Company lists · Data refreshed September 2026
Top 25 Hydrogen consultants based in the United Kingdom
RevenueBase identified 173 company matches for hydrogen consultants associated with the United Kingdom as of September 2026 and tracks 2,424 professional contacts across them, including 967 with verified work emails. London is the largest hub.
This list covers company matches for hydrogen consultants 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 21, 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.
The 25 largest hydrogen consultants based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 648 contacts → | ||||
Exact match “KBR Consulting is one of the world's foremost engineering consultancies specializing in the hydrocarbon and energy industry.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 2 | 285 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 21, 2026 · View company records in RevenueBase | |||||
| 3 | 149 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 21, 2026 · View company records in RevenueBase | |||||
| 4 | 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 | |||||
| 5 | 50 contacts → | ||||
Exact match “For too long, hydrogen was held back.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 6 | 49 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 21, 2026 · View company records in RevenueBase | |||||
| 7 | 47 contacts → | ||||
Exact match “AVA Energy – Powering Energy Talent.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 8 | 40 contacts → | ||||
Exact match “Fuel Cell Systems Ltd, a UK-based company with 15 years of expertise, specialises in fuel cell solutions and hydrogen refuelling systems.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 9 | 36 contacts → | ||||
Exact match “We are a highly experienced and fully independent hydrocarbon accounting consultancy, specialising in Measurement, Allocation and System Delivery projects for clients in the…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 10 | 35 contacts → | ||||
Exact match “We help energy companies keep critical pipeline infrastructure safe, compliant, and ready for the energy transition.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 11 | 33 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 21, 2026 · View company records in RevenueBase | |||||
| 12 | 31 contacts → | ||||
Exact match “Sabre Safety is the market leader in providing Hydrogen Sulfide (H2S) Services to the oil and gas exploration and production industry as well as specialist H2S support including…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 13 | 30 contacts → | ||||
Exact match “Based in Scotland, Logan is a designer, supplier, and integrator of complete hydrogen production, refuelling, compression, storage, dispensing and fuel cell solutions.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 14 | 27 contacts → | ||||
Exact match “Pace is the world’s leading provider of engineering design to the CCS and blue hydrogen industries.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 15 | 27 contacts → | ||||
Exact match “The energy transition is gaining momentum but needs to accelerate to meet the challenges posed by the climate emergency.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 16 | 24 contacts → | ||||
Exact match “Green Cat Hydrogen develops green hydrogen projects.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 17 | 21 contacts → | ||||
Exact match “Accelerating the hydrogen transition through actionable insights and networking.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 18 | 20 contacts → | ||||
Exact match “With locations in Leigh, Aberdeen and Pembroke Docks, NVFCL is the only authorised distributor in the UK for FITOK.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 19 | 19 contacts → | ||||
Exact match “Established in 1986, Hopespare Limited has been a trusted Certified Parker Hannifin Distributor for over 39 years, providing expert solutions in hydraulics, pneumatics, cooling…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 20 | 19 contacts → | ||||
Exact match “Filton Systems Engineering (FSE) are an exciting, innovative, family orientated, British, Engineering consultancy based in Bristol.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 21 | 19 contacts → | ||||
Exact match “Hydroplan is a leading UK hydropower consultancy specialising in the design, construction and project management of small to medium sized hydropower projects in the UK and…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 22 | 16 contacts → | ||||
Exact match “At N-Gen, we’re helping our customers to lead the race towards decarbonisation with low carbon hydrogen.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 23 | 15 contacts → | ||||
Exact match “Ecomar makes designs and consults on marine and industrial energy systems.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 24 | 14 contacts → | ||||
Exact match “Oort Energy is a manufacturer of green hydrogen systems for energy storage and clean fuel.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 25 | 14 contacts → | ||||
Exact match “Diteco is a leading source of H2S analysers for the onshore and offshore oil industry.” 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 “hydrogen consultants”. 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 173 hydrogen consultants based in the United Kingdom
See the full list, filter by size, metro and specialty, and access 967 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Hydrogen consultants based in the United Kingdom at a glance
As of Sep 21, 2026Companies by employee count
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 173 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 “hydrogen consultants” 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 967 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.
