Company lists · Data refreshed September 2026

Top 25 City climate action planning firms based in France

Name: City climate action planning firms based in France
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 19, 2026 132 companies tracked

RevenueBase identified 132 city climate action planning firms headquartered in France as of September 2026 and tracks 15,825 professional contacts across them, including 4,198 with verified work emails. Paris is the largest hub.

This list covers city climate action planning firms 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 19, 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 19, 2026 86% judged on-target in blind review

132Companies

15,825Contacts tracked

4,198Verified emails

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The 25 largest city climate action planning firms based in France

Ranked by team size

Top 25 of 132 city climate action planning firms based in France, ranked by team size, largest first. Data refreshed Sep 19, 2026. RevenueBase Smart Search rates how each company's information relates to city climate action planning firms: 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	Engie Solutions France	Partial evidence	La Garenne-colombes, FranceHQ checked Sep 19, 2026	10001+	12,011 contacts →
	Partial evidence “Les activités Infrastructures Energétiques Locales d’ENGIE accompagnent les collectivités, les industries et le secteur du bâtiment sur la voie de la décarbonation.” Source: RevenueBase Database · checked Sep 19, 2026
2	Cerema	Partial evidence	Lyon, FranceHQ checked Sep 19, 2026	1,001-5,000	1,951 contacts →
	Partial evidence “Le Cerema, référent public en aménagement, accompagne l’État, les collectivités et les entreprises pour adapter les territoires au changement climatique.” Source: RevenueBase Database · checked Sep 19, 2026
3	Carbone 4	Indirect evidence	Paris, FranceHQ checked Sep 19, 2026	51-200	208 contacts →
	Indirect evidence “Founded by Alain Grandjean and Jean-Marc Jancovici, Carbone 4 is a leading independent consulting firm, specialized in energy transition, that offers its expertise to private or…” Source: RevenueBase Database · checked Sep 19, 2026
4	Altereo	Indirect evidence	Venelles, FranceHQ checked Sep 19, 2026	51-200	203 contacts →
	Indirect evidence “Awakening Environmental Smartness.” Source: RevenueBase Database · checked Sep 19, 2026
5	L'institut Paris Region	Partial evidence	St.-denis, FranceHQ checked Sep 19, 2026	201-500	175 contacts →
	Partial evidence “Digital transition, climate change, urban resilience, smart mobility, innovative ecosystems, sustainable development, collaborative economy, biodiversity, urban agriculture… In a…” Source: RevenueBase Database · checked Sep 19, 2026
6	Blunomy	Indirect evidence	Paris, FranceHQ checked Sep 19, 2026	51-200	122 contacts →
	Indirect evidence “Blunomy brings together deep sector knowledge, technical and data expertise, and real-world business and investment experience.” Source: RevenueBase Database · checked Sep 19, 2026
7	ARP Astrance	Indirect evidence	Paris, FranceHQ checked Sep 19, 2026	51-200	105 contacts →
	Indirect evidence “Aujourd’hui ARP Astrance regroupe plus de 100 collaborateurs et intervient en tant que conseil, AMO, project manager, BE environnement, écologue sur les projets en développement…” Source: RevenueBase Database · checked Sep 19, 2026
8	Utopies	Indirect evidence	Paris, FranceHQ checked Sep 19, 2026	51-200	81 contacts →
	Indirect evidence “UTOPIES is the top French consulting firm dedicated exclusively, since its creation in 1993, to the promotion of sustainable development through consulting and think tank…” Source: RevenueBase Database · checked Sep 19, 2026
9	New-E	Indirect evidence	Lyon, FranceHQ checked Sep 19, 2026	51-200	72 contacts →
	Indirect evidence “New-e, c'est la société de conseil opérationnel, spécialiste des métiers de la transition durable!” Source: RevenueBase Database · checked Sep 19, 2026
10	Agence Parisienne DU Climat	Partial evidence	Paris, FranceHQ checked Sep 19, 2026	11-50	64 contacts →
	Partial evidence “FB : https://bit.ly/2HVhW93 TW : https://bit.ly/2ykTFK3 Créée à l’initiative de la Ville de Paris en 2011, pour accompagner la mise en œuvre de son Plan Climat, l’Agence…” Source: RevenueBase Database · checked Sep 19, 2026
11	Association Bilan Carbone	Indirect evidence	Paris, FranceHQ checked Sep 19, 2026	11-50	64 contacts →
	Indirect evidence “The ABC is a French non-profit organization, mobilizing public and private stakeholders in the field of GHG emission reduction, coming from the business and consulting area to the…” Source: RevenueBase Database · checked Sep 19, 2026
12	Hectare	Indirect evidence	Vendargues, FranceHQ checked Sep 19, 2026	51-200	48 contacts →
	Indirect evidence “HECTARE URBANISME DURABLE met à profit son expertise de l’aménagement pour créer des lieux de vies; en appréhendant un site et en le transformant en adéquation avec son…” Source: RevenueBase Database · checked Sep 19, 2026
13	I4ce	Strong evidence	Paris, FranceHQ checked Sep 19, 2026	11-50	45 contacts →
	Strong evidence “The Institute for Climate Economics (I4CE) is an independent, non-profit think tank that puts economic analysis at the service of climate action.” Source: RevenueBase Database · checked Sep 19, 2026
14	Climateseed	Partial evidence	Paris, FranceHQ checked Sep 19, 2026	11-50	40 contacts →
	Partial evidence “ClimateSeed combines strategic consulting and digital platforms to help organizations design and deploy ambitious climate strategies.” Source: RevenueBase Database · checked Sep 19, 2026
