Company lists · Data refreshed September 2026
Top 25 Green hydrogen consulting firms worldwide
RevenueBase identified 1,466 company matches for green hydrogen consulting firms worldwide as of September 2026 and tracks 21,249 professional contacts across them, including 7,821 with verified work emails. The United States is the largest market and London the largest hub.
This list covers company matches for green hydrogen consulting 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 21, 2026. Country and city lists for green hydrogen consulting 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.
The 25 largest green hydrogen consulting firms worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 4,340 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 21, 2026 · View company records in RevenueBase | |||||
| 2 | 2,037 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 21, 2026 · View company records in RevenueBase | |||||
| 3 | 711 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 21, 2026 · View company records in RevenueBase | |||||
| 4 | 691 contacts → | ||||
Exact match “thyssenkrupp nucera offers world-leading technologies for high-efficiency electrolysis plants.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 5 | 547 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 21, 2026 · View company records in RevenueBase | |||||
| 6 | 434 contacts → | ||||
Exact match “Synergy Consulting is Global Leader in Financial and Corporate Advisory.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 7 | 378 contacts → | ||||
Exact match “As a technological pioneer, Quest One develops and produces innovative PEM electrolyzers and electrolyzer stacks.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 8 | 365 contacts → | ||||
Exact match “DORIS is a leader in the provision of engineering, advisory, and project management services to the energy industry.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 9 | 264 contacts → | ||||
Exact match “Solaris MCI leads engineering, procurement, and project execution with a focus on agility and reliability, specializing in natural gas, LNG, hydrogen, ammonia, methanol, carbon…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 10 | 260 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 21, 2026 · View company records in RevenueBase | |||||
| 11 | 216 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 21, 2026 · View company records in RevenueBase | |||||
| 12 | 210 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 21, 2026 · View company records in RevenueBase | |||||
| 13 | 167 contacts → | ||||
Exact match “Sunkonnect is a leading energy transition and renewable energy consulting company delivering end-to-end engineering, quality assurance, project management consultancy, and…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 14 | 154 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 21, 2026 · View company records in RevenueBase | |||||
| 15 | 137 contacts → | ||||
Exact match “GeoPura has a totally zero emissions answer to how we’re going to generate and distribute the vast amount of energy required to decarbonise our global economies.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 16 | 131 contacts → | ||||
Exact match “AM Green is indirectly wholly owned and controlled by the founders of Hyderabad-based Greenko Group - Anil Chalamalasetty and Mahesh Kolli.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 17 | 130 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 18 | 127 contacts → | ||||
Exact match “Hynamics est la filiale 100% du groupe EDF qui produit et commercialise de l'hydrogène bas carbone; elle adresse les deux marchés les plus émetteurs de CO2 que sont l’industrie et…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 19 | 123 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 · Sep 21, 2026 · View company records in RevenueBase | |||||
| 20 | 122 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 · Sep 21, 2026 · View company records in RevenueBase | |||||
| 21 | 113 contacts → | ||||
Exact match “Our mission is to accelerate the world’s shift away from fossil fuels to green hydrogen by delivering the world’s best electrolyser.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 22 | 113 contacts → | ||||
Exact match “Hygenco aims to be a global leader in deploying Green Hydrogen and Green Ammonia powered industry solutions.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 23 | 109 contacts → | ||||
Exact match “Die Tyczka Gruppe ist ein Gasespezialist mit Fokus auf Flüssiggas, Industriegase und Wasserstoff.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 24 | 109 contacts → | ||||
Exact match “Rishabh Pro Engineering Services Private Limited is a leading multidisciplinary design engineering firm with over two decades of experience.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 25 | 100 contacts → | ||||
Exact match “Everoze is an employee-owned renewables, green hydrogen and storage consultancy.” Recorded in the RevenueBase company graph · Sep 21, 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 “green hydrogen 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 1,466 green hydrogen consulting firms worldwide
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Green hydrogen consulting firms worldwide at a glance
As of Sep 21, 2026Companies by employee count
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 consulting firms are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “green hydrogen 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. 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 7,821 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 21, 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 consulting firms by location
10 lists · largest firstEvery Green hydrogen consulting firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Green hydrogen consulting firms based in the United States144
- Green hydrogen consulting firms based in the United Kingdom130
- Green hydrogen consulting firms based in Germany120
- Green hydrogen consulting firms based in India93
- Green hydrogen consulting firms based in France92
- Green hydrogen consulting firms based in Spain75
- Green hydrogen consulting firms based in the Netherlands56
- Green hydrogen consulting firms based in Canada52
- Green hydrogen consulting firms based in Australia44
- Green hydrogen consulting firms based in Italy40
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 consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many green hydrogen consulting firms are there worldwide?
