Company lists · Data verified August 2026

Top 25 Carbon accounting firms based in France

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 490 companies tracked

There are 490 carbon accounting firms headquartered in France (RevenueBase, August 2026). RevenueBase tracks 16,379 professional contacts across them, including 4,141 with verified work emails and 224 with mobile numbers. Paris is the largest hub.

This list covers carbon accounting 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.

490Companies

16,379Contacts tracked

4,141Verified emails

224Mobile numbers

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The 25 largest carbon accounting firms based in France

Ranked by team size

Top 25 of 490 carbon accounting 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	Greenflex	Paris	501-1,000	400	211
3	Greenly	Paris	51-200	308	198
4	SWEEP	Montpellier	51-200	188	118
5	Tennaxia	Bordeaux	51-200	167	103
6	EVEA	Troyes	51-200	164	113
7	R3	Paris	51-200	159	118
8	ARP Astrance	Paris	51-200	106	47
9	ROZO	Paris	51-200	89	59
10	Utopies	Paris	51-200	82	42
11	Etamine	Lille	51-200	81	63
12	New-E	Paris	51-200	72	52
13	Ekodev	Lyon	51-200	70	50
14	Aktio Apave Group	Paris	51-200	62	40
15	Wecount	Lyon	11-50	51	34
16	Primum NON Nocere	Beziers	11-50	45	26
17	O2m	Rennes	11-50	44	24
18	Akéa Énergies	Poitiers	51-200	40	25
19	Agence Déclic	Lyon	11-50	29	21
20	CAP Terre Betom Group	Velizy-Villacoublay	11-50	29	16
21	IJO	Puteaux	11-50	29	13
22	Batimgie	Angers	11-50	27	21
23	Oksigen	Nantes	11-50	27	13
24	AIA Environnement	Lyon	11-50	26	15
25	Haltive	Villeneuve-Dascq	11-50	26	9

Showing 25 of 490 carbon accounting firms based in France

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Carbon accounting firms based in France at a glance

As of Aug 28, 2026

1-10Median size (employees)

ParisLargest hub · 126 HQs

224Contacts with mobile numbers

20Emails re-verified in last 30 days

Companies by employee count

1-10

397

11-50

51-200

501-1,000

10001+

Carbon accounting firms by metro

Metro	Companies
Carbon accounting firms in Paris	126
Carbon accounting firms in Lyon	29
Carbon accounting firms in Nantes	15
Carbon accounting firms in Toulouse	14
Carbon accounting firms in Montpellier	10
Carbon accounting firms in Lille	6
Carbon accounting firms in Angers	6

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 “carbon accounting 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; 20 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 carbon accounting firms are there based in France?

There are 490 carbon accounting 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 carbon accounting firms?

Paris leads with 126 headquartered companies, followed by Lyon (29) and Nantes (15).

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 4,141 verified decision-maker contacts tracked across these 490 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.