Company lists · Data refreshed October 2026

Top 25 Building performance optimization companies based in France

Name: Building performance optimization companies based in France
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 9, 2026 941 companies tracked

RevenueBase identified 941 company matches for building performance optimization companies associated with France as of October 2026 and tracks 18,755 professional contacts across them, including 7,524 with verified work emails. Paris is the largest hub.

This list covers company matches for building performance optimization companies associated with France, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed October 9, 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 RevenueBase SmartSearch · Exact Recorded Oct 9, 2026 How this list was built

941Companies

18,755Contacts tracked

7,524Verified emails

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The 25 largest building performance optimization companies based in France

Ranked by team size

Top 25 of 941 company matches for building performance optimization companies based in France, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 9, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Dalkia	Exact match	Saint-andré-lez-lille, FranceHQ recorded Oct 9, 2026	10001+	8,823 contacts →
	Exact match “Dalkia : ensemble, relevons le défi climatique!” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
2	Proxiserve	Exact match	Levallois-perret, FranceHQ recorded Oct 9, 2026	1,001-5,000	984 contacts →
	Exact match “A major player in the energy transition and leader in home services, PROXISERVE provides its customers with innovative solutions enabling them to reduce their energy consumption…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
3	Veolia Industries Global Solutions	Exact match	Aubervilliers, FranceHQ recorded Oct 9, 2026	1,001-5,000	429 contacts →
	Exact match “Veolia Industries Global Solutions est devenu Veolia Energie Performance depuis le 1er juin 2025.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
4	Eficia	Exact match	Paris, FranceHQ recorded Oct 9, 2026	51-200	176 contacts →
	Exact match “Eficia révolutionne le secteur de l'efficacité énergétique avec la première solution globale et 100% intégrée du marché pour garantir la performance énergétique de vos bâtiments…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
5	accenta.ai	Exact match	Boulogne-billancourt, FranceHQ recorded Oct 9, 2026	51-200	142 contacts →
	Exact match “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.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
6	Esmé Solutions	Exact match	Ivry-sur-seine, FranceHQ recorded Oct 9, 2026	51-200	113 contacts →
	Exact match “ESMÉ SOLUTIONS, acteur historique du marché des solutions pour les bâtiments connectés, est une filiale du Groupe Eren, leader du marché de la production d’énergies renouvelables…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
7	CDC Conseil	Exact match	Joué-lès-tours, FranceHQ recorded Oct 9, 2026	51-200	98 contacts →
	Exact match “CDC Conseil est une entreprise qui propose - Aux gestionnaires de patrimoines immobiliers des prestations de conseil de suivi d’exploitation, d’achat d’énergie et des solutions…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
8	Opal Corporate Hospitality	Exact match	Lyon, FranceHQ recorded Oct 9, 2026	51-200	98 contacts →
	Exact match “To ensure comfort and well-being of occupants and visitors in commercial, residential and industrial buildings.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
9	Energie & Service	Exact match	Versailles, FranceHQ recorded Oct 9, 2026	51-200	92 contacts →
	Exact match “Avez-vous besoin d'aide pour améliorer les performances énergétiques de vos bâtiments?” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
10	Bobion & Joanin Groupe Bily	Exact match	Lons, FranceHQ recorded Oct 9, 2026	201-500	88 contacts →
	Exact match “Fondée en 1983 par Patrice Bobion (artisan électricien) et Jean-Pierre Joanin (artisan plombier) l’entreprise Bobion & Joanin est devenue en près de 40 ans un acteur majeur du…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
11	Green Energy Service	Exact match	Paris, FranceHQ recorded Oct 9, 2026	51-200	76 contacts →
	Exact match “Green Energy Service est un opérateur de services énergétiques (ESCO) spécialisé dans l’amélioration de la performance énergétique des bâtiments.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
12	Groupe Sofratherm - Setemi	Exact match	Suresnes, FranceHQ recorded Oct 9, 2026	51-200	65 contacts →
	Exact match “Le groupe Sofratherm - Setemi est un groupe de services en efficacité énergétique.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
13	C4e	Exact match	Saint-pierre-du-perray, FranceHQ recorded Oct 9, 2026	51-200	63 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
14	Erese Groupe Scet HTC	Exact match	Paris, FranceHQ recorded Oct 9, 2026	51-200	62 contacts →