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 consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many hydrogen consultants are there based in the United Kingdom?
RevenueBase identified 173 company matches for hydrogen consultants 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?
KBR Granherne tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most hydrogen consultants?
London leads with 46 company records, followed by Aberdeen (7) and Manchester (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 967 professional contacts with verified work emails tracked across these 173 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 173 hydrogen consultants based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Hydrogen consultants by geography
- Hydrogen consultants based in Australia
- Hydrogen consultants based in Brazil
- Hydrogen consultants based in Canada
- Hydrogen consultants based in France
- Hydrogen consultants based in Germany
- Hydrogen consultants based in India
- Hydrogen consultants based in Italy
- Hydrogen consultants based in the Netherlands
- Hydrogen consultants based in Spain
- Hydrogen consultants based in the United States
Browse the directory
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.
More company lists
Company intelligence · public preview
Top 25 hydrogen consultants based in the United Kingdom
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 173 matching company records for hydrogen consultants based in the United Kingdom, with 2,424 tracked contacts and 967 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 hydrogen consultants based in the United Kingdom
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 |  KBR Granhernekbr.comHQ: Leatherhead, United KingdomReported employees: 501-1,000 | Leatherhead, United Kingdom | 501-1,000 | Exact match | 648 contacts → |
“KBR Consulting is one of the world's foremost engineering consultancies specializing in the hydrocarbon and energy industry.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  ITM Poweritm-power.comHQ: Sheffield, United KingdomReported employees: 201-500 | Sheffield, United Kingdom | 201-500 | Exact match | 285 contacts → |
“ITM Power was founded in and ITM Power plc was admitted to the AIM market of the London Stock Exchange in 2004.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | AFC Energyafcenergy.com HQ: Cranleigh, United KingdomReported employees: 51-200 | Cranleigh, United Kingdom | 51-200 | Exact match | 149 contacts → |
“AFC Energy is the leading provider of Hydrogen fuel cell technology to generate clean off-grid energy.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  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. | |||||
| 5 |  Clean Power Hydrogen PLCcph2.comHQ: Doncaster, United KingdomReported employees: 51-200 | Doncaster, United Kingdom | 51-200 | Exact match | 50 contacts → |
“For too long, hydrogen was held back.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Bohr Limitedbohreng.comHQ: Stone, United KingdomReported employees: 51-200 | Stone, United Kingdom | 51-200 | Exact match | 49 contacts → |
“We're focused on delivering products and solutions to the green energy industry with a strong focus on Hydrogen, Biomethane and Natural Gas.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  AVA Energyavaenergy.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 47 contacts → |
“AVA Energy – Powering Energy Talent.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Fuel Cell Systems LTDfuelcellsystems.co.ukHQ: Hungerford, United KingdomReported employees: 11-50 | Hungerford, United Kingdom | 11-50 | Exact match | 40 contacts → |
“Fuel Cell Systems Ltd, a UK-based company with 15 years of expertise, specialises in fuel cell solutions and hydrogen refuelling systems.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Accord Energy Solutions Limitedaccord-esl.comHQ: Aberdeen, United KingdomReported employees: 11-50 | Aberdeen, United Kingdom | 11-50 | Exact match | 36 contacts → |
“We are a highly experienced and fully independent hydrocarbon accounting consultancy, specialising in Measurement, Allocation and System Delivery projects for clients in the…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  AFAAafaa.co.ukHQ: Nottingham, United KingdomReported employees: 11-50 | Nottingham, United Kingdom | 11-50 | Exact match | 35 contacts → |
“We help energy companies keep critical pipeline infrastructure safe, compliant, and ready for the energy transition.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Ryze Powerryzepower.comHQ: Oxford, United KingdomReported employees: 51-200 | Oxford, United Kingdom | 51-200 | Exact match | 33 contacts → |
