Company lists · Data refreshed September 2026
Top 25 Solar engineering consultants based in France
RevenueBase identified 858 solar engineering consultants headquartered in France as of September 2026 and tracks 6,153 professional contacts across them, including 2,068 with verified work emails. Paris is the largest hub.
This list covers solar engineering consultants 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 18, 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 solar engineering consultants based in France
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 213 contacts → | ||||
Indirect evidence “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: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 2 | 140 contacts → | ||||
Indirect evidence “Spécialisée dans l’énergie photovoltaïque, Silicéo accompagne ses clients agriculteurs, entreprises du secteur tertiaire, industriels, bureaux d’études, collectivités et…” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 3 | 101 contacts → | ||||
Indirect evidence “Les électriciens du bâtiment” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 4 | 89 contacts → | ||||
Indirect evidence “Bureau d'études solaires indépendant” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 5 | 84 contacts → | ||||
Indirect evidence “DIMEO Energie, la garantie du solaire sur mesure pour les professionnels 🤝 Notre positionnement - Expertise - Conceptions sur mesure - Projets clé en main - Garanties Nos…” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 6 | 74 contacts → | ||||
Indirect evidence “Énergie & Environnement, Génie climatique et électrique, Acoustique, Coordination SSI, Restauconception et Métrologie sont les thèmes sur lesquels SOLAB et ses 6 équipes d’experts…” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 7 | 72 contacts → | ||||
Indirect evidence “Organisée sur un modèle de start-up, Arnest réalise des services d’ingénierie et de management de projets pour le secteur de l'énergie.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 8 | 71 contacts → | ||||
Indirect evidence “Sunelis, entreprise spécialisée dans le solaire photovoltaïque, conçoit, installe et assure la maintenance et le nettoyage de centrales solaires photovoltaïques pour tous types de…” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 9 | 62 contacts → | ||||
Indirect evidence “ERESE | Groupe SCET HTC est un bureau d’études spécialisé dans les énergies, les réseaux et l’environnement.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 10 | 62 contacts → | ||||
Indirect evidence “Vous souhaitez prendre part à la production d’énergie solaire?” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 11 | 61 contacts → | ||||
Indirect evidence “Expert Photovoltaïque GROUPE ROY ÉNERGIE est un acteur majeur sur le marché français du solaire photovoltaïque.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 12 | 58 contacts → | ||||
Indirect evidence “Spécialisé dans le génie électrique, courants forts, courants faibles, dans le génie climatique et les énergies renouvelables, EGA intervient principalement pour le secteur…” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 13 | 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 18, 2026Thanks. The Data Team will review it. | |||||
| 14 | 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 18, 2026Thanks. The Data Team will review it. | |||||
| 15 | 54 contacts → | ||||
Indirect evidence “Créée en 2016, Optima Énergie est un cabinet de #conseil en #énergie basé en #Bretagne.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 16 | 54 contacts → | ||||
Partial evidence “Innovation Energy Development - IED - is a consulting and engineering company engaged in international cooperation since 1988.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 17 | 50 contacts → | ||||
Indirect evidence “72% des chefs d’entreprises disent être impactés fortement par la hausse des coûts de l’énergie.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 18 | 47 contacts → | ||||
Partial evidence “At Skyray we appreciate that rapid growth in solar PV is stretching internal resources, making you question your ability to deliver.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 19 | 46 contacts → | ||||
Indirect evidence “Chez Domuneo, nous accompagnons votre entreprise et les collectivités dans leur transition vers des solutions énergétiques solaires durables et rentables.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 20 | 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 18, 2026Thanks. The Data Team will review it. | |||||
| 21 | 44 contacts → | ||||
Indirect evidence “Chez Be Green, nous sommes des experts en solutions énergétiques solaires pour les professionnels et les collectivités.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 22 | 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 18, 2026Thanks. The Data Team will review it. | |||||
| 23 | 42 contacts → | ||||
Partial evidence “Best Energies is an engineering firm leader in energy performance and savings, specialized in renewable energies as well as conventional, for heating and air conditioning systems.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 24 | 41 contacts → | ||||
Indirect evidence “L’équipe AXYS, forte de son expérience dans le domaine, met en application depuis plus de 25 ans, l’ensemble des nouvelles technologies applicables aux équipements techniques des…” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 25 | 40 contacts → | ||||
Indirect evidence “Cometa répond aux besoins du marché actuel dans les domaines Télécoms et Energies.” Source: RevenueBase Database · checked Sep 18, 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: solar engineering consultants. 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 solar engineering consultants.
- Partial evidence
- Its own public description names part of solar engineering consultants, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name solar engineering consultants. 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 858 solar engineering consultants based in France
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Solar engineering consultants based in France at a glance
As of Sep 18, 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 858 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 solar engineering consultants, 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 “solar engineering consultants”. 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 solar engineering consultants), 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 solar engineering consultants, 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, 2,068 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 18, 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.
Solar engineering consultants by metro
- Solar engineering consultants in Paris63
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 solar engineering consultants, 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 solar engineering consultants are there based in France?
RevenueBase identified 858 solar engineering consultants 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?
Apex Energies, headquartered in Montpellier, tops this list with the largest team on record.
Which city has the most solar engineering consultants?
Paris leads with 63 headquartered companies, followed by Lyon (22) and Toulouse (20).
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 2,068 verified decision-maker contacts tracked across these 858 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 18, 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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