Company lists · Data refreshed November 2026

Top 25 Hydrogen consultancies based in France

Name: Hydrogen consultancies based in France
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 5, 2026 112 companies tracked

RevenueBase identified 112 company matches for hydrogen consultancies associated with France as of November 2026 and tracks 1,719 professional contacts across them, including 742 with verified work emails. Paris is the largest hub.

This list covers company matches for hydrogen consultancies 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 November 5, 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 Nov 5, 2026 How this list was built

112Companies

1,719Contacts tracked

742Verified emails

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The 25 largest hydrogen consultancies based in France

Ranked by team size

Top 25 of 112 company matches for hydrogen consultancies based in France, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 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	Beicip-Franlab	Exact match	Rueil-malmaison, FranceHQ recorded Nov 5, 2026	51-200	230 contacts →
	Exact match “Beicip-Franlab is a leading Energy Consultancy and Software Editor created in the 1960's with recognized worldwide hands-on expertise.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2	LHYFE	Exact match	Nantes, FranceHQ recorded Nov 5, 2026	51-200	205 contacts →
	Exact match “Lhyfe is a certain idea of the world, a world in which we can meet our energy needs by being part of the natural ecosystem rather than trying to dominate it.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3	Aventa	Exact match	Paris, FranceHQ recorded Nov 5, 2026	201-500	183 contacts →
	Exact match “Aventa empowers the Marine Energy market with the sharpest skills to help design a bluer future.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4	Sofregaz SAS	Exact match	Puteaux, FranceHQ recorded Nov 5, 2026	51-200	142 contacts →
	Exact match “SOFREGAZ is a leading independent engineering company, created in 1959 by Gaz de France, with over 1300 projects across 95 countries.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5	HDF Energy	Exact match	Blanquefort, FranceHQ recorded Nov 5, 2026	51-200	118 contacts →
	Exact match “HDF Energy is a leading global player in the hydrogen industry, dedicated to developing large-scale hydrogen infrastructure and advanced multi-megawatt fuel cell technology.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6	Eureteq	Exact match	Tarbes, FranceHQ recorded Nov 5, 2026	51-200	49 contacts →
	Exact match “EURETEQ est une société d'ingénierie indépendante dont les activités sont portées par 3 business units intervenant dans les domaines - des pipelines (BU CANA): Activité historique…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7	45-8 Energy	Exact match	Metz, FranceHQ recorded Nov 5, 2026	11-50	49 contacts →
	Exact match “L’entreprise européenne pionnière sur l’exploration et la production d’hélium et d’hydrogène naturel!” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8	HYVIA	Exact match	Villiers-Saint-Frederic, FranceHQ recorded Nov 5, 2026	51-200	39 contacts →
	Exact match “HYVIA: the new path to hydrogen mobility HYVIA is the first company to offer turnkey solutions for hydrogen mobility.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9	Helion Hydrogen Power	Exact match	Aix En Provence Cedex 4, FranceHQ recorded Nov 5, 2026	51-200	38 contacts →
	Exact match “With over 20 years of experience, HELION Hydrogen Power, subsidiary of Alstom, is a leading high-power hydrogen fuel cell manufacturer based in Aix-en-Provence, France.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10	In Situ Expert E S Hydraulicien NE S & Décarbonation	Exact match	Orvault, FranceHQ recorded Nov 5, 2026	11-50	36 contacts →
	Exact match “In Situ, société du Groupe Vensys, est un bureau d’études et centre de formation spécialisé en Hydraulique et Décarbonation depuis 2007, basé à Nantes.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11	Hydrogain	Exact match	Lyon, FranceHQ recorded Nov 5, 2026	11-50	35 contacts →
	Exact match “HydroGain is an engineering company and a training organization, born in Lyon at the heart of the Rhône-Alpes hydrogen ecosystem.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12	Deftline	Exact match	Cherbourg, FranceHQ recorded Nov 5, 2026	51-200	35 contacts →
	Exact match “DEFTLINE est un groupe d’ingénierie, de conseil et de services.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13	H2x-Ecosystems	Exact match	Bruz, FranceHQ recorded Nov 5, 2026	11-50	31 contacts →
	Exact match “H2X-Ecosystems est une entreprise spécialisée dans les solutions de production, distribution et consommation d'hydrogène renouvelable et bas carbone.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14	Mantle8	Exact match	Grenoble, FranceHQ recorded Nov 5, 2026	11-50	31 contacts →
