Company lists · Data verified August 2026

Top 25 Electric utility consulting firms based in France

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 301 companies tracked

There are 301 electric utility consulting firms headquartered in France (RevenueBase, August 2026). RevenueBase tracks 4,998 professional contacts across them, including 1,872 with verified work emails and 105 with mobile numbers. Paris is the largest hub.

This list covers electric utility consulting firms headquartered in France, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

301Companies

4,998Contacts tracked

1,872Verified emails

105Mobile numbers

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The 25 largest electric utility consulting firms based in France

Ranked by team size

Top 25 of 301 electric utility consulting firms based in France, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Omexom	Nanterre	5,001-10,000	1,897	642
2	Hager France	Obernai	501-1,000	313	135
3	Alliance DES Énergies	Paris	51-200	161	92
4	Yélé Consulting	Le Carillon	51-200	142	90
5	Groupe Betem	n/a	201-500	140	86
6	Energies France	Gennevilliers	51-200	105	60
7	RTE International	Dazur	51-200	104	53
8	Energie & Service	n/a	51-200	92	53
9	Synapse Construction	Dijon	51-200	71	48
10	Arnest	Lyon	51-200	71	34
11	Erese Groupe Scet HTC	Paris	51-200	61	39
12	Aginergy	Aix-En-Provence	51-200	60	40
13	Optima Énergie	Plescop	11-50	56	12
14	Akajoule	Saint Nazaire	11-50	54	33
15	Coretec SA	Decines-Charpieu	51-200	47	36
16	Capitole Énergie By Epsa	Paris	11-50	40	26
17	Clean Horizon	Paris	11-50	38	19
18	ENEOR	Dardilly	11-50	38	7
19	Capsim	Aix-En-Provence	11-50	37	20
20	Studeffi	La Roche-Sur-Yon	11-50	35	26
21	Omnegy By Epsa	Paris	11-50	34	26
22	Topo Etudes	Evreux	51-200	34	19
23	Laglasse & Omhovere L Fayat Énergie Services	Marly	11-50	29	1
24	IMAEE	Chavelot	11-50	26	7
25	Atlante	Paris	11-50	23	10

Showing 25 of 301 electric utility consulting firms based in France

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Electric utility consulting firms based in France at a glance

As of Aug 28, 2026

1-10Median size (employees)

ParisLargest hub · 48 HQs

105Contacts with mobile numbers

3Emails re-verified in last 30 days

Companies by employee count

1-10

211

11-50

51-200

201-500

501-1,000

5,001-10,000

Electric utility consulting firms by metro

Metro	Companies
Electric utility consulting firms in Paris	48
Electric utility consulting firms in Lyon	10
Electric utility consulting firms in Marseille	7
Electric utility consulting firms in Toulouse	6
Electric utility consulting firms in Grenoble	5
Electric utility consulting firms in Lille	5
Electric utility consulting firms in Villeurbanne	3

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “electric utility consulting firms”, with match quality audited by blind human judging, and headquartered in France.
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: Contact records re-verify on a rolling cadence; 3 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many electric utility consulting firms are there based in France?

There are 301 electric utility consulting firms headquartered in France as of August 2026 (RevenueBase).

What is the largest company on this list?

Omexom, headquartered in Nanterre, tops this list with the largest team on record.

Which city has the most electric utility consulting firms?

Paris leads with 48 headquartered companies, followed by Lyon (10) and Marseille (7).

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 1,872 verified decision-maker contacts tracked across these 301 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.