Company lists · Data refreshed September 2026

Top 25 Iso 50001 energy management consultants based in France

Name: Iso 50001 energy management consultants based in France
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 374 companies tracked

RevenueBase identified 374 iso 50001 energy management consultants headquartered in France as of September 2026 and tracks 3,058 professional contacts across them, including 1,072 with verified work emails. Paris is the largest hub.

This list covers iso 50001 energy management 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 28, 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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 28, 2026 86% judged on-target in blind review

374Companies

3,058Contacts tracked

1,072Verified emails

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The 25 largest iso 50001 energy management consultants based in France

Ranked by team size

Top 25 of 374 iso 50001 energy management consultants based in France, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to iso 50001 energy management consultants: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Veolia Industries Global Solutions	Partial evidence	Aubervilliers, FranceHQ checked Sep 28, 2026	1,001-5,000	460 contacts →
	Partial evidence “Veolia Industries Global Solutions est devenu Veolia Energie Performance depuis le 1er juin 2025.” Source: RevenueBase Database · checked Sep 28, 2026
2	Alliance DES Énergies	Indirect evidence	Villeurbanne, FranceHQ checked Sep 28, 2026	51-200	161 contacts →
	Indirect evidence “Alliance des Énergies : L’allié de vos stratégies énergétiques à 360°!” Source: RevenueBase Database · checked Sep 28, 2026
3	SNECI	Indirect evidence	Levallois, FranceHQ checked Sep 28, 2026	51-200	107 contacts →
	Indirect evidence “SNECI offers expertise in Industrial Performance Improvement, Business Development & Decarbonization to our customers internationally through 450 experts around the world.” Source: RevenueBase Database · checked Sep 28, 2026
4	Energie & Service	Indirect evidence	Versailles, FranceHQ checked Sep 28, 2026	51-200	93 contacts →
	Indirect evidence “Avez-vous besoin d'aide pour améliorer les performances énergétiques de vos bâtiments?” Source: RevenueBase Database · checked Sep 28, 2026
5	Arnest	Partial evidence	Puteaux, FranceHQ checked Sep 28, 2026	51-200	72 contacts →
	Partial 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 28, 2026
6	Erese Groupe Scet HTC	Indirect evidence	Paris, FranceHQ checked Sep 28, 2026	51-200	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 28, 2026
7	Optima Énergie	Indirect evidence	Plescop, FranceHQ checked Sep 28, 2026	11-50	54 contacts →
	Indirect evidence “Créée en 2016, Optima Énergie est un cabinet de #conseil en #énergie basé en #Bretagne.” Source: RevenueBase Database · checked Sep 28, 2026
8	Auphys Technologie	Indirect evidence	Seyssinet-pariset, FranceHQ checked Sep 28, 2026	11-50	49 contacts →
	Indirect evidence “AUPHYS Technologie est une société de services en Ingénierie Industrielle.” Source: RevenueBase Database · checked Sep 28, 2026
9	4 AS	Indirect evidence	Saint-maur-des-fossés, FranceHQ checked Sep 28, 2026	11-50	42 contacts →
	Indirect evidence “4 As est un acteur de référence du Conseil, Evaluation & Audit QSE (Qualité Sécurité Environnement) & RSE depuis plus de 15 ans.” Source: RevenueBase Database · checked Sep 28, 2026
10	Akéa Énergies	Indirect evidence	Poitiers, FranceHQ checked Sep 28, 2026	51-200	40 contacts →
	Indirect evidence “Bureau d’études spécialisé dans la maîtrise de l’énergie et les solutions de décarbonation, Akéa Énergies place son ingénierie technique au service des publics BtoB pour les aider…” Source: RevenueBase Database · checked Sep 28, 2026
11	IE Conseil - BET	Indirect evidence	Croissy-beaubourg, FranceHQ checked Sep 28, 2026	11-50	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 28, 2026
12	ENEOR	Indirect evidence	Le Pecq, FranceHQ checked Sep 28, 2026	11-50	38 contacts →
	Indirect evidence “ENEOR : L'ingénierie énergétique par excellence POSITIONNEMENT: Bureau d’études Technique énergétique indépendant spécialisé dans, l’ingénierie de conception, d’exécution et…” Source: RevenueBase Database · checked Sep 28, 2026
13	BSE Building Systems Energies	Indirect evidence	Joué-lès-tours, FranceHQ checked Sep 28, 2026	11-50	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 28, 2026
14	Studeffi	Indirect evidence	Le Mans, FranceHQ checked Sep 28, 2026	11-50	35 contacts →
	Indirect evidence “Filiale du groupe SAMSIC, Studeffi est un cabinet de conseil neutre et indépendant en gestion de l’énergie à destination des PME/PMI et ETI, industrielle comme tertiaire.” Source: RevenueBase Database · checked Sep 28, 2026
15	Oksigen	Partial evidence	Nantes, FranceHQ checked Sep 28, 2026	11-50	28 contacts →
	Partial evidence “OKSIGEN est une société spécialisée en Maîtrise de l'Energie, nous accompagnons nos clients professionnels sur 3 thématiques - Stratégie bas carbone *- Stratégie d'efficacité…” Source: RevenueBase Database · checked Sep 28, 2026