“Ryze Power provides complete solutions in the alternative fuels space as sectors transition towards net zero.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Sabre Safetysabresafety.com HQ: Dundee, United KingdomReported employees: 51-200 | Dundee, United Kingdom | 51-200 | Exact match | 31 contacts → |
“Sabre Safety is the market leader in providing Hydrogen Sulfide (H2S) Services to the oil and gas exploration and production industry as well as specialist H2S support including…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  LOGANloganenergy.comHQ: Edinburgh, United KingdomReported employees: 11-50 | Edinburgh, United Kingdom | 11-50 | Exact match | 30 contacts → |
“Based in Scotland, Logan is a designer, supplier, and integrator of complete hydrogen production, refuelling, compression, storage, dispensing and fuel cell solutions.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Pace CCSpaceccs.comHQ: City Of London, United KingdomReported employees: 11-50 | City Of London, United Kingdom | 11-50 | Exact match | 27 contacts → |
“Pace is the world’s leading provider of engineering design to the CCS and blue hydrogen industries.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Etascaetasca.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 27 contacts → |
“The energy transition is gaining momentum but needs to accelerate to meet the challenges posed by the climate emergency.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Green CAT Hydrogen LTDgchydrogen.co.ukHQ: Edinburgh, United KingdomReported employees: 11-50 | Edinburgh, United Kingdom | 11-50 | Exact match | 24 contacts → |
“Green Cat Hydrogen develops green hydrogen projects.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  World Hydrogen Leadersworldhydrogenleaders.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 21 contacts → |
“Accelerating the hydrogen transition through actionable insights and networking.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | HQ: Leigh, United KingdomReported employees: 11-50 | Leigh, United Kingdom | 11-50 | Exact match | 20 contacts → |
“With locations in Leigh, Aberdeen and Pembroke Docks, NVFCL is the only authorised distributor in the UK for FITOK.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Hopespare LTDhopespare.com HQ: Hemel Hempstead, United KingdomReported employees: 11-50 | Hemel Hempstead, United Kingdom | 11-50 | Exact match | 19 contacts → |
“Established in 1986, Hopespare Limited has been a trusted Certified Parker Hannifin Distributor for over 39 years, providing expert solutions in hydraulics, pneumatics, cooling…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Filton Systems Engineering LTDfiltonsys.comHQ: South Gloucestershire, United KingdomReported employees: 51-200 | South Gloucestershire, United Kingdom | 51-200 | Exact match | 19 contacts → |
“Filton Systems Engineering (FSE) are an exciting, innovative, family orientated, British, Engineering consultancy based in Bristol.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Hydroplan UKhydroplan.co.ukHQ: Wimborne, United KingdomReported employees: 11-50 | Wimborne, United Kingdom | 11-50 | Exact match | 19 contacts → |
“Hydroplan is a leading UK hydropower consultancy specialising in the design, construction and project management of small to medium sized hydropower projects in the UK and…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  N-Genn-genenergy.comHQ: Leeds, United KingdomReported employees: 11-50 | Leeds, United Kingdom | 11-50 | Exact match | 16 contacts → |
“At N-Gen, we’re helping our customers to lead the race towards decarbonisation with low carbon hydrogen.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Ecomar Propulsionecomarpropulsion.com HQ: Fareham, United KingdomReported employees: 11-50 | Fareham, United Kingdom | 11-50 | Exact match | 15 contacts → |
“Ecomar makes designs and consults on marine and industrial energy systems.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Oort Energyoortenergy.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 14 contacts → |
“Oort Energy is a manufacturer of green hydrogen systems for energy storage and clean fuel.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Ditecoditeco.co.uk HQ: Warlingham, United KingdomReported employees: 11-50 | Warlingham, United Kingdom | 11-50 | Exact match | 14 contacts → |
“Diteco is a leading source of H2S analysers for the onshore and offshore oil industry.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 173 company matches
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Hydrogen consultants: 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
172 records in the displayed employee bands.
