Company lists · Data refreshed September 2026

Top 25 Wind based green hydrogen companies based in the United Kingdom

RevenueBase identified 123 company matches for wind based green hydrogen companies associated with the United Kingdom as of September 2026 and tracks 12,583 professional contacts across them, including 4,646 with verified work emails. London is the largest hub.

This list covers company matches for wind based green hydrogen companies associated with the United Kingdom, 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 16, 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 16, 2026 How this list was built
123Companies
12,583Contacts tracked
4,646Verified emails
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The 25 largest wind based green hydrogen companies based in the United Kingdom

Ranked by team size
Top 25 of 123 company matches for wind based green hydrogen companies based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 16, 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 matchKings Langley, United KingdomHQ recorded Sep 16, 20261,001-5,0003,721 contacts →

Exact match

“RES is the world’s largest independent renewable energy company, working across 24 countries and active in wind, solar, energy storage, green hydrogen, transmission, and…”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
2Exact matchPerth, United KingdomHQ recorded Sep 16, 20261,001-5,0001,900 contacts →

Exact match

“SSE Renewables is a leading developer and operator of renewable energy generation, headquartered in the UK and Ireland, with a growing presence internationally.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
3Exact matchSelby, United KingdomHQ recorded Sep 16, 20261,001-5,0001,461 contacts →

Exact match

“Drax is enabling a zero carbon, lower cost energy future Drax Group is a renewable and flexible generation energy company engaged in renewable power generation, the production of…”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
4Exact matchLondon, United KingdomHQ recorded Sep 16, 20261,001-5,0001,114 contacts →

Exact match

“Lightsource bp is working to support a future powered by renewable, affordable and reliable energy that benefits our partners, people and planet.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
5Exact matchLondon, United KingdomHQ recorded Sep 16, 2026501-1,000563 contacts →

Exact match

“Sonnedix is a global renewable energy company delivering 100% clean electricity directly to customers through a diversified portfolio of solar, wind, and storage assets.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
6Exact matchLondon, United KingdomHQ recorded Sep 16, 2026501-1,000406 contacts →

Exact match

“Cubico Sustainable Investments is one of the world’s largest privately-owned renewable energy companies, leveraging our strong local presence with a unique combination of in-house…”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
7Exact matchSheffield, United KingdomHQ recorded Sep 16, 2026201-500285 contacts →

Exact match

“ITM Power was founded in and ITM Power plc was admitted to the AIM market of the London Stock Exchange in 2004.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
8Exact matchEdinburgh, United KingdomHQ recorded Sep 16, 202651-200154 contacts →

Exact match

“Flotation Energy Ltd delivers clean, green, renewable energy by using our expertise in floating and fixed offshore wind and the energy transition, supporting achievement of…”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
9Exact matchCranleigh, United KingdomHQ recorded Sep 16, 202651-200149 contacts →

Exact match

“AFC Energy is the leading provider of Hydrogen fuel cell technology to generate clean off-grid energy.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
10Exact matchLondon, United KingdomHQ recorded Sep 16, 202651-200142 contacts →

Exact match

“Statera Energy is a UK-based energy company that develops, owns, and operates flexible generation, battery storage, pumped hydro and green hydrogen projects.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
11Exact matchNewcastle, United KingdomHQ recorded Sep 16, 202651-200137 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 16, 2026 · View company records in RevenueBase
12Exact matchBristol, United KingdomHQ recorded Sep 16, 202651-200100 contacts →

Exact match

“Everoze is an employee-owned renewables, green hydrogen and storage consultancy.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
13Exact matchSwindon, United KingdomHQ recorded Sep 16, 2026501-1,00094 contacts →

Exact match

“Innogy Renewables UK Ltd is a leading business in the drive to generate more electricity from low carbon, inexhaustable domestic energy sources.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
14Exact matchManchester, United KingdomHQ recorded Sep 16, 202651-20051 contacts →

Exact match

“YLEM Energy is a leading independent power generation specialist with more than three decades’ experience in building, owning and operating smart generation systems.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
15Exact matchStone, United KingdomHQ recorded Sep 16, 202651-20049 contacts →

Exact match

“We're focused on delivering products and solutions to the green energy industry with a strong focus on Hydrogen, Biomethane and Natural Gas.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
16Exact matchArdersier, United KingdomHQ recorded Sep 16, 202651-20048 contacts →

Exact match

“Haventus is an energy transition facilities provider, offering pivotal infrastructure for the offshore wind industry.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
17Exact matchGlasgow, United KingdomHQ recorded Sep 16, 202611-5041 contacts →

Exact match

“Renewco Power is focused on developing utility-scale solar, wind, storage and green hydrogen projects across the UK and Europe.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
18Exact matchLondon, United KingdomHQ recorded Sep 16, 202651-20041 contacts →

Exact match

“Founded in 2018 by ambitious entrepreneurs, National Energy is a US-backed, privately funded group active globally across the renewable energy sector.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
19Exact matchBristol, United KingdomHQ recorded Sep 16, 202611-5040 contacts →

Exact match

“Belltown Power is an international renewable energy company (IPP).”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
20Exact matchLondon, United KingdomHQ recorded Sep 16, 202611-5039 contacts →

Exact match

“The world's first high pressure, ultra-efficient electrolyser for the lowest cost of pressurised green hydrogen.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
21Exact matchLondon, United KingdomHQ recorded Sep 16, 2026201-50033 contacts →

Exact match

“JERA Nex is an renewable energy developer launched by JERA, Japan's largest power generation company.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
22Exact matchOxford, United KingdomHQ recorded Sep 16, 202651-20033 contacts →

Exact match

“Ryze Power provides complete solutions in the alternative fuels space as sectors transition towards net zero.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
23Exact matchEast Wellow, United KingdomHQ recorded Sep 16, 2026201-50029 contacts →

Exact match

“Hive Energy is on a mission to save the planet.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
24Exact matchOxford, United KingdomHQ recorded Sep 16, 202611-5025 contacts →

Exact match

“Hygen is a leading developer, producer and asset owner of low-carbon hydrogen production facilities in the UK and Europe, focusing on the decarbonisation of mobility…”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
25Exact matchEdinburgh, United KingdomHQ recorded Sep 16, 202611-5024 contacts →

Exact match

“Green Cat Hydrogen develops green hydrogen projects.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase

Showing 25 of 123 wind based green hydrogen companies based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 4,646 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Wind based green hydrogen companies based in the United Kingdom at a glance

As of Sep 16, 2026
36.9%Verified-email coverage
102.3Average contacts per company
11-50Median size (employees)
28.5%Largest-city concentration · London
Sep 16, 2026Page data refreshed

Companies by employee count

1-10
52
11-50
37
51-200
19
201-500
6
501-1,000
3
1,001-5,000
6

Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 123 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 the United Kingdom whose business descriptions match “wind based green hydrogen companies” 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 4,646 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 16, 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 “wind based green hydrogen companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many wind based green hydrogen companies are there based in the United Kingdom?

RevenueBase identified 123 company matches for wind based green hydrogen companies associated with the United Kingdom 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?

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

Which city has the most wind based green hydrogen companies?

London leads with 35 company records, followed by Edinburgh (8) and Glasgow (6).

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 4,646 professional contacts with verified work emails tracked across these 123 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 16, 2026.

Ready to reach these companies? Verified emails and direct dials for all 123 wind based green hydrogen companies based in the United Kingdom. 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.