison, FranceHQ checked Sep 22, 2026	51-200	35 contacts →
	Indirect evidence “INAXE est un expert des polluants du bâtiment qui évolue au stade de la rénovation, réhabilitation, démolition, au travers de 3 pôles : le DIAGNOSTIC, la MAITRISE D’ŒUVRE et…” Source: RevenueBase Database · checked Sep 22, 2026
10	Diagadom	Indirect evidence	Chelles, FranceHQ checked Sep 22, 2026	11-50	35 contacts →
	Indirect evidence “La société DIAGADOM est spécialisée dans le domaine du diagnostic immobilier.” Source: RevenueBase Database · checked Sep 22, 2026
11	Chevalier Diag	Indirect evidence	Cherbourg, FranceHQ checked Sep 22, 2026	51-200	29 contacts →
	Indirect evidence “Spécialiste depuis 2008 du diagnostic immobilier et enrobés Chevalier Diag intervient sur l'ensemble du quart Nord Ouest pour les diagnostics- Amiante (DTA - RAAT - RAD - etc.)-…” Source: RevenueBase Database · checked Sep 22, 2026
12	Domobat Expertises	Indirect evidence	Le Teil, FranceHQ checked Sep 22, 2026	11-50	26 contacts →
	Indirect evidence “Agir en acteur responsable pour un monde plus fiable, durable et porteur de progrès partagés.” Source: RevenueBase Database · checked Sep 22, 2026
13	Laboratoires Areia Environnement	Indirect evidence	Grand Bourgtheroulde, FranceHQ checked Sep 22, 2026	11-50	26 contacts →
	Indirect evidence “Les laboratoires Aréia Environnement, créés en 2012, sont spécialisés en analyses physico-chimiques dans les domaines de la santé du bâtiment, des infrastructures industrielles…” Source: RevenueBase Database · checked Sep 22, 2026
14	Solpol	Indirect evidence	Grigny, FranceHQ checked Sep 22, 2026	11-50	23 contacts →
	Indirect evidence “Nos agences : SOLPOL IDF (Ile-de-France) SOLPOL PACA (Provence-Alpes-Côte d'Azur) SOLPOL AURA (Auvergne Rhône Alpes) SOLPOL NOVA (Nouvelle Aquitaine) Fondée en 2012, la société…” Source: RevenueBase Database · checked Sep 22, 2026
15	Inovadia	Indirect evidence	Quimper, FranceHQ checked Sep 22, 2026	11-50	23 contacts →
	Indirect evidence “INOVADIA est un bureau d’études indépendant spécialisé en conseils et études en environnement.” Source: RevenueBase Database · checked Sep 22, 2026
16	APC Ingenierie	Indirect evidence	Vigneux-de-bretagne, FranceHQ checked Sep 22, 2026	11-50	21 contacts →
	Indirect evidence “Notre bureau d'études est spécialisé en géotechnique, géologie, hydrogéologie, environnement et diagnostic pollution, essais sur béton et matériaux de la construction, contrôle et…” Source: RevenueBase Database · checked Sep 22, 2026
17	Ingeos	Partial evidence	Annecy-le-vieux, FranceHQ checked Sep 22, 2026	11-50	21 contacts →
	Partial evidence “INGEOS est un bureau d’études spécialisé depuis plus de 15 ans dans l'Ingénierie du Bâtiment et l’Ingénierie des Sites & Sols Pollués.” Source: RevenueBase Database · checked Sep 22, 2026
18	LEI	Indirect evidence	Vénissieux, FranceHQ checked Sep 22, 2026	11-50	20 contacts →
	Indirect evidence “Le Bureau d’Etudes LEI a été fondé en 1995 il se positionne dans le domaine du diagnostic immobilier et de la prévention des risques et de la sécurité dans le bâtiment et les…” Source: RevenueBase Database · checked Sep 22, 2026
19	HPC International SAS	Indirect evidence	Roscoff, FranceHQ checked Sep 22, 2026	11-50	19 contacts →
	Indirect evidence “Bureau d’étude en Santé-Environnement situé sur Roscoff, HPC INTERNATIONAL est une des filiales du groupe HPC AG, l’une des principales sociétés du secteur de l’environnement en…” Source: RevenueBase Database · checked Sep 22, 2026
20	Bc2e	Indirect evidence	La Chapelle-sur-erdre, FranceHQ checked Sep 22, 2026	1-10	19 contacts →
	Indirect evidence “Diagnostics Immobiliers : DPE - ELEC - GAZ - AMIANTE - PLOMB - TERMITE - MESURAGE SURFACE - ERP AMIANTE & PLOMB AVANT TRAVAUX & DEMOLITION #Diagnostics #vente #location…” Source: RevenueBase Database · checked Sep 22, 2026
21	CAE Concept Assainissement Environnement	Indirect evidence	Santeny, FranceHQ checked Sep 22, 2026	11-50	17 contacts →
