Company lists · Data refreshed September 2026

Top 25 Grid interconnection consulting firms based in France

Name: Grid interconnection consulting firms based in France
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 285 companies tracked

RevenueBase identified 285 company matches for grid interconnection consulting firms associated with France as of September 2026 and tracks 4,457 professional contacts across them, including 1,491 with verified work emails. Paris is the largest hub.

This list covers company matches for grid interconnection consulting firms 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 September 28, 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 Sep 28, 2026 How this list was built

285Companies

4,457Contacts tracked

1,491Verified emails

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The 25 largest grid interconnection consulting firms based in France

Ranked by team size

Top 25 of 285 company matches for grid interconnection consulting firms based in France, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 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	Omexom	Exact match	Nanterre, FranceHQ recorded Sep 28, 2026	5,001-10,000	1,903 contacts →
	Exact match “With today's global energy sector undergoing constant change, Omexom works with its clients in delivering on the promises of the energy transition.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2	Groupe Betem	Exact match	Toulouse, FranceHQ recorded Sep 28, 2026	201-500	141 contacts →
	Exact match “Le GROUPE BETEM, Bureau d’études pluridisciplinaire dans le bâtiment et les réseaux, créé en 1967, a pu au travers de la diversité et du nombre d’opérations réalisées, se forger…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3	RTE International	Exact match	Courbevoie, FranceHQ recorded Sep 28, 2026	51-200	107 contacts →
	Exact match “RTE international is a consultancy and engineering company whose activities cover all areas of electricity transmission.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4	Spie Thépault	Exact match	Cergy, FranceHQ recorded Sep 28, 2026	201-500	98 contacts →
	Exact match “SPIE Thépault est le spécialiste historique des réseaux électriques haute tension.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	Tecsol	Exact match	Perpignan, FranceHQ recorded Sep 28, 2026	11-50	89 contacts →
	Exact match “Bureau d'études solaires indépendant” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6	Arnest	Exact match	Puteaux, FranceHQ recorded Sep 28, 2026	51-200	72 contacts →
	Exact match “Organisée sur un modèle de start-up, Arnest réalise des services d’ingénierie et de management de projets pour le secteur de l'énergie.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7	Greensolver	Exact match	Paris, FranceHQ recorded Sep 28, 2026	51-200	70 contacts →
	Exact match “Founded in 2008, Greensolver is an independent technical advisor specializing in solar, BESS and wind power assets.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8	Innovation Energie Développement IED	Exact match	Métropole De Lyon, FranceHQ recorded Sep 28, 2026	51-200	54 contacts →
	Exact match “Innovation Energy Development - IED - is a consulting and engineering company engaged in international cooperation since 1988.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	Ater Environnement	Exact match	Grandfresnoy, FranceHQ recorded Sep 28, 2026	11-50	52 contacts →
	Exact match “ATER Environnement est un bureau d’études pluridisciplinaire, composé de 52 collaborateurs aux compétences complémentaires, experts dans les domaines des énergies renouvelables…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10	ELYS	Exact match	Nimes, FranceHQ recorded Sep 28, 2026	11-50	44 contacts →
	Exact match “ELYS, ingénierie indépendante pour la construction de parcs éoliens, de centrales solaires PV, BESS et de postes HTB privés.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11	Acteam ENR	Exact match	Toulouse, FranceHQ recorded Sep 28, 2026	11-50	43 contacts →
	Exact match “Société d'Ingénierie, Conseil et Construction, ACTEAM ENR accompagne - Industriels, Promoteurs, Collectivités et Agriculteurs dans la mise en œuvre de projet solaire- Maitre…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12	Clean Horizon	Exact match	Paris, FranceHQ recorded Sep 28, 2026	11-50	39 contacts →
	Exact match “Active worldwide since 2009, Clean Horizon is 100% dedicated to energy storage.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	Capsim	Exact match	Aix-en-provence, FranceHQ recorded Sep 28, 2026	11-50	36 contacts →
	Exact match “CAPSIM is your specialist partner on the behaviour of electrical networks and electrotechnical systems.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	Omnegy By Epsa	Exact match	Paris, FranceHQ recorded Sep 28, 2026	11-50	34 contacts →
	Exact match “OMNEGY est un cabinet de conseil en énergie pour les entreprises, spécialiste des achats et des contrats d'énergie.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	Copergreen	Exact match	Clermont-ferrand, FranceHQ recorded Sep 28, 2026	11-50	34 contacts →