16	Self Climat Morvan	Indirect evidence	Torcy, FranceHQ checked Sep 28, 2026	51-200	28 contacts →
	Indirect evidence “Découvrez notre entreprise sur Plus qu’un état d’esprit, plus qu’une politique d’entreprise, la protection de l’environnement est réellement la raison d’exister de la société…” Source: RevenueBase Database · checked Sep 28, 2026
17	Batimgie	Indirect evidence	Angers, FranceHQ checked Sep 28, 2026	11-50	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 28, 2026
18	Euro-Symbiose	Indirect evidence	Carquefou, FranceHQ checked Sep 28, 2026	11-50	26 contacts →
	Indirect evidence “We have the knowhow to- Align business processes with business strategy - Organize these processes so that they are robust, effective and meet the requirements of relevant…” Source: RevenueBase Database · checked Sep 28, 2026
19	Cohesion International Spécialiste DE L'efficience Durable	Indirect evidence	Lyon, FranceHQ checked Sep 28, 2026	51-200	23 contacts →
	Indirect evidence “COHESION INTERNATIONAL ® est un groupe international spécialiste de l'Efficience durable.” Source: RevenueBase Database · checked Sep 28, 2026
20	Anthropy Thermo Conseils	Partial evidence	Palaiseau, FranceHQ checked Sep 28, 2026	11-50	23 contacts →
	Partial evidence “ANTHROPY Thermo Conseils intervient, depuis plus de 30 ans, sur l’ensemble du territoire national sur tous les secteurs du Génie Energétique par la méthode de l’approche directe.” Source: RevenueBase Database · checked Sep 28, 2026
21	Ilex Environnement	Indirect evidence	Toulouse, FranceHQ checked Sep 28, 2026	11-50	22 contacts →
	Indirect evidence “Ilex Environnement accompagne les entreprises dans leurs démarches d’efficacité énergétique, avec une vision technique, financière et réglementaire.” Source: RevenueBase Database · checked Sep 28, 2026
22	AMO Conseils	Indirect evidence	Paris, FranceHQ checked Sep 28, 2026	11-50	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 28, 2026
23	Alphacee	Indirect evidence	Lyon, FranceHQ checked Sep 28, 2026	1-10	19 contacts →
	Indirect evidence “AlphaCEE accompagne ses clients dans l’obtention et la valorisation de Certificats d’Économies d’Énergie (CEE).” Source: RevenueBase Database · checked Sep 28, 2026
24	Cler Ingénierie	Indirect evidence	Saint Priest, FranceHQ checked Sep 28, 2026	11-50	18 contacts →
	Indirect evidence “Cler ingénierie est un bureau d’études au service des maîtres d’ouvrages publics et privés concernés par les problématiques de l’énergie.” Source: RevenueBase Database · checked Sep 28, 2026
25	Energio	Indirect evidence	FranceHQ checked Sep 28, 2026	11-50	18 contacts →
	Indirect evidence “Un bureau d’études indépendant d’ingénierie énergétique qui accompagne ses clients sur la gestion et la valorisation énergétique de leur patrimoine.” Source: RevenueBase Database · checked Sep 28, 2026

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: iso 50001 energy management 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 iso 50001 energy management consultants.
Partial evidence: Its own public description names part of iso 50001 energy management consultants, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name iso 50001 energy management 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 374 iso 50001 energy management consultants based in France

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Iso 50001 energy management consultants based in France at a glance

As of Sep 28, 2026

35.1%Verified-email coverage

8.2Average contacts per company

1-10Median size (employees)

13.1%Largest-city concentration · Paris

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

274

11-50

51-200

201-500

1,001-5,000

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 374 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 iso 50001 energy management 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 “iso 50001 energy management 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 iso 50001 energy management 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 iso 50001 energy management 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, 1,072 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 28, 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.

Iso 50001 energy management consultants by metro

Iso 50001 energy management consultants in Paris49

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 iso 50001 energy management 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 iso 50001 energy management consultants are there based in France?

RevenueBase identified 374 iso 50001 energy management 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?

Veolia Industries Global Solutions, headquartered in Aubervilliers, tops this list with the largest team on record.

Which city has the most iso 50001 energy management consultants?

Paris leads with 49 headquartered companies, followed by Lyon (19) and Toulouse (9).

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 1,072 verified decision-maker contacts tracked across these 374 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 28, 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.