Company lists · Data refreshed September 2026
Top 25 Solar design and engineering firms based in Paris, France
RevenueBase identified 74 solar design and engineering firms headquartered in Paris, France as of September 2026 and tracks 882 professional contacts across them, including 465 with verified work emails. Paris is the largest hub.
This list covers solar design and engineering firms headquartered in Paris, 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 design and engineering firms based in Paris, France
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 150 contacts → | ||||
Indirect evidence “GÉNÉRALE DU SOLAIRE was created in 2008 at the initiative of Daniel Bour.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 2 | 131 contacts → | ||||
Indirect evidence “Première entreprise à mission des énergies, nous œuvrons pour une énergie verte intelligente et utile partout.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 3 | 87 contacts → | ||||
Indirect evidence “QUI SOMMES NOUS?” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 4 | 39 contacts → | ||||
Strong evidence “Deerns is an international, independent consulting and engineering firm specialized in MEP design, in energy strategies and sustainable performance of buildings, in health and…” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 5 | 32 contacts → | ||||
Indirect evidence “Virya Solutions France est spécialisée dans le déploiement de centrales photovoltaïques dans les secteurs du commerce et de l’industrie.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 6 | 31 contacts → | ||||
Indirect evidence “Le solaire en France ne manque pas de potentiel, il a longtemps manqué d’exigence.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 7 | 26 contacts → | ||||
Indirect evidence “Moriké Sow et Pierre Trancart, ingénieurs de formation, créent Quatorze-IG il y a plus de 10 ans.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 8 | 24 contacts → | ||||
Indirect evidence “Ingénierie thermique, énergétique et environnementale du bâtiment” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 9 | 17 contacts → | ||||
Indirect evidence “Forts de la diversité de leur parcours et de la complémentarité de leurs expériences, Nicolas Deloume – architecte DE (ENSA Paris Val de Seine), Christine Verjus – architecte…” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 10 | 16 contacts → | ||||
Indirect evidence “UNE EXPERTISE POUR VOS PROJETS A HAUTE VALEUR ÉNERGÉTIQUE ET ENVIRONNEMENTALE Nous sommes spécialisés dans la conception fluides, environnement, thermique de bâtiments…” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 11 | 15 contacts → | ||||
Indirect evidence “Fondée en 2004, Eléments Ingénieries est un bureau d’études indépendant spécialisé en ingénierie des fluides, bioclimatique, carbone & environnement.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 12 | 11 contacts → | ||||
Strong evidence “Louis Clair founded Light Cibles in 1983 as the first independent lighting engineering and design consultancy in France.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 13 | 10 contacts → | ||||
Indirect evidence “CFERM est un bureau d’études techniques dont l’activité centrale est l’énergie, thermique ou électrique, dans tous les domaines du bâtiment : logement, tertiaire, enseignement…” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 14 | 9 contacts → | ||||
Indirect evidence “Depuis 2009, nous concevons vos projets dès la réalisation du Permis de Construire avec l’appui de nos ingénieurs structures, fluides, thermiques et électriques.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 15 | 8 contacts → | ||||
Indirect evidence “Alva Systems is a tech company specialized in the installation of energy systems for commercial and industrial buildings.> Energy Management (BMS) Monitor and regulate your…” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 16 | 8 contacts → | ||||
Indirect evidence “Agence CARRIERE DIDIER GAZEAU, Atelier d'Architecture et d'Ingénierie” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 17 | 6 contacts → | ||||
Indirect evidence “Etudes et recherches en éco-conception” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 18 | 5 contacts → | ||||
Indirect evidence “SIL3X est un bureau d'étude simulation et expertise.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 19 | 5 contacts → | ||||
Indirect evidence “Fondée en 2007, Atrium Data est une société d’experts-conseils en solutions énergétiques et environnementales.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 20 | 4 contacts → | ||||
Indirect evidence “Créé en 2009 et intégré au groupe Rexel, INOVEHA est un bureau d’études fluides offrant un service d’ingénierie complet sur les lots électriques, climatiques et énergétiques.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 21 | 3 contacts → | ||||
Indirect evidence “Switch est un bureau d’études impliqué dans la conception de bâtiments à faible impact environnemental.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 22 | 2 contacts → | ||||
Indirect evidence “Société d'Ingénierie, Conseil, Constructions, Gestion de projets en nouvelles énergies et Formation en maintenance d'installations solaires, éoliennes, en ingénierie de projets…” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 23 | 2 contacts → | ||||
Indirect evidence “Bureau d'études photovoltaïque, Eiko Energie accompagne les entreprises et collectivités, de la conception à la mise en œuvre de vos centrales photovoltaïques, assurant une…” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 24 | 2 contacts → | ||||
Partial evidence “The lack of a holistic approach for sustainable design inspired us to start researching ways to support architects & engineers through consulting.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 25 | 2 contacts → | ||||
Indirect evidence 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 design and engineering 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 solar design and engineering firms.
- Partial evidence
- Its own public description names part of solar design and engineering firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name solar design and engineering 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 74 solar design and engineering firms based in Paris, France
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Solar design and engineering firms based in Paris, France at a glance
As of Sep 18, 2026Companies by employee count
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 74 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 design and engineering 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 Paris, France whose own description of what they do matches “solar design and engineering 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 solar design and engineering 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 solar design and engineering firms, and records with no verified work email. Companies headquartered outside Paris 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 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 design and engineering firms by metro in France
- Solar design and engineering firms in Paris74
- Solar design and engineering firms in Lyon36
- Solar design and engineering firms in Toulouse31
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 design and engineering 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 solar design and engineering firms are there based in Paris, France?
RevenueBase identified 74 solar design and engineering firms headquartered in Paris, 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?
Generale DU Solaire, headquartered in Paris, tops this list with the largest team on record.
Which city has the most solar design and engineering firms?
Paris leads with 74 headquartered companies, followed by Lyon (36) and Toulouse (31).
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 74 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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