RevenueBase identified 1,466 company matches for green hydrogen consulting 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?
RENEW tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most green hydrogen consulting firms?
The United States leads with 144 companies, followed by the United Kingdom (130) and Germany (120). Every green hydrogen consulting firms list by country and city is linked on this page.
Which city has the most green hydrogen consulting firms?
London leads with 51 company records, followed by Madrid (22) and Paris (21).
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 7,821 professional contacts with verified work emails tracked across these 1,466 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 21, 2026.
Ready to reach these companies? Verified emails and direct dials for all 1,466 green hydrogen consulting firms worldwide. Start with a free account, no credit card.
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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.
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Company intelligence · public preview
Top 25 green hydrogen consulting firms worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 1,466 matching company records for green hydrogen consulting firms worldwide, with 21,249 tracked contacts and 7,821 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 21, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 green hydrogen consulting firms worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  RENEWrenew.comHQ: Gurugram, IndiaReported employees: 1,001-5,000 | Gurugram, India | 1,001-5,000 | Exact match | 4,340 contacts → |
“ReNew is a leading decarbonisation solutions provider and the first Indian clean energy company to list on Nasdaq (Nasdaq: RNW).” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Plug Powerplugpower.comHQ: Latham, NY, United StatesReported employees: 1,001-5,000 | Latham, NY, United States | 1,001-5,000 | Exact match | 2,037 contacts → |
“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 description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Stegrastegra.com HQ: Stockholm, SwedenReported employees: 201-500 | Stockholm, Sweden | 201-500 | Exact match | 711 contacts → |
“Founded in 2020, Stegra (formerly H2 Green Steel) was created with the purpose to decarbonize hard-to-abate industry.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Thyssenkrupp Nucerathyssenkrupp-nucera.comHQ: Dortmund, GermanyReported employees: 1,001-5,000 | Dortmund, Germany | 1,001-5,000 | Exact match | 691 contacts → |
“thyssenkrupp nucera offers world-leading technologies for high-efficiency electrolysis plants.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Ohmiumohmium.com HQ: Fremont, United StatesReported employees: 501-1,000 | Fremont, United States | 501-1,000 | Exact match | 547 contacts → |
“Ohmium's mission is to accelerate the adoption of green hydrogen to decarbonize hard-to-abate sectors and enable a low-carbon future.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Synergy Consulting, INCsynergyconsultingifa.comHQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 434 contacts → |
“Synergy Consulting is Global Leader in Financial and Corporate Advisory.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Quest ONEquestone.comHQ: Augsburg, GermanyReported employees: 501-1,000 | Augsburg, Germany | 501-1,000 | Exact match | 378 contacts → |
“As a technological pioneer, Quest One develops and produces innovative PEM electrolyzers and electrolyzer stacks.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Doris Groupdorisgroup.comHQ: Paris, FranceReported employees: 501-1,000 | Paris, France | 501-1,000 | Exact match | 365 contacts → |
“DORIS is a leader in the provision of engineering, advisory, and project management services to the energy industry.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Solaris MCIsolaris-mci.comHQ: Surrey, BC, CanadaReported employees: 201-500 | Surrey, BC, Canada | 201-500 | Exact match | 264 contacts → |
“Solaris MCI leads engineering, procurement, and project execution with a focus on agility and reliability, specializing in natural gas, LNG, hydrogen, ammonia, methanol, carbon…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Neom Green Hydrogen Companynghc.com HQ: Tabuk, Saudi ArabiaReported employees: 51-200 | Tabuk, Saudi Arabia | 51-200 | Exact match | 260 contacts → |
“NEOM Green Hydrogen Company (NGHC) is on a mission to make a carbon-free, climate-safe future a reality.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  TCI Gecomptci-gecomp.comHQ: Almería, SpainReported employees: 501-1,000 | Almería, Spain | 501-1,000 | Exact match | 216 contacts → |
“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 description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  LHYFElhyfe.comHQ: Nantes, FranceReported employees: 51-200 | Nantes, France | 51-200 | Exact match | 210 contacts → |
“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 description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Sunkonnect PTE LTDsunkonnect.co HQ: SingaporeReported employees: 201-500 | Singapore | 201-500 | Exact match | 167 contacts → |
