Company lists · Data refreshed November 2026

Top 25 Climate transition consultancies based in Paris, France

RevenueBase identified 240 company matches for climate transition consultancies associated with Paris, France as of November 2026 and tracks 3,280 professional contacts across them, including 1,490 with verified work emails. Across France, Paris is the largest hub for this category.

This list covers company matches for climate transition consultancies associated with Paris, France, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 5, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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 RevenueBase SmartSearch · Exact Recorded Nov 5, 2026 How this list was built
240Companies
3,280Contacts tracked
1,490Verified emails
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The 25 largest climate transition consultancies based in Paris, France

Ranked by team size
Top 25 of 240 company matches for climate transition consultancies based in Paris, France, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchParis, FranceHQ recorded Nov 5, 2026501-1,000374 contacts →

Exact match

“Since 2009, GreenFlex has been a key partner in the energy, environmental and societal transformation of organizations, enabling them to change their trajectory towards an economy…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2Exact matchParis, FranceHQ recorded Nov 5, 202651-200212 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3Exact matchParis, FranceHQ recorded Nov 5, 202651-200168 contacts →

Exact match

“Expert de la réconciliation entre économie et écologie, R3 fait basculer les entreprises vers une transition environnementale et sociétale réellement performante.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4Exact matchParis, FranceHQ recorded Nov 5, 202651-200130 contacts →

Exact match

“Blunomy brings together deep sector knowledge, technical and data expertise, and real-world business and investment experience.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5Exact matchParis, FranceHQ recorded Nov 5, 2026201-50078 contacts →

Exact match

“Lamarck est un groupe de conseil en transformation des entreprises.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6Exact matchParis, FranceHQ recorded Nov 5, 202651-20075 contacts →

Exact match

“Our mission : Aktio supports companies in their low-carbon transition, with our carbon footprint platform, our expertise and our network of partners to reduce emissions.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7Exact matchParis, FranceHQ recorded Nov 5, 202651-20075 contacts →

Exact match

“Sami: Smart.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8Exact matchParis, FranceHQ recorded Nov 5, 202611-5074 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9Exact matchParis, FranceHQ recorded Nov 5, 202611-5070 contacts →

Exact match

“RE)SET is a company dedicated to circular economy, with a sharp method to boost the ecological transition.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10Exact matchParis, FranceHQ recorded Nov 5, 202611-5061 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11Exact matchParis, FranceHQ recorded Nov 5, 202611-5054 contacts →

Exact match

“TRANSITIONS, agence de conseil en stratégie du développement durable, conduit des missions au niveau national et international, auprès de collectivités locales, d’entreprises, de…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact matchParis, FranceHQ recorded Nov 5, 202611-5053 contacts →

Exact match

“The Institute for Climate Economics (I4CE) is an independent, non-profit think tank that puts economic analysis at the service of climate action.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13Exact matchParis, FranceHQ recorded Nov 5, 202611-5046 contacts →

Exact match

“E-CUBE, the strategy consulting firm dedicated to energy, transport and climate stakes We combine innovative strategic thinking with deep industry expertise to deliver outstanding…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14Exact matchParis, FranceHQ recorded Nov 5, 202611-5044 contacts →

Exact match

“Des Enjeux et Des Homme est un cabinet spécialisé dans la transformation des entreprises et organisations vers des écosystèmes soutenables et résilients.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15Exact matchParis, FranceHQ recorded Nov 5, 202611-5041 contacts →

Exact match

“Le modèle linéaire fragilise votre performance.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16Exact matchParis, FranceHQ recorded Nov 5, 202611-5040 contacts →

Exact match

“Carbon4 Finance is a spin-off of the leading advisory firm Carbone 4 specialized in the energy and climate transition for 18 years.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17Exact matchParis, FranceHQ recorded Nov 5, 202611-5040 contacts →

Exact match

“Env-isa is a leading environmental consultancy with over 20 years of experience, specialising in aviation and its wider ecosystem.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18Exact matchParis, FranceHQ recorded Nov 5, 202611-5034 contacts →

Exact match

“ClimateSeed combines strategic consulting and digital platforms to help organizations design and deploy ambitious climate strategies.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19Exact matchParis, FranceHQ recorded Nov 5, 202611-5033 contacts →

Exact match

“OuiACT est une société à mission qui accompagne les collectivités et les entreprises dans la définition puis le déploiement de leur stratégie bas-carbone.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20Exact matchParis, FranceHQ recorded Nov 5, 202611-5032 contacts →

Exact match

“Carbometrix guides private-market professionals and their portfolio companies in effective decarbonization.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21Exact matchParis, FranceHQ recorded Nov 5, 202611-5031 contacts →

Exact match

“OMNEGY est un cabinet de conseil en énergie pour les entreprises, spécialiste des achats et des contrats d'énergie.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22Exact matchParis, FranceHQ recorded Nov 5, 202611-5030 contacts →

Exact match

“Altopi, Solutions durables pour entreprises engagées Altopi accompagne les PME et ETI dans leur transition sociétale et écologique.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23Exact matchParis, FranceHQ recorded Nov 5, 202611-5029 contacts →

Exact match

“Notre mission Permettre la transformation énergétique et l’adaptation climatique des territoires, des actifs et des systèmes énergétiques en France et à l’international grâce à…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24Exact matchParis, FranceHQ recorded Nov 5, 20261-1028 contacts →

Exact match

“ARCANIS Conseil est un ARCANIS Conseil ne sélectionne que des ́ (Investissement Socialement Responsable) ARCANIS Conseil s'adresse à des investisseurs désireux d' ́ ARCANIS…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25Exact matchParis, FranceHQ recorded Nov 5, 202611-5024 contacts →

Exact match

“AMO Conseils, bureau d’études spécialisé en transition énergétique du bâtiment, accompagne professionnels et particuliers dans leurs projets.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase

Showing 25 of 240 climate transition consultancies based in Paris, France

See the full list, filter by size, metro and specialty, and access 1,490 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Climate transition consultancies based in Paris, France at a glance

As of Nov 5, 2026
45.4%Verified-email coverage
13.7Average contacts per company
1-10Median size (employees)
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
172
11-50
52
51-200
12
201-500
2
501-1,000
1
10001+
1

Email recency for this list is measured across the whole France list rather than for Paris, so it is reported there. Company counts and contact totals on this page are exact for Paris, over 240 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with Paris, France whose business descriptions match “climate transition consultancies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 1,490 professional contacts with verified work emails across the full matched dataset. 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 November 5, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Climate transition consultancies by metro in France

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “climate transition consultancies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many climate transition consultancies are there based in Paris, France?

RevenueBase identified 240 company matches for climate transition consultancies associated with Paris, France as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Greenflex tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in France has the most climate transition consultancies?

Paris leads France with 240 company records, followed by Lyon (45) and Toulouse (26).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 1,490 professional contacts with verified work emails tracked across these 240 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 5, 2026.

Ready to reach these companies? Verified emails and direct dials for all 240 climate transition consultancies based in Paris, France. Start with a free account, no credit card.

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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 SmartSearch, 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.