15	Roquet	Indirect evidence	Redon, FranceHQ checked Sep 19, 2026	51-200	39 contacts →
	Indirect evidence “Présente depuis 50 ans sur les territoires de Redon, Nantes, Rennes, Vannes et Saint-Nazaire, Roquet est une entreprise indépendante, à taille humaine.” Source: RevenueBase Database · checked Sep 19, 2026
16	Carbometrix	Indirect evidence	Paris, FranceHQ checked Sep 19, 2026	11-50	32 contacts →
	Indirect evidence “Carbometrix guides private-market professionals and their portfolio companies in effective decarbonization.” Source: RevenueBase Database · checked Sep 19, 2026
17	Ecoact France	Indirect evidence	Paris, FranceHQ checked Sep 19, 2026	201-500	30 contacts →
	Indirect evidence “EcoAct est une société internationale de conseil et de développement de projets qui accompagne entreprises, organisations, institutions et territoires afin de leur offrir la gamme…” Source: RevenueBase Database · checked Sep 19, 2026
18	Wild Trees	Partial evidence	Paris, FranceHQ checked Sep 19, 2026	11-50	27 contacts →
	Partial evidence “WILD TREES est une société de conseil indépendante, spécialiste des enjeux écologiques, énergétiques et climatiques.” Source: RevenueBase Database · checked Sep 19, 2026
19	Proclim Officiel	Partial evidence	Villepinte, FranceHQ checked Sep 19, 2026	51-200	21 contacts →
	Partial evidence “Proclim est une entreprise spécialisée dans le domaine du génie climatique.” Source: RevenueBase Database · checked Sep 19, 2026
20	Tout EST Architecture	Partial evidence	St.-denis, FranceHQ checked Sep 19, 2026	1-10	14 contacts →
	Partial evidence “T.E.A - Tout Est Architecture - est un acteur de la ville durable qui, par une approche transversale et une culture de l'existant, anticipe les enjeux climatiques pour transformer…” Source: RevenueBase Database · checked Sep 19, 2026
21	Urbanomy	Partial evidence	Paris, FranceHQ checked Sep 19, 2026	11-50	11 contacts →
	Partial evidence “Urbanomy is EDF Group's strategic energy & climate consultancy, launched in 2020.” Source: RevenueBase Database · checked Sep 19, 2026
22	Clim'actions Bretagne	Strong evidence	Vannes, FranceHQ checked Sep 19, 2026	1-10	11 contacts →
	Strong evidence “Clim’actions est un laboratoire d’idées et de projets pour anticiper et agir face au changement climatique.” Source: RevenueBase Database · checked Sep 19, 2026
23	Coopérative Carbone	Partial evidence	La Rochelle, FranceHQ checked Sep 19, 2026	1-10	10 contacts →
	Partial evidence “La Coopérative Carbone La Rochelle accompagne les acteurs du territoire qui veulent agir localement pour réduire leur impact sur le climat.” Source: RevenueBase Database · checked Sep 19, 2026
24	Objectif 2	Indirect evidence	Brest, FranceHQ checked Sep 19, 2026	1-10	10 contacts →
	Indirect evidence “Chez Objectif 2°, nous aidons les organisations à transformer leurs défis environnementaux en opportunités durables et compétitives.” Source: RevenueBase Database · checked Sep 19, 2026
25	Citadelle	Partial evidence	Paris, FranceHQ checked Sep 19, 2026	1-10	8 contacts →
	Partial evidence “Citadelle souhaite contribuer à l'adaptation des Villes au défi climatique” Source: RevenueBase Database · checked Sep 19, 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: city climate action planning firms. 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 city climate action planning firms.
Partial evidence: Its own public description names part of city climate action planning firms, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name city climate action planning firms. 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 132 city climate action planning firms based in France

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City climate action planning firms based in France at a glance

As of Sep 19, 2026

26.5%Verified-email coverage

119.9Average contacts per company

1-10Median size (employees)

31.1%Largest-city concentration · Paris

Sep 19, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

1,001-5,000

10001+

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 132 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 city climate action planning firms, 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 “city climate action planning firms”. 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 city climate action planning firms), 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 city climate action planning firms, 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, 4,198 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 19, 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.

City climate action planning firms by metro

City climate action planning firms in Paris41

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 city climate action planning firms, 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 city climate action planning firms are there based in France?

RevenueBase identified 132 city climate action planning firms 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?

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

Which city has the most city climate action planning firms?

Paris leads with 41 headquartered companies, followed by Lyon (7) and Toulouse (4).

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 4,198 verified decision-maker contacts tracked across these 132 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 19, 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.