Company lists · Data refreshed September 2026

Top 25 Green hydrogen investment firms worldwide

RevenueBase identified 1,263 company matches for green hydrogen investment firms worldwide as of September 2026 and tracks 44,884 professional contacts across them, including 16,331 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for green hydrogen investment firms worldwide, 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. Country and city lists for green hydrogen investment firms follow the table.

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
1,263Companies
44,884Contacts tracked
16,331Verified emails
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The 25 largest green hydrogen investment firms worldwide

Ranked by team size
Top 25 of 1,263 company matches for green hydrogen investment firms worldwide, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchEssen, GermanyHQ recorded Sep 28, 202610001+11,181 contacts →

Exact match

“RWE is leading the way to a modern energy world.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2Exact matchGurugram, IndiaHQ recorded Sep 28, 20261,001-5,0004,340 contacts →

Exact match

“ReNew is a leading decarbonisation solutions provider and the first Indian clean energy company to list on Nasdaq (Nasdaq: RNW).”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3Exact matchHyderabad, IndiaHQ recorded Sep 28, 20261,001-5,0002,578 contacts →

Exact match

“Greenko, is one of the World’s leading Energy Transition and Decarbonization solutions company, with an installed Renewable Energy capacity of ~7.5 GW across Wind, Solar and Hydro…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4Exact matchGurgaon, IndiaHQ recorded Sep 28, 20261,001-5,0002,242 contacts →

Exact match

“ACME Group is one of the leading global sustainable and renewable energy companies and a beacon of innovation in the sustainable energy landscape for the past 2 decades.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5Exact matchLatham, NY, United StatesHQ recorded Sep 28, 20261,001-5,0002,037 contacts →

Exact match

“Plug is building an end-to-end green hydrogen ecosystem, from production, storage and delivery to energy generation, to help its customers meet their business goals and…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6Exact matchHuangpu District, ChinaHQ recorded Sep 28, 20261,001-5,0001,961 contacts →

Exact match

“Envision Energy is a world-leading green technology company that provides renewable energy solutions for global enterprises, governments, and institutions.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7Exact matchMumbai, IndiaHQ recorded Sep 28, 20265,001-10,0001,747 contacts →

Exact match

“Avaada Group is a diversified clean energy conglomerate focused on the global energy transition, providing solutions in renewable power generation, solar PV manufacturing, green…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8Exact matchMadrid, SpainHQ recorded Sep 28, 202610001+1,298 contacts →

Exact match

“Somos una compañía comprometida con la energía y la movilidad sostenibles basadas en moléculas verdes.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9Exact matchAbu Dhabi, United Arab EmiratesHQ recorded Sep 28, 2026501-1,0001,026 contacts →

Exact match

“Established in 2006, Masdar is a global clean energy leader, transforming how the world produces and consumes energy through bold innovation and commercial excellence.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10Exact matchStockholm, SwedenHQ recorded Sep 28, 2026201-500711 contacts →

Exact match

“Founded in 2020, Stegra (formerly H2 Green Steel) was created with the purpose to decarbonize hard-to-abate industry.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11Exact matchDortmund, GermanyHQ recorded Sep 28, 20261,001-5,000691 contacts →

Exact match

“thyssenkrupp nucera offers world-leading technologies for high-efficiency electrolysis plants.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12Exact matchBerlin, GermanyHQ recorded Sep 28, 2026201-500565 contacts →

Exact match

“Q ENERGY is Europe’s 360° green energy company.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13Exact matchFremont, United StatesHQ recorded Sep 28, 2026501-1,000547 contacts →

Exact match

“Ohmium's mission is to accelerate the adoption of green hydrogen to decarbonize hard-to-abate sectors and enable a low-carbon future.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14Exact matchNew Delhi, IndiaHQ recorded Sep 28, 2026501-1,000544 contacts →

