Company lists · Data verified August 2026

Top 25 Climate consulting firms based in France

Name: Climate 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 1,242 companies tracked

There are 1,242 climate consulting firms headquartered in France (RevenueBase, August 2026). RevenueBase tracks 25,033 professional contacts across them, including 7,289 with verified work emails and 416 with mobile numbers. Paris is the largest hub.

This list covers climate 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.

1,242Companies

25,033Contacts tracked

7,289Verified emails

416Mobile numbers

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The 25 largest climate consulting firms based in France

Ranked by team size

Top 25 of 1,242 climate 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	Inddigo	Chambery	201-500	442	287
4	Greenflex	Paris	501-1,000	400	211
5	Manergy	Creteil	501-1,000	311	207
6	Eodd Ingénieurs Conseils	La Rochelle	201-500	279	212
7	Altereo	Paris	51-200	222	144
8	Nepsen	Vincennes	51-200	219	136
9	Carbone 4	Paris	51-200	208	120
10	A2 Consulting	Paris	51-200	188	72
11	R3	Paris	51-200	159	118
12	Yélé Consulting	Le Carillon	51-200	142	90
13	Setec Énergie Environnement	Paris	51-200	141	52
14	Synergis Environnement	Heillecourt	51-200	132	90
15	Tauw France	Bordeaux	51-200	110	59
16	ARP Astrance	Paris	51-200	106	47
17	Sinteo	Paris	51-200	95	67
18	LGI Sustainable Innovation	Marseille	51-200	91	51
19	ROZO	Paris	51-200	89	59
20	Utopies	Paris	51-200	82	42
21	Etamine	Lille	51-200	81	63
22	Métiga	Paris	51-200	80	17
23	Solab Ingénierie & Environnement	Rennes	51-200	73	49
24	New-E	Paris	51-200	72	52
25	CITAE	Chartres-De-Bretagne	51-200	71	25

Showing 25 of 1,242 climate consulting firms based in France

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Climate consulting firms based in France at a glance

As of Aug 28, 2026

1-10Median size (employees)

ParisLargest hub · 264 HQs

416Contacts with mobile numbers

29Emails re-verified in last 30 days

Companies by employee count

1-10

936

11-50

221

51-200

201-500

501-1,000

1,001-5,000

10001+

Climate consulting firms by metro

Metro	Companies
Climate consulting firms in Paris	264
Climate consulting firms in Lyon	53
Climate consulting firms in Toulouse	27
Climate consulting firms in Nantes	23
Climate consulting firms in Montpellier	21
Climate consulting firms in Bordeaux	20
Climate consulting firms in Lille	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 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; 29 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 consulting firms are there based in France?

There are 1,242 climate 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 consulting firms?

Paris leads with 264 headquartered companies, followed by Lyon (53) and Toulouse (27).

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 7,289 verified decision-maker contacts tracked across these 1,242 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.