“Sunkonnect is a leading energy transition and renewable energy consulting company delivering end-to-end engineering, quality assurance, project management consultancy, and…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  TEStes-h2.comHQ: Brussels, BelgiumReported employees: 51-200 | Brussels, Belgium | 51-200 | Exact match | 154 contacts → |
“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 description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Geopurageopura.comHQ: Newcastle, United KingdomReported employees: 51-200 | Newcastle, United Kingdom | 51-200 | Exact match | 137 contacts → |
“GeoPura has a totally zero emissions answer to how we’re going to generate and distribute the vast amount of energy required to decarbonise our global economies.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | AM Green Groupamgreen.com HQ: United StatesReported employees: 51-200 | United States | 51-200 | Exact match | 131 contacts → |
“AM Green is indirectly wholly owned and controlled by the founders of Hyderabad-based Greenko Group - Anil Chalamalasetty and Mahesh Kolli.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Oneh2, INConeh2.comHQ: Longview, NC, United StatesReported employees: 51-200 | Longview, NC, United States | 51-200 | Exact match | 130 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 |  Hynamicshynamics.comHQ: Paris, FranceReported employees: 51-200 | Paris, France | 51-200 | Exact match | 127 contacts → |
“Hynamics est la filiale 100% du groupe EDF qui produit et commercialise de l'hydrogène bas carbone; elle adresse les deux marchés les plus émetteurs de CO2 que sont l’industrie et…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  HDF Energyhdf-energy.comHQ: Blanquefort, FranceReported employees: 51-200 | Blanquefort, France | 51-200 | Exact match | 123 contacts → |
“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 description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Sofregaz SASsofregaz.frHQ: Puteaux, FranceReported employees: 51-200 | Puteaux, France | 51-200 | Exact match | 122 contacts → |
“SOFREGAZ is a leading independent engineering company, created in 1959 by Gaz de France, with over 1300 projects across 95 countries.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Hysatahysata.comHQ: Wollongong, AustraliaReported employees: 11-50 | Wollongong, Australia | 11-50 | Exact match | 113 contacts → |
“Our mission is to accelerate the world’s shift away from fossil fuels to green hydrogen by delivering the world’s best electrolyser.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Hygencohygenco.in HQ: Gurugram, IndiaReported employees: 51-200 | Gurugram, India | 51-200 | Exact match | 113 contacts → |
“Hygenco aims to be a global leader in deploying Green Hydrogen and Green Ammonia powered industry solutions.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Tyczka Grouptyczka.comHQ: Geretsried, GermanyReported employees: 501-1,000 | Geretsried, Germany | 501-1,000 | Exact match | 109 contacts → |
“Die Tyczka Gruppe ist ein Gasespezialist mit Fokus auf Flüssiggas, Industriegase und Wasserstoff.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Rishabh PRO Engineeringrishabheng.comHQ: Vadodara, IndiaReported employees: 51-200 | Vadodara, India | 51-200 | Exact match | 109 contacts → |
“Rishabh Pro Engineering Services Private Limited is a leading multidisciplinary design engineering firm with over two decades of experience.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Everozeeveroze.comHQ: Bristol, United KingdomReported employees: 51-200 | Bristol, United Kingdom | 51-200 | Exact match | 100 contacts → |
“Everoze is an employee-owned renewables, green hydrogen and storage consultancy.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,466 company matches
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Green hydrogen consulting firms: dataset insights
September 21, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
1,466 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 1,466 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 21, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Green hydrogen consulting firms by location
10 lists · largest firstEvery Green hydrogen consulting firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Green hydrogen consulting firms based in the United States144
- Green hydrogen consulting firms based in the United Kingdom130
- Green hydrogen consulting firms based in Germany120
- Green hydrogen consulting firms based in India93
- Green hydrogen consulting firms based in France92
- Green hydrogen consulting firms based in Spain75
- Green hydrogen consulting firms based in the Netherlands56
- Green hydrogen consulting firms based in Canada52
- Green hydrogen consulting firms based in Australia44
- Green hydrogen consulting firms based in Italy40
Questions about this company list
What does Exact match mean for green hydrogen consulting firms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many green hydrogen consulting firms did RevenueBase find worldwide?
