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Company lists · Data refreshed September 2026

Top 25 Renewable energy consulting firms based in France

Compiled by the RevenueBase Data Team Data refreshed Sep 5, 2026 1,393 companies tracked

RevenueBase identified 1,393 renewable energy consulting firms headquartered in France as of September 2026 and tracks 26,193 professional contacts across them, including 11,718 with verified work emails and 506 with mobile numbers. Paris is the largest hub.

This list covers renewable energy consulting 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, how directly it supports the match, and when it was last checked. Data refreshed September 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 HQ checked on every row Match evidence on every row Refreshed Sep 5, 2026 86% judged on-target in blind review
1,393Companies
26,193Contacts tracked
11,718Verified emails
506Mobile numbers
Explore all 1,393 companies → Free signup · no credit card · 500 free credits

The 25 largest renewable energy consulting firms based in France

Ranked by team size
Top 25 of 1,393 renewable energy consulting firms based in France, ranked by team size, largest first. Data refreshed Sep 5, 2026. Evidence rates how directly each company's own description names renewable energy consulting firms: strong (names it), partial (names part of it), indirect (matched on its full profile rather than the summary shown). Click a count to unlock that company's people.
#CompanyHeadquartersEmployeesContacts
1
DalkiaIndirect evidence
Saint-andré-lez-lille, FranceHQ checked Sep 5, 202610001+8,427

“Dalkia : ensemble, relevons le défi climatique!”

Source: company website · checked Sep 5, 2026
2
VoltaliaStrong evidence
Paris, FranceHQ checked Sep 5, 20261,001-5,0001,436

“Voltalia is an international player in renewable energies.”

Source: company website · checked Sep 5, 2026
3
AKUOIndirect evidence
Paris, FranceHQ checked Sep 5, 2026201-500525

“Akuo est spécialisé dans la mise en œuvre d’unités de production d’électricité à partir de ressources renouvelables, en particulier le solaire, l'éolien et le stockage.”

Source: company website · checked Sep 5, 2026
4
NEOENStrong evidence
Paris, FranceHQ checked Sep 5, 2026201-500466

“Founded in 2008, Neoen is one of the world’s leading renewable energy companies, with expertise in solar, onshore wind and battery storage.”

Source: company website · checked Sep 5, 2026
5
Groupe CorianceIndirect evidence
Noisy-le-grand, FranceHQ checked Sep 5, 2026501-1,000452

“Pour une énergie propre et mieux utilisée Notre mission : fournir des solutions énergétiques performantes et économiques, tout en minimisant l'impact environnemental.”

Source: company website · checked Sep 5, 2026
6
ValecoIndirect evidence
Montpellier, FranceHQ checked Sep 5, 2026201-500399

“Valeco est un acteur majeur des énergies renouvelables depuis plus de 30 ans.”

Source: company website · checked Sep 5, 2026
7
GreenflexPartial evidence
Paris, FranceHQ checked Sep 5, 2026501-1,000390

“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…”

Source: company website · checked Sep 5, 2026
8
Doris GroupPartial evidence
Paris, FranceHQ checked Sep 5, 2026501-1,000365

“DORIS is a leader in the provision of engineering, advisory, and project management services to the energy industry.”

Source: company website · checked Sep 5, 2026
9
ManergyIndirect evidence
Créteil, FranceHQ checked Sep 5, 2026501-1,000305

“Depuis plus de 40 ans, MANERGY s’affirme comme une société indépendante de référence, spécialisée dans l’ingénierie et le conseil en transition énergétique et environnementale.”

Source: company website · checked Sep 5, 2026
10
TenergieIndirect evidence
Fuveau, FranceHQ checked Sep 5, 2026201-500264

“Fondé en 2008, au cœur de la région PACA, Tenergie est un producteur indépendant d’énergies renouvelables : nos 500 centrales solaires et éoliennes ont produit plus de 250 GWh en…”

Source: company website · checked Sep 5, 2026
11
NepsenIndirect evidence
Vincennes, FranceHQ checked Sep 5, 202651-200220

“NEPSEN est un bureau d'études indépendant, spécialisé dans les métiers de la transition énergétique & écologique depuis 40 ans.”

Source: company website · checked Sep 5, 2026
12
Apex EnergiesPartial evidence
Montpellier, FranceHQ checked Sep 5, 2026201-500213

“Depuis plus de 30 ans, Apex Energies transforme le solaire en véritable levier économique et stratégique pour les entreprises, les collectivités et les acteurs fonciers.”

Source: company website · checked Sep 5, 2026
13
Beicip-FranlabPartial evidence
Rueil-malmaison, FranceHQ checked Sep 5, 202651-200212

“Beicip-Franlab is a leading Energy Consultancy and Software Editor created in the 1960's with recognized worldwide hands-on expertise.”