1 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 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 173 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 ↗
Questions about this company list
What does Exact match mean for hydrogen consultants?
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 hydrogen consultants did RevenueBase find based in the United Kingdom?
The saved snapshot records 173 matching company records, 2,424 tracked contacts and 967 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.
Related lists
Hydrogen consultants by geography
- Hydrogen consultants based in Australia
- Hydrogen consultants based in Brazil
- Hydrogen consultants based in Canada
- Hydrogen consultants based in France
- Hydrogen consultants based in Germany
- Hydrogen consultants based in India
- Hydrogen consultants based in Italy
- Hydrogen consultants based in the Netherlands
- Hydrogen consultants based in Spain
- Hydrogen consultants based in the United States
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 hydrogen consultants based in the United Kingdom. Snapshot: September 21, 2026. https://revenuebase.ai/companies/hydrogen-consultants/united-kingdom.
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 hydrogen consultants based in the United Kingdom
RevenueBase records 173 matching company records for hydrogen consultants based in the United Kingdom, with 2,424 tracked contacts and 967 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 hydrogen consultants based in the United Kingdom
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 | KBR Granhernekbr.com HQ: Leatherhead, United KingdomReported employees: 501-1,000 | Leatherhead, United Kingdom | 501-1,000 | Exact match | 648 contacts → |
“KBR Consulting is one of the world's foremost engineering consultancies specializing in the hydrocarbon and energy industry.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | ITM Poweritm-power.com HQ: Sheffield, United KingdomReported employees: 201-500 | Sheffield, United Kingdom | 201-500 | Exact match | 285 contacts → |
“ITM Power was founded in and ITM Power plc was admitted to the AIM market of the London Stock Exchange in 2004.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | AFC Energyafcenergy.com HQ: Cranleigh, United KingdomReported employees: 51-200 | Cranleigh, United Kingdom | 51-200 | Exact match | 149 contacts → |
“AFC Energy is the leading provider of Hydrogen fuel cell technology to generate clean off-grid energy.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | 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. | |||||
| 5 | Clean Power Hydrogen PLCcph2.com HQ: Doncaster, United KingdomReported employees: 51-200 | Doncaster, United Kingdom | 51-200 | Exact match | 50 contacts → |
“For too long, hydrogen was held back.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Bohr Limitedbohreng.com HQ: Stone, United KingdomReported employees: 51-200 | Stone, United Kingdom | 51-200 | Exact match | 49 contacts → |
“We're focused on delivering products and solutions to the green energy industry with a strong focus on Hydrogen, Biomethane and Natural Gas.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | AVA Energyavaenergy.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 47 contacts → |
“AVA Energy – Powering Energy Talent.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Fuel Cell Systems LTDfuelcellsystems.co.uk HQ: Hungerford, United KingdomReported employees: 11-50 | Hungerford, United Kingdom | 11-50 | Exact match | 40 contacts → |
“Fuel Cell Systems Ltd, a UK-based company with 15 years of expertise, specialises in fuel cell solutions and hydrogen refuelling systems.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Accord Energy Solutions Limitedaccord-esl.com HQ: Aberdeen, United KingdomReported employees: 11-50 | Aberdeen, United Kingdom | 11-50 | Exact match | 36 contacts → |
“We are a highly experienced and fully independent hydrocarbon accounting consultancy, specialising in Measurement, Allocation and System Delivery projects for clients in the…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | AFAAafaa.co.uk HQ: Nottingham, United KingdomReported employees: 11-50 | Nottingham, United Kingdom | 11-50 | Exact match | 35 contacts → |
“We help energy companies keep critical pipeline infrastructure safe, compliant, and ready for the energy transition.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Ryze Powerryzepower.com HQ: Oxford, United KingdomReported employees: 51-200 | Oxford, United Kingdom | 51-200 | Exact match | 33 contacts → |
“Ryze Power provides complete solutions in the alternative fuels space as sectors transition towards net zero.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Sabre Safetysabresafety.com HQ: Dundee, United KingdomReported employees: 51-200 | Dundee, United Kingdom | 51-200 | Exact match | 31 contacts → |