	Exact match “We are a new generation of geologists leading the energy revolution by locating the Earth’s naturally occurring hydrogen reservoirs.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15	EHM	Exact match	Chateaulin, FranceHQ recorded Nov 5, 2026	11-50	25 contacts →
	Exact match “Founded in 2022 and located in Brittany, between Brest and Châteaulin, EHM stands as a pioneer in the development of hydrogen propulsion solutions.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16	H2gremm	Exact match	Edern, FranceHQ recorded Nov 5, 2026	11-50	24 contacts →
	Exact match “H2Gremm redefines the future of energy by placing hydrogen at the heart of sustainable mobility and energy autonomy for buildings.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17	Nucadvisor	Exact match	Puteaux, FranceHQ recorded Nov 5, 2026	11-50	20 contacts →
	Exact match “NucAdvisor is a nuclear consulting company established in France by a group of senior executives and high-level experts from across the European nuclear industry.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18	H2pulse	Exact match	Toulouse Cedex 09, FranceHQ recorded Nov 5, 2026	11-50	18 contacts →
	Exact match “En association avec la Plateforme Hydrogène, Toulouse et le laboratoire Laplace, H2PULSE accélère le transfert du savoir-faire & des résultats de la recherche vers le monde de…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19	Eifhytec	Exact match	Strasbourg, FranceHQ recorded Nov 5, 2026	1-10	15 contacts →
	Exact match “EIFHYTEC is a European industrial company based in Strasbourg, France, which brings together passionates of the energy transition around a common project: contributing to the…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20	Egee Développement	Exact match	Villeneuve-d’ascq, FranceHQ recorded Nov 5, 2026	1-10	9 contacts →
	Exact match “EGEE Développement est un bureau d'études intervenant dans le domaine des études et de l’ingénierie des Sciences de l’eau et de la terre.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21	Hyjack	Exact match	Paris, FranceHQ recorded Nov 5, 2026	1-10	9 contacts →
	Exact match “HyJack is a young start-up created in the early 2021.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22	Climat Conseil	Exact match	Poitiers, FranceHQ recorded Nov 5, 2026	1-10	6 contacts →
	Exact match “Climat Conseil est un bureau d'étude indépendant créé en C'est une société d'ingénierie spécialisée en maitrise d’œuvre, démarche environnementale et optimisation énergétique.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23	Sagim-Gip	Exact match	Saint-étienne, FranceHQ recorded Nov 5, 2026	1-10	5 contacts →
	Exact match “Depuis plus de 90 ans, SAGIM est spécialisée dans la fabrication d’unités de production d’hydrogène et est devenue le leader incontesté dans le domaine de la météorologie.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24	Terrensis	Exact match	Strasbourg, FranceHQ recorded Nov 5, 2026	1-10	5 contacts →
	Exact match “Terrensis est une entreprise d’exploration production d’hydrogène naturel.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25	H2team Hydrogen Engineering	Exact match	Albi, FranceHQ recorded Nov 5, 2026	1-10	4 contacts →
	Exact match “Créé en 2009, H2TEAM est un bureau d’études qui contribue au développement et à la sécurité de solutions hydrogène sur l’ensemble de sa chaine de valeur grâce à des expertises…” Recorded in the RevenueBase company graph · Nov 5, 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 “hydrogen consultancies”. 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 112 hydrogen consultancies based in France

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Hydrogen consultancies based in France at a glance

As of Nov 5, 2026

43.2%Verified-email coverage

15.3Average contacts per company

1-10Median size (employees)

12.5%Largest-city concentration · Paris

Nov 5, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

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 112 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 “hydrogen consultancies” 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 742 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 November 5, 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.

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 “hydrogen consultancies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many hydrogen consultancies are there based in France?

RevenueBase identified 112 company matches for hydrogen consultancies associated with France as of November 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?

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

Which city has the most hydrogen consultancies?

Paris leads with 14 company records, followed by Lyon (4) and Aix En Provence (2).

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 742 professional contacts with verified work emails tracked across these 112 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 November 5, 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.