Company lists · Data verified August 2026

Top 25 Climate change consulting firms based in France

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 1,381 companies tracked

There are 1,381 climate change consulting firms headquartered in France (RevenueBase, August 2026). RevenueBase tracks 28,878 professional contacts across them, including 8,802 with verified work emails and 502 with mobile numbers. Paris is the largest hub.

This list covers climate change consulting 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.

1,381Companies

28,878Contacts tracked

8,802Verified emails

502Mobile numbers

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The 25 largest climate change consulting firms based in France

Ranked by team size

Top 25 of 1,381 climate change consulting 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	Engie Solutions France	La Garenne-Colombes	10001+	12,028	2,159
2	BTP Consultants	Pessac	201-500	1,069	297
3	Biotope	Meze	201-500	524	309
4	Ginger Sofreco	Clichy	51-200	467	54
5	Inddigo	Chambery	201-500	442	287
6	Greenflex	Paris	501-1,000	400	211
7	Manergy	Creteil	501-1,000	311	207
8	Eodd Ingénieurs Conseils	La Rochelle	201-500	279	212
9	Seureca	Aubervilliers	201-500	251	129
10	Altereo	Paris	51-200	222	144
11	Nepsen	Vincennes	51-200	219	136
12	Willing	Bordeaux	201-500	218	125
13	G.A.C. Group GAC France	Lille	201-500	201	146
14	A2 Consulting	Paris	51-200	188	72
15	Espelia	Bordeaux	51-200	166	112
16	R3	Paris	51-200	159	118
17	Yélé Consulting	Le Carillon	51-200	142	90
18	Setec Énergie Environnement	Paris	51-200	141	52
19	Synergis Environnement	Heillecourt	51-200	132	90
20	Soler IDE	St-Cannat	51-200	115	81
21	Tauw France	Bordeaux	51-200	110	59
22	OTIMO	Boulogne-Billancourt	51-200	109	42
23	SNECI	n/a	51-200	107	57
24	ARP Astrance	Paris	51-200	106	47
25	Sinteo	Paris	51-200	95	67

Showing 25 of 1,381 climate change consulting firms based in France

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Climate change consulting firms based in France at a glance

As of Aug 28, 2026

1-10Median size (employees)

ParisLargest hub · 333 HQs

502Contacts with mobile numbers

33Emails re-verified in last 30 days

Companies by employee count

1-10

1,048

11-50

237

51-200

201-500

501-1,000

1,001-5,000

10001+

Climate change consulting firms by metro

Metro	Companies
Climate change consulting firms in Paris	333
Climate change consulting firms in Lyon	57
Climate change consulting firms in Bordeaux	30
Climate change consulting firms in Nantes	26
Climate change consulting firms in Toulouse	26
Climate change consulting firms in Montpellier	24
Climate change consulting firms in Marseille	14

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 “climate change consulting 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; 33 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 climate change consulting firms are there based in France?

There are 1,381 climate change consulting firms headquartered in France as of August 2026 (RevenueBase).

What is the largest company on this list?

Engie Solutions France, headquartered in La Garenne-Colombes, tops this list with the largest team on record.

Which city has the most climate change consulting firms?

Paris leads with 333 headquartered companies, followed by Lyon (57) and Bordeaux (30).

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 8,802 verified decision-maker contacts tracked across these 1,381 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.