Company lists · Data refreshed September 2026
Top 25 Net-zero retrofit consultants based in France
RevenueBase identified 309 net-zero retrofit consultants headquartered in France as of September 2026 and tracks 2,170 professional contacts across them, including 765 with verified work emails. Paris is the largest hub.
This list covers net-zero retrofit 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 29, 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 net-zero retrofit consultants based in France
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 149 contacts → | ||||
Indirect evidence “Accenta aide les acteurs de l’immobilier à maîtriser leurs charges, valoriser leurs actifs et répondre aux exigences réglementaires, grâce à la performance énergie-carbone.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 2 | 139 contacts → | ||||
Indirect evidence “Sénova est "le partenaire de la rénovation énergétique de votre habitat".” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 3 | 84 contacts → | ||||
Indirect evidence “Éco Environnement – Expert en transition énergétique durable Éco Environnement accompagne entreprises et collectivités dans leur passage à l’énergie verte.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 4 | 72 contacts → | ||||
Indirect evidence “Solares Bauen est un bureau d’étude fluides, thermique et environnement dans le bâtiment créée en 2005 à Strasbourg.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 5 | 56 contacts → | ||||
Indirect evidence “Ithaque a été créée avec la conviction que la rénovation énergétique des maisons est un enjeu central de la transition écologique.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 6 | 55 contacts → | ||||
Indirect evidence “Crust énergie réalise des travaux rénovation énergétique et les finance à 100%.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 7 | 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 29, 2026Thanks. The Data Team will review it. | |||||
| 8 | 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 29, 2026Thanks. The Data Team will review it. | |||||
| 9 | 39 contacts → | ||||
Indirect evidence “IE CONSEIL est perçu comme un acteur reconnu pour le conseil en utilisation et en gestion de l’énergie dans les bâtiments existants mais également pour les constructions neuves.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 10 | 36 contacts → | ||||
Indirect evidence “Créé en 2008 au sein du Groupe Hervé, BSE est un bureau d'études spécialisé dans la performance énergétique et environnementale des bâtiments.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 11 | 27 contacts → | ||||
Indirect evidence “BatiMgie est un bureau d’études indépendant spécialisé dans la performance énergétique des bâtiments et la maîtrise d’œuvre fluide, thermique et environnementale.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 12 | 27 contacts → | ||||
Indirect evidence “APPORE (Agence de Préconisation Pour la Rénovation Énergétique) est un véritable acteur de la rénovation énergétique de l’habitat.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 13 | 26 contacts → | ||||
Indirect evidence “À l’origine, nous, Philippe Gschwind et Nicolas Besson, étions deux salariés du secteur énergétique.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 14 | 26 contacts → | ||||
Indirect evidence “Chez Greenta, nous rêvons d'entreprises où chacun se réalise tout en participant à un projet vertueux qui le dépasse.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 15 | 24 contacts → | ||||
Indirect evidence “Archenergie est l’une des premières entreprises françaises à avoir proposé une approche globale de la rénovation énergétique de l'habitat.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 16 | 23 contacts → | ||||
Indirect evidence “Entreprise à impact contribuant à atteindre la neutralité carbone.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 17 | 21 contacts → | ||||
Indirect evidence “AMO Conseils, bureau d’études spécialisé en transition énergétique du bâtiment, accompagne professionnels et particuliers dans leurs projets.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 18 | 20 contacts → | ||||
Indirect evidence “Clever Energies : Votre partenaire engagé en performance énergétique!” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 19 | 20 contacts → | ||||
Indirect evidence “Depuis 2011, SOCONER aide ses clients à concevoir des solutions énergétiques (chauffage, ventilation, éclairage, climatisation) et à optimiser la performance énergétique de leurs…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 20 | 19 contacts → | ||||
Indirect evidence “ENEOS oeuvre pour l’efficacité énergétique des bâtiments en associant les métiers de l’ingénierie et de la maîtrise d’oeuvre - Suivi et monitoring des consommations énergétiques-…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 21 | 18 contacts → | ||||
Indirect evidence “Pegime accompagne et conseille ses clients sur des missions techniques dans le but de réduire l'impact environnemental de leurs bâtiments en optimisant les performances…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 22 | 18 contacts → | ||||
Indirect evidence “HOME Vert, l'habitat économe - Qui sommes-nous?” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 23 | 18 contacts → | ||||
Indirect evidence “Avec plus de 3500 projets bâtiments rénovés, Le Groupe SMART est considéré comme un acteur majeur dans le Smart Building et la Performance énergétique.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 24 | 18 contacts → | ||||
Indirect evidence “CTBG, entreprise spécialisée dans la rénovation énergétique de l'habitat en Île-de-France depuis près de 20 ans.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 25 | 16 contacts → | ||||
Indirect evidence “Energy de France - Le générateur de la performance énergétique.” Source: RevenueBase Database · checked Sep 29, 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: net-zero retrofit 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 net-zero retrofit consultants.
- Partial evidence
- Its own public description names part of net-zero retrofit consultants, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name net-zero retrofit 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 309 net-zero retrofit consultants based in France
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Net-zero retrofit consultants based in France at a glance
As of Sep 29, 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 309 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 net-zero retrofit 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 “net-zero retrofit 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 net-zero retrofit 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 net-zero retrofit 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, 765 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 29, 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.
Net-zero retrofit consultants by metro
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 net-zero retrofit 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 net-zero retrofit consultants are there based in France?
RevenueBase identified 309 net-zero retrofit 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?
accenta.ai, headquartered in Boulogne-Billancourt, tops this list with the largest team on record.
Which city has the most net-zero retrofit consultants?
Paris leads with 37 headquartered companies, followed by Lyon (14) and Toulouse (10).
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 765 verified decision-maker contacts tracked across these 309 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 29, 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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