	Exact match “ERESE \| Groupe SCET HTC est un bureau d’études spécialisé dans les énergies, les réseaux et l’environnement.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
15	VIRIA	Exact match	Caen, FranceHQ recorded Oct 9, 2026	51-200	60 contacts →
	Exact match “Qui sommes-nous?” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
16	Ecogreenenergy	Exact match	Strasbourg, FranceHQ recorded Oct 9, 2026	51-200	55 contacts →
	Exact match “Et si l’énergie que vous perdez aujourd’hui devenait votre plus grand levier de compétitivité?” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
17	Alter Watt	Exact match	Paris, FranceHQ recorded Oct 9, 2026	11-50	55 contacts →
	Exact match “Alter Watt est un bureau d’études énergétiques, né de la conviction que la transition écologique est un enjeu majeur des années à venir.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
18	Crust Energie	Exact match	Paris, FranceHQ recorded Oct 9, 2026	11-50	55 contacts →
	Exact match “Crust énergie réalise des travaux rénovation énergétique et les finance à 100%.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
19	Ithaque	Exact match	Paris, FranceHQ recorded Oct 9, 2026	11-50	54 contacts →
	Exact match “Ithaque a été créée avec la conviction que la rénovation énergétique des maisons est un enjeu central de la transition écologique.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
20	Ubigreen	Exact match	Labège, FranceHQ recorded Oct 9, 2026	11-50	52 contacts →
	Exact match “Ubigreen est un éditeur de solutions digitales permettant de mesurer et optimiser la performance technique et énergétique des bâtiments du tertiaire.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
21	Cegeclim Energies	Exact match	Anglet, FranceHQ recorded Oct 9, 2026	11-50	51 contacts →
	Exact match “CEGECLIM ENERGIES est le Concessionnaire agréé HITACHI Cooling & Heating de BOSCH Home Confort Group sur la Nouvelle Aquitaine.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
22	Sobre Energie	Exact match	Paris, FranceHQ recorded Oct 9, 2026	11-50	49 contacts →
	Exact match “Sobre Energie, est une solution Deepki, dédiée à l’Energy Management et à l’accompagnement des entreprises et des collectivités dans la sobriété énergétique de leurs parcs…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
23	Optima Énergie	Exact match	Plescop, FranceHQ recorded Oct 9, 2026	11-50	48 contacts →
	Exact match “Créée en 2016, Optima Énergie est un cabinet de #conseil en #énergie basé en #Bretagne.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
24	EOLYA	Exact match	Saint-martin-le-vinoux, FranceHQ recorded Oct 9, 2026	51-200	44 contacts →
	Exact match “EOLYA est une Société de Services en Efficacité Energétique et Environnementale (S²E³), active sur la région Auvergne-Rhône-Alpes, générant un chiffre d’affaires d'environ 15 M€…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
25	Best Energies	Exact match	Montreuil, FranceHQ recorded Oct 9, 2026	11-50	43 contacts →
	Exact match “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.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “building performance optimization companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 941 building performance optimization companies based in France

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Building performance optimization companies based in France at a glance

As of Oct 9, 2026

40.1%Verified-email coverage

19.9Average contacts per company

1-10Median size (employees)

8.8%Largest-city concentration · Paris

Oct 9, 2026Page data refreshed

Companies by employee count

1-10

570

11-50

287

51-200

201-500

501-1,000

1,001-5,000

10001+

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 941 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

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: Company records associated with France whose business descriptions match “building performance optimization companies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 7,524 professional contacts with verified work emails across the full matched dataset. 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 October 9, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Building performance optimization companies by metro

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “building performance optimization companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many building performance optimization companies are there based in France?

RevenueBase identified 941 company matches for building performance optimization companies associated with France as of October 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Dalkia tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most building performance optimization companies?

Paris leads with 83 company records, followed by Lyon (32) and Toulouse (20).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 7,524 professional contacts with verified work emails tracked across these 941 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on October 9, 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.