Company lists · Data refreshed September 2026
Top 25 Clean energy law firms based in France
RevenueBase identified 163 clean energy law firms headquartered in France as of September 2026 and tracks 1,297 professional contacts across them, including 465 with verified work emails. Paris is the largest hub.
This list covers clean energy law 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 27, 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.
The 25 largest clean energy law firms based in France
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 54 contacts → | ||||
Indirect evidence “Et si l’énergie que vous perdez aujourd’hui devenait votre plus grand levier de compétitivité?” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 2 | 54 contacts → | ||||
Indirect evidence “AKAJOULE est un bureau d’étude spécialisé dans l’accompagnement et l’ingénierie en énergie et environnement.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 3 | 54 contacts → | ||||
Indirect evidence “Créée en 2016, Optima Énergie est un cabinet de #conseil en #énergie basé en #Bretagne.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 4 | 45 contacts → | ||||
Indirect evidence “Fondé en 1993 et composé de 45 avocats, Frêche & Associés AARPI, cabinet d'avocats au Barreau de Paris, est spécialisé dans les domaines suivants - droit public des affaires et…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 5 | 44 contacts → | ||||
Indirect evidence “ELYS, ingénierie indépendante pour la construction de parcs éoliens, de centrales solaires PV, BESS et de postes HTB privés.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 6 | 43 contacts → | ||||
Indirect evidence “Société d'Ingénierie, Conseil et Construction, ACTEAM ENR accompagne - Industriels, Promoteurs, Collectivités et Agriculteurs dans la mise en œuvre de projet solaire- Maitre…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 7 | 37 contacts → | ||||
Partial evidence “Quénéa Energies Renouvelables est une entreprise bretonne spécialisée depuis 30 ans dans la conception, l'installation et la maintenance de centrales solaires photovoltaïques.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 8 | 36 contacts → | ||||
Indirect evidence “Dans une économie confrontée aux défis environnementaux et sociaux, CGR Avocats se positionne en leader des grandes transitions, qu’elles soient énergétique, industrielle ou…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 9 | 30 contacts → | ||||
Indirect evidence “Fondée en 1977, Envinergy est une boutique M&A reconnue comme pionnière dans le secteur des énergies renouvelables.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 10 | 21 contacts → | ||||
Partial evidence “Syneria is an international consultancy firm providing technical advisory services throughout the full lifecycle of renewable energy projects.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 11 | 18 contacts → | ||||
Partial evidence “An investment in knowledge always pays the best interest” – Benjamin Franklin kiloWattsol is a leading independent consultancy and technical advisory in the field of solar energy.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 12 | 18 contacts → | ||||
Indirect evidence “Cabinet « full services » en environnement et droit public, pionnier du droit de l’environnement, Huglo Lepage Avocats se réinvente et intègre un large écosystème collaboratif…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 13 | 16 contacts → | ||||
Partial evidence “BENTAM is a law firm dedicated to financing, including banking, private placement, public bond issuances and private equity.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 14 | 16 contacts → | ||||
Indirect evidence “Tersun est le spécialiste de l’énergie renouvelable dans votre région, depuis 2014.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 15 | 15 contacts → | ||||
Indirect evidence “Cabinet d’ingénierie et de conseil en énergie solaire, SOG SOLAR accompagne les entreprises, collectivités, investisseurs et producteurs à chacune des étapes de leurs projets…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 16 | 15 contacts → | ||||
Indirect evidence “WATT & HOME créé en 2008 est spécialiste des énergies renouvelables solaire et bois énergie.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 17 | 15 contacts → | ||||
Indirect evidence “Artyseo, c’est une belle bande de.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 18 | 14 contacts → | ||||
Indirect evidence “Agir pour limiter le changement climatique et plus globalement l'impact environnemental des activités humaines est une nécessité de court terme, qui doit mobiliser l'ensemble des…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 19 | 13 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 20 | 11 contacts → | ||||
Indirect evidence “Depuis sa création en 1981, le Cabinet CLÉMENT et Associés s’est prioritairement positionné sur des interventions auprès des pouvoirs adjudicateurs et des décideurs publics et…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 21 | 11 contacts → | ||||
Indirect evidence “Pour l'équipe MetalR, les énergies renouvelables sont une évidence, et leur expertise une réelle assurance de qualité.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 22 | 11 contacts → | ||||
Indirect evidence “CENA Ingénierie est un Bureau d’Etudes Techniques en ingénierie des fluides du bâtiment, spécialisé en énergies renouvelables (géothermie, biomasse, solaire thermique…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 23 | 11 contacts → | ||||
Indirect evidence “Fort d’une expérience de plus de 10 ans dans le domaine des énergies renouvelables, reconnus et certifiés, nous sommes à la fois bureau d’étude et installateur dans le domaine de…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 24 | 11 contacts → | ||||
Strong evidence “Diamantis & Partners was set up as a law firm dedicated to energy and infrastructure projects worldwide, with a focus on emerging markets in general and Africa in particular.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 25 | 10 contacts → | ||||
Indirect evidence “Solaterra, société de conseil et d'ingénierie, basée à Clermont-Ferrand depuis 10 ans.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
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: clean energy law 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 clean energy law firms.
- Partial evidence
- Its own public description names part of clean energy law firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name clean energy law 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 163 clean energy law firms based in France
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Clean energy law firms based in France at a glance
As of Sep 27, 2026Companies by employee count
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 163 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 clean energy law 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 “clean energy law 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 clean energy law 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 clean energy law 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, 465 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 27, 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.
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 clean energy law 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 clean energy law firms are there based in France?
RevenueBase identified 163 clean energy law 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?
Ecogreenenergy, headquartered in Strasbourg, tops this list with the largest team on record.
Which city has the most clean energy law firms?
Paris leads with 45 headquartered companies, followed by Lyon (8) and Toulouse (6).
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 465 verified decision-maker contacts tracked across these 163 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 27, 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.
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