Company lists · Data verified August 2026

Top 25 Environmental consultancy firms based in France

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 1,552 companies tracked

There are 1,552 environmental consultancy firms headquartered in France (RevenueBase, August 2026). RevenueBase tracks 24,348 professional contacts across them, including 10,472 with verified work emails and 408 with mobile numbers. Paris is the largest hub.

This list covers environmental consultancy firms headquartered in France, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

1,552Companies

24,348Contacts tracked

10,472Verified emails

408Mobile numbers

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The 25 largest environmental consultancy firms based in France

Ranked by team size

Top 25 of 1,552 environmental consultancy firms based in France, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Vulcain Engineering Group	n/a	5,001-10,000	1,484	879
2	BTP Consultants	Pessac	201-500	1,069	297
3	Antea Group - France	Colmar	1,001-5,000	773	512
4	SCE Aménagement & Environnement	n/a	501-1,000	599	398
5	Fondasol	Avignon	501-1,000	527	259
6	Biotope	Meze	201-500	524	309
7	Cabinet Merlin	Lyon	501-1,000	482	265
8	Groupe Géotec	Reims	501-1,000	445	287
9	ECR Environnement	Larmor Plage	201-500	377	222
10	VERDI	Wasquehal	201-500	363	159
11	ADX Groupe	Chateau-Gontier	201-500	340	160
12	Brézillon	Saint-Porchaire	51-200	288	82
13	Eodd Ingénieurs Conseils	La Rochelle	201-500	279	212
14	Seureca	Aubervilliers	201-500	251	129
15	BERIM	Paris	201-500	247	129
16	Altereo	Paris	51-200	222	144
17	Ep2c	Balma	501-1,000	211	64
18	Setec Hydratec	Paris	201-500	183	109
19	Écosphère	Vienne	201-500	174	131
20	Tennaxia	Bordeaux	51-200	167	103
21	EVEA	Troyes	51-200	164	113
22	R3	Paris	51-200	159	118
23	CEREG	Aubagne	51-200	149	91
24	Naldeo	Guyancourt	201-500	139	94
25	Synergis Environnement	Heillecourt	51-200	132	90

Showing 25 of 1,552 environmental consultancy firms based in France

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Environmental consultancy firms based in France at a glance

As of Aug 28, 2026

1-10Median size (employees)

ParisLargest hub · 188 HQs

408Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

1,087

11-50

330

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

Environmental consultancy firms by metro

Metro	Companies
Environmental consultancy firms in Paris	188
Environmental consultancy firms in Lyon	58
Environmental consultancy firms in Montpellier	25
Environmental consultancy firms in Bordeaux	21
Environmental consultancy firms in Toulouse	21
Environmental consultancy firms in Nantes	20
Environmental consultancy firms in Lille	18

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “environmental consultancy firms”, with match quality audited by blind human judging, and headquartered in France.
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: Contact records re-verify on a rolling cadence; 0 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many environmental consultancy firms are there based in France?

There are 1,552 environmental consultancy firms headquartered in France as of August 2026 (RevenueBase).

What is the largest company on this list?

Vulcain Engineering Group, headquartered in France, tops this list with the largest team on record.

Which city has the most environmental consultancy firms?

Paris leads with 188 headquartered companies, followed by Lyon (58) and Montpellier (25).

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 10,472 verified decision-maker contacts tracked across these 1,552 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.