Exact match

“Hero Future Energies (An ISO 27001:2022 Certified Company) is a leading global renewable energy company and part of the illustrious Hero Group, one of the most respected business…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15Exact matchKorea, South KoreaHQ recorded Sep 28, 2026501-1,000284 contacts →

Exact match

“We are a company that can organically connect renewable energy, clean hydrogen, energy solutions, and the LNG business to create synergy.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16Exact matchTabuk, Saudi ArabiaHQ recorded Sep 28, 202651-200260 contacts →

Exact match

“NEOM Green Hydrogen Company (NGHC) is on a mission to make a carbon-free, climate-safe future a reality.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17Exact matchAlmería, SpainHQ recorded Sep 28, 2026501-1,000216 contacts →

Exact match

“TCI GECOMP es una empresa de Ingeniería y Construcción especializada en Energías renovables e Hidrógeno Verde con presencia en España, Perú, Chile y Argentina.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18Exact matchNantes, FranceHQ recorded Sep 28, 202651-200210 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 · Sep 28, 2026 · View company records in RevenueBase
19Exact matchUnited StatesHQ recorded Sep 28, 202651-200198 contacts →

Exact match

“Gentari, a clean energy solutions company founded by PETRONAS, is focused on delivering the solutions required to put clean energy into action today, to transform how we live…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20Exact matchAnnapolis, MD, United StatesHQ recorded Sep 28, 202651-200196 contacts →

Exact match

“HASI invests in sustainable infrastructure assets advancing the energy transition.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21Exact matchHouston, TX, United StatesHQ recorded Sep 28, 202651-200173 contacts →

Exact match

“Founded in 1998, Quantum Capital Group is a leading provider of private equity, credit, and venture capital to the global energy and energy transition industry, having managed…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22Exact matchBangrak, ThailandHQ recorded Sep 28, 2026201-500166 contacts →

Exact match

“BIG - A Climate Tech Company - is a leader in industrial gas and greenhouse gas reduction technology.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23Exact matchBrussels, BelgiumHQ recorded Sep 28, 202651-200154 contacts →

Exact match

“TES is a global green energy company focused on developing giga-scale projects to produce hydrogen-based e-fuels, such as e-NG (electric natural gas made from green hydrogen and…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24Exact matchMadrid, SpainHQ recorded Sep 28, 202651-200147 contacts →

Exact match

“Matrix Renewables is a global renewable energy platform created and backed by global alternative asset manager TPG and its $31 billion impact-investing platform.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25Exact matchBéziers, FranceHQ recorded Sep 28, 202651-200144 contacts →

Exact match

“Today, and for decades, global warming is a reality.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase

Showing 25 of 1,263 green hydrogen investment firms worldwide

See the full list, filter by size, metro and specialty, and access 16,331 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Green hydrogen investment firms worldwide at a glance

As of Sep 28, 2026
36.4%Verified-email coverage
35.5Average contacts per company
1-10Median size (employees)
4.4%Largest-city concentration · London
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
712
11-50
375
51-200
112
201-500
26
501-1,000
19
1,001-5,000
12
5,001-10,000
2
10001+
4

Email recency is reported on each country list linked below.

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.
Coverage
Every country. Country and city lists for green hydrogen investment firms are linked below.
What qualifies
Company records worldwide whose business descriptions match “green hydrogen investment 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. 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 16,331 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.

Green hydrogen investment firms by location

13 lists · largest first

Every Green hydrogen investment firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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

How many green hydrogen investment firms are there worldwide?

RevenueBase identified 1,263 company matches for green hydrogen investment firms worldwide 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?

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

Which country has the most green hydrogen investment firms?

The United States leads with 179 companies, followed by the United Kingdom (117) and Germany (78). Every green hydrogen investment firms list by country and city is linked on this page.

Which city has the most green hydrogen investment firms?

London leads with 55 company records, followed by Madrid (31) and Houston (19).

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 16,331 professional contacts with verified work emails tracked across these 1,263 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.