Source: company website · checked Sep 5, 2026
14
Carbone 4Strong evidence
Paris, FranceHQ checked Sep 5, 202651-200208

“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: company website · checked Sep 5, 2026
15
AventaPartial evidence
Paris, FranceHQ checked Sep 5, 2026201-500176

“Aventa empowers the Marine Energy market with the sharpest skills to help design a bluer future.”

Source: company website · checked Sep 5, 2026
16
Entech Smart EnergiesIndirect evidence
Quimper, FranceHQ checked Sep 5, 2026201-500174

“Entech develops solar production, storage, and electricity conversion solutions controlled by smart software systems that promote the increasing and profitable integration of…”

Source: company website · checked Sep 5, 2026
17
Alliance DES ÉnergiesIndirect evidence
Villeurbanne, FranceHQ checked Sep 5, 202651-200161

“Alliance des Énergies : L’allié de vos stratégies énergétiques à 360°!”

Source: company website · checked Sep 5, 2026
18
Setec Énergie EnvironnementIndirect evidence
Paris, FranceHQ checked Sep 5, 202651-200143

“Setec énergie environnement is a subsidiary of the setec group, one of France’s leading engineering firms (3 300 employees).”

Source: company website · checked Sep 5, 2026
19
Yélé ConsultingPartial evidence
Nanterre, FranceHQ checked Sep 5, 202651-200140

“Yélé Consulting est un cabinet de conseil et d’ingénierie indépendant spécialiste de la transition énergétique et environnementale.”

Source: company website · checked Sep 5, 2026
20
SilicéoIndirect evidence
Saint-martin-sur-le-pré, FranceHQ checked Sep 5, 202651-200140

“Spécialisée dans l’énergie photovoltaïque, Silicéo accompagne ses clients agriculteurs, entreprises du secteur tertiaire, industriels, bureaux d’études, collectivités et…”

Source: company website · checked Sep 5, 2026
21
SénovaIndirect evidence
Paris, FranceHQ checked Sep 5, 202651-200139

“Sénova est "le partenaire de la rénovation énergétique de votre habitat".”

Source: company website · checked Sep 5, 2026
22
EnergieteamIndirect evidence
Oust-marest, FranceHQ checked Sep 5, 202651-200128

“Acteur indépendant des énergies renouvelables depuis plus de 20 ans, nous développons des parcs éoliens, des centrales photovoltaïques ainsi que des solutions de stockage…”

Source: company website · checked Sep 5, 2026
23
VensolairIndirect evidence
Montpellier, FranceHQ checked Sep 5, 202651-200121

“Ensemble, passons à l’action!”

Source: company website · checked Sep 5, 2026
24
ElementsIndirect evidence
Montpellier, FranceHQ checked Sep 5, 202651-200108

“Elements produit de l'électricité verte à partir de centrales photovoltaïques, éoliennes et hydro avec pour ambition de synchroniser la consommation des territoires avec leur mix…”

Source: company website · checked Sep 5, 2026
25
OTIMOIndirect evidence
Boulogne-billancourt, FranceHQ checked Sep 5, 202651-200106

“otimo est une société de conseil en ingénierie spécialisée dans les secteurs de l'Énergie, l'Environnement et les Infrastructures.”

Source: company website · checked Sep 5, 2026

Showing 25 of 1,393 renewable energy consulting firms based in France

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Renewable energy consulting firms based in France at a glance

As of Sep 5, 2026
1-10Median size (employees)
ParisLargest hub · 197 HQs
506Contacts with mobile numbers
Sep 5, 2026Data refreshed

Companies by employee count

1-10
900
11-50
374
51-200
85
201-500
18
501-1,000
4
1,001-5,000
5
5,001-10,000
1
10001+
1

Verified emails by last verification

0–30
11,095
31–60
592
61–90
0
90–180
1
180+
30

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 renewable energy consulting firms, so some rows will be adjacent to the category rather than pure plays. The description and evidence 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 SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in France whose own description of what they do matches “renewable energy consulting firms”. Matching reads each company's description, not its industry code or its name.
What we exclude
Companies whose own description does not clearly place them among renewable energy consulting 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 an evidence 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, 11,718 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 5, 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.

Renewable energy consulting firms by metro

Frequently asked

How many renewable energy consulting firms are there based in France?

RevenueBase identified 1,393 renewable energy consulting 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?

Dalkia, headquartered in Saint-Andre-Lez-Lille, tops this list with the largest team on record.

Which city has the most renewable energy consulting firms?

Paris leads with 197 headquartered companies, followed by Lyon (49) and Toulouse (36).

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 11,718 verified decision-maker contacts tracked across these 1,393 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 5, 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 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.

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