	Indirect evidence “CAE, créé en 2004 est un bureau d’étude indépendant, de contrôle, et d’expertise dans le domaine de l’assainissement et de l’environnement.” Source: RevenueBase Database · checked Sep 22, 2026
22	EACM	Indirect evidence	Paris, FranceHQ checked Sep 22, 2026	11-50	15 contacts →
	Indirect evidence “EACM est une équipe d’experts au service de la terre.” Source: RevenueBase Database · checked Sep 22, 2026
23	EGEH	Indirect evidence	Limoges, FranceHQ checked Sep 22, 2026	11-50	15 contacts →
	Indirect evidence “From its creation in 1994, our company has been involved in those environmental areas where it can display the expertise of its team of geologists and hydrogeologists.” Source: RevenueBase Database · checked Sep 22, 2026
24	Légimétrie	Indirect evidence	Marseille, FranceHQ checked Sep 22, 2026	11-50	15 contacts →
	Indirect evidence “Légimétrie est l'un des acteurs historiques du diagnostic immobilier sur Marseille et sa région depuis 2002, par son sérieux, sa fiabilité, sa réactivité et la qualité de ses…” Source: RevenueBase Database · checked Sep 22, 2026
25	Analy-Co	Indirect evidence	Nanterre, FranceHQ checked Sep 22, 2026	51-200	15 contacts →
	Indirect evidence “ANALY-CO réalise des analyses et des études en environnement depuis 1971.” Source: RevenueBase Database · checked Sep 22, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: site assessment and testing companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names site assessment and testing companies.
Partial evidence: Its own public description names part of site assessment and testing companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name site assessment and testing companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 502 site assessment and testing companies based in France

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Site assessment and testing companies based in France at a glance

As of Sep 22, 2026

29.5%Verified-email coverage

7.0Average contacts per company

1-10Median size (employees)

5.2%Largest-city concentration · Paris

Sep 22, 2026Page data refreshed

Companies by employee count

1-10

399

11-50

51-200

201-500

501-1,000

Email recency for this list is measured worldwide rather than for France, so it is reported there. Company counts and contact totals on this page are exact for France, over 502 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among site assessment and testing companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in France whose own description of what they do matches “site assessment and testing companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names site assessment and testing companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among site assessment and testing companies, and records with no verified work email. Companies headquartered outside France are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 1,033 across the full list. 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 22, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Site assessment and testing companies by metro

Site assessment and testing companies in Paris26

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names site assessment and testing companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many site assessment and testing companies are there based in France?

RevenueBase identified 502 site assessment and testing companies headquartered in France as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

ITGA, headquartered in Saint-Gregoire, tops this list with the largest team on record.

Which city has the most site assessment and testing companies?

Paris leads with 26 headquartered companies, followed by Lyon (9) and Lille (6).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 1,033 verified decision-maker contacts tracked across these 502 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 22, 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 Smart Search, 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.