	Exact match “COPERGREEN - Integrator of photovoltaic projects.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	Topo Etudes	Exact match	Lisieux, FranceHQ recorded Sep 28, 2026	51-200	34 contacts →
	Exact match “TOPO-ETUDES Est un bureau d'études spécialisé dans la conception des réseaux aériens et souterrains de Distribution d'Energie, la société a été créée en 1990 et a développé des…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	Laglasse & Omhovere L Fayat Énergie Services	Exact match	Marly, FranceHQ recorded Sep 28, 2026	11-50	30 contacts →
	Exact match “LAGLASSE & OMHOVERE, créée en 1986, est un bureau d’études spécialisé dans la conception et l’optimisation des réseaux électriques aériens et souterrains à Haute et Très Haute…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	CEREL	Exact match	Roissy-En-France, FranceHQ recorded Sep 28, 2026	11-50	27 contacts →
	Exact match “CEREL existe car nous croyons fermement que la réponse aux défis énergétiques de demain passe par la modernisation et la fiabilisation des infrastructures électriques…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19	Imes Group	Exact match	Ennery, FranceHQ recorded Sep 28, 2026	11-50	24 contacts →
	Exact match “IMES delivers services across the entire lifecycle of electricity infrastructure projects, from preliminary design, tendering to commissioning.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	ELTIS	Exact match	Meythet, FranceHQ recorded Sep 28, 2026	51-200	22 contacts →
	Exact match “Eltis réunit au sein d’une même entreprise tous les métiers de l’ingénierie électrique pour prendre en main l’ensemble vos besoins : depuis l’installation de votre station solaire…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	Syneria	Exact match	Paris, FranceHQ recorded Sep 28, 2026	11-50	21 contacts →
	Exact match “Syneria is an international consultancy firm providing technical advisory services throughout the full lifecycle of renewable energy projects.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22	Resipelec	Exact match	Templemars, FranceHQ recorded Sep 28, 2026	11-50	21 contacts →
	Exact match “Resipelec opère et met en œuvre ses services et compétences dans tous secteurs liés à l'ingénierie électrique HT/BT/TBT, l'automatisme et les réseaux convergents.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23	Natural Power France	Exact match	Nantes, FranceHQ recorded Sep 28, 2026	201-500	19 contacts →
	Exact match “Natural Power, fort d’une expertise unique de plus de 20 ans en gestion de projet, est un prestataire indépendant de conseils et services pour la valorisation des énergies…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	Kilowattsol	Exact match	Lyon, FranceHQ recorded Sep 28, 2026	11-50	18 contacts →
	Exact match “An investment in knowledge always pays the best interest” – Benjamin Franklin kiloWattsol is a leading independent consultancy and technical advisory in the field of solar energy.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25	Ariess Consulting	Exact match	Méré, FranceHQ recorded Sep 28, 2026	11-50	18 contacts →
	Exact match “ARIESS Consulting est un Bureau de Conseils et d’Études techniques indépendant et pluridisciplinaire, spécialisé Digital.” Recorded in the RevenueBase company graph · Sep 28, 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 “grid interconnection consulting firms”. 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 285 grid interconnection consulting firms based in France

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Grid interconnection consulting firms based in France at a glance

As of Sep 28, 2026

33.5%Verified-email coverage

15.6Average contacts per company

1-10Median size (employees)

11.9%Largest-city concentration · Paris

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

191

11-50

51-200

201-500

5,001-10,000

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 285 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 “grid interconnection consulting firms” 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 1,491 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 September 28, 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.

Grid interconnection consulting firms by metro

Grid interconnection consulting firms in Paris34

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 “grid interconnection consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many grid interconnection consulting firms are there based in France?

RevenueBase identified 285 company matches for grid interconnection consulting firms associated with France as of September 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?

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

Which city has the most grid interconnection consulting firms?

Paris leads with 34 company records, followed by Lyon (11) and Marseille (8).

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 1,491 professional contacts with verified work emails tracked across these 285 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 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 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.