The saved snapshot records 1,466 matching company records, 21,249 tracked contacts and 7,821 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 21, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 green hydrogen consulting firms worldwide. Snapshot: September 21, 2026. https://revenuebase.ai/companies/browse/green-hydrogen-consulting-firms.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 green hydrogen consulting firms worldwide
RevenueBase records 1,466 matching company records for green hydrogen consulting firms worldwide, with 21,249 tracked contacts and 7,821 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 21, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 green hydrogen consulting firms worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | RENEWrenew.com HQ: Gurugram, IndiaReported employees: 1,001-5,000 | Gurugram, India | 1,001-5,000 | Exact match | 4,340 contacts → |
“ReNew is a leading decarbonisation solutions provider and the first Indian clean energy company to list on Nasdaq (Nasdaq: RNW).” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Plug Powerplugpower.com HQ: Latham, NY, United StatesReported employees: 1,001-5,000 | Latham, NY, United States | 1,001-5,000 | Exact match | 2,037 contacts → |
“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 description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Stegrastegra.com HQ: Stockholm, SwedenReported employees: 201-500 | Stockholm, Sweden | 201-500 | Exact match | 711 contacts → |
“Founded in 2020, Stegra (formerly H2 Green Steel) was created with the purpose to decarbonize hard-to-abate industry.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Thyssenkrupp Nucerathyssenkrupp-nucera.com HQ: Dortmund, GermanyReported employees: 1,001-5,000 | Dortmund, Germany | 1,001-5,000 | Exact match | 691 contacts → |
“thyssenkrupp nucera offers world-leading technologies for high-efficiency electrolysis plants.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Ohmiumohmium.com HQ: Fremont, United StatesReported employees: 501-1,000 | Fremont, United States | 501-1,000 | Exact match | 547 contacts → |
“Ohmium's mission is to accelerate the adoption of green hydrogen to decarbonize hard-to-abate sectors and enable a low-carbon future.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Synergy Consulting, INCsynergyconsultingifa.com HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 434 contacts → |
“Synergy Consulting is Global Leader in Financial and Corporate Advisory.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Quest ONEquestone.com HQ: Augsburg, GermanyReported employees: 501-1,000 | Augsburg, Germany | 501-1,000 | Exact match | 378 contacts → |
“As a technological pioneer, Quest One develops and produces innovative PEM electrolyzers and electrolyzer stacks.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Doris Groupdorisgroup.com HQ: Paris, FranceReported employees: 501-1,000 | Paris, France | 501-1,000 | Exact match | 365 contacts → |
“DORIS is a leader in the provision of engineering, advisory, and project management services to the energy industry.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Solaris MCIsolaris-mci.com HQ: Surrey, BC, CanadaReported employees: 201-500 | Surrey, BC, Canada | 201-500 | Exact match | 264 contacts → |
“Solaris MCI leads engineering, procurement, and project execution with a focus on agility and reliability, specializing in natural gas, LNG, hydrogen, ammonia, methanol, carbon…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Neom Green Hydrogen Companynghc.com HQ: Tabuk, Saudi ArabiaReported employees: 51-200 | Tabuk, Saudi Arabia | 51-200 | Exact match | 260 contacts → |
“NEOM Green Hydrogen Company (NGHC) is on a mission to make a carbon-free, climate-safe future a reality.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | TCI Gecomptci-gecomp.com HQ: Almería, SpainReported employees: 501-1,000 | Almería, Spain | 501-1,000 | Exact match | 216 contacts → |
“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 description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | LHYFElhyfe.com HQ: Nantes, FranceReported employees: 51-200 | Nantes, France | 51-200 | Exact match | 210 contacts → |
“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 description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Sunkonnect PTE LTDsunkonnect.co HQ: SingaporeReported employees: 201-500 | Singapore | 201-500 | Exact match | 167 contacts → |
“Sunkonnect is a leading energy transition and renewable energy consulting company delivering end-to-end engineering, quality assurance, project management consultancy, and…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | TEStes-h2.com HQ: Brussels, BelgiumReported employees: 51-200 | Brussels, Belgium | 51-200 | Exact match | 154 contacts → |
“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 description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Geopurageopura.com HQ: Newcastle, United KingdomReported employees: 51-200 | Newcastle, United Kingdom | 51-200 | Exact match | 137 contacts → |
“GeoPura has a totally zero emissions answer to how we’re going to generate and distribute the vast amount of energy required to decarbonise our global economies.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | AM Green Groupamgreen.com HQ: United StatesReported employees: 51-200 | United States | 51-200 | Exact match | 131 contacts → |
“AM Green is indirectly wholly owned and controlled by the founders of Hyderabad-based Greenko Group - Anil Chalamalasetty and Mahesh Kolli.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Oneh2, INConeh2.com HQ: Longview, NC, United StatesReported employees: 51-200 | Longview, NC, United States | 51-200 | Exact match | 130 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 | Hynamicshynamics.com HQ: Paris, FranceReported employees: 51-200 | Paris, France | 51-200 | Exact match | 127 contacts → |
“Hynamics est la filiale 100% du groupe EDF qui produit et commercialise de l'hydrogène bas carbone; elle adresse les deux marchés les plus émetteurs de CO2 que sont l’industrie et…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | HDF Energyhdf-energy.com HQ: Blanquefort, FranceReported employees: 51-200 | Blanquefort, France | 51-200 | Exact match | 123 contacts → |
“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 description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Sofregaz SASsofregaz.fr HQ: Puteaux, FranceReported employees: 51-200 | Puteaux, France | 51-200 | Exact match | 122 contacts → |
“SOFREGAZ is a leading independent engineering company, created in 1959 by Gaz de France, with over 1300 projects across 95 countries.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Hysatahysata.com HQ: Wollongong, AustraliaReported employees: 11-50 | Wollongong, Australia | 11-50 | Exact match | 113 contacts → |
“Our mission is to accelerate the world’s shift away from fossil fuels to green hydrogen by delivering the world’s best electrolyser.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Hygencohygenco.in HQ: Gurugram, IndiaReported employees: 51-200 | Gurugram, India | 51-200 | Exact match | 113 contacts → |
“Hygenco aims to be a global leader in deploying Green Hydrogen and Green Ammonia powered industry solutions.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Tyczka Grouptyczka.com HQ: Geretsried, GermanyReported employees: 501-1,000 | Geretsried, Germany | 501-1,000 | Exact match | 109 contacts → |
“Die Tyczka Gruppe ist ein Gasespezialist mit Fokus auf Flüssiggas, Industriegase und Wasserstoff.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Rishabh PRO Engineeringrishabheng.com HQ: Vadodara, IndiaReported employees: 51-200 | Vadodara, India | 51-200 | Exact match | 109 contacts → |
“Rishabh Pro Engineering Services Private Limited is a leading multidisciplinary design engineering firm with over two decades of experience.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Everozeeveroze.com HQ: Bristol, United KingdomReported employees: 51-200 | Bristol, United Kingdom | 51-200 | Exact match | 100 contacts → |
“Everoze is an employee-owned renewables, green hydrogen and storage consultancy.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Green hydrogen consulting firms: dataset insights
September 21, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
1,466 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 1,466 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 21, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Green hydrogen consulting firms by location
10 lists · largest firstEvery Green hydrogen consulting firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Green hydrogen consulting firms based in the United States144
- Green hydrogen consulting firms based in the United Kingdom130
- Green hydrogen consulting firms based in Germany120
- Green hydrogen consulting firms based in India93
- Green hydrogen consulting firms based in France92
- Green hydrogen consulting firms based in Spain75
- Green hydrogen consulting firms based in the Netherlands56
- Green hydrogen consulting firms based in Canada52
- Green hydrogen consulting firms based in Australia44
- Green hydrogen consulting firms based in Italy40
Questions about this company list
What does Exact match mean for green hydrogen consulting firms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many green hydrogen consulting firms did RevenueBase find worldwide?
The saved snapshot records 1,466 matching company records, 21,249 tracked contacts and 7,821 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 21, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
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Cite this list
RevenueBase Data Team. Top 25 green hydrogen consulting firms worldwide. Snapshot: September 21, 2026. https://revenuebase.ai/companies/browse/green-hydrogen-consulting-firms.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