“Sabre Safety is the market leader in providing Hydrogen Sulfide (H2S) Services to the oil and gas exploration and production industry as well as specialist H2S support including…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | LOGANloganenergy.com HQ: Edinburgh, United KingdomReported employees: 11-50 | Edinburgh, United Kingdom | 11-50 | Exact match | 30 contacts → |
“Based in Scotland, Logan is a designer, supplier, and integrator of complete hydrogen production, refuelling, compression, storage, dispensing and fuel cell solutions.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Pace CCSpaceccs.com HQ: City Of London, United KingdomReported employees: 11-50 | City Of London, United Kingdom | 11-50 | Exact match | 27 contacts → |
“Pace is the world’s leading provider of engineering design to the CCS and blue hydrogen industries.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Etascaetasca.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 27 contacts → |
“The energy transition is gaining momentum but needs to accelerate to meet the challenges posed by the climate emergency.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Green CAT Hydrogen LTDgchydrogen.co.uk HQ: Edinburgh, United KingdomReported employees: 11-50 | Edinburgh, United Kingdom | 11-50 | Exact match | 24 contacts → |
“Green Cat Hydrogen develops green hydrogen projects.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | World Hydrogen Leadersworldhydrogenleaders.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 21 contacts → |
“Accelerating the hydrogen transition through actionable insights and networking.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | HQ: Leigh, United KingdomReported employees: 11-50 | Leigh, United Kingdom | 11-50 | Exact match | 20 contacts → |
“With locations in Leigh, Aberdeen and Pembroke Docks, NVFCL is the only authorised distributor in the UK for FITOK.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Hopespare LTDhopespare.com HQ: Hemel Hempstead, United KingdomReported employees: 11-50 | Hemel Hempstead, United Kingdom | 11-50 | Exact match | 19 contacts → |
“Established in 1986, Hopespare Limited has been a trusted Certified Parker Hannifin Distributor for over 39 years, providing expert solutions in hydraulics, pneumatics, cooling…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Filton Systems Engineering LTDfiltonsys.com HQ: South Gloucestershire, United KingdomReported employees: 51-200 | South Gloucestershire, United Kingdom | 51-200 | Exact match | 19 contacts → |
“Filton Systems Engineering (FSE) are an exciting, innovative, family orientated, British, Engineering consultancy based in Bristol.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Hydroplan UKhydroplan.co.uk HQ: Wimborne, United KingdomReported employees: 11-50 | Wimborne, United Kingdom | 11-50 | Exact match | 19 contacts → |
“Hydroplan is a leading UK hydropower consultancy specialising in the design, construction and project management of small to medium sized hydropower projects in the UK and…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | N-Genn-genenergy.com HQ: Leeds, United KingdomReported employees: 11-50 | Leeds, United Kingdom | 11-50 | Exact match | 16 contacts → |
“At N-Gen, we’re helping our customers to lead the race towards decarbonisation with low carbon hydrogen.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Ecomar Propulsionecomarpropulsion.com HQ: Fareham, United KingdomReported employees: 11-50 | Fareham, United Kingdom | 11-50 | Exact match | 15 contacts → |
“Ecomar makes designs and consults on marine and industrial energy systems.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Oort Energyoortenergy.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 14 contacts → |
“Oort Energy is a manufacturer of green hydrogen systems for energy storage and clean fuel.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Ditecoditeco.co.uk HQ: Warlingham, United KingdomReported employees: 11-50 | Warlingham, United Kingdom | 11-50 | Exact match | 14 contacts → |
“Diteco is a leading source of H2S analysers for the onshore and offshore oil industry.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 173 company matches
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Hydrogen consultants: 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
172 records in the displayed employee bands.
1 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 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 173 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 ↗
Questions about this company list
What does Exact match mean for hydrogen consultants?
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 hydrogen consultants did RevenueBase find based in the United Kingdom?
The saved snapshot records 173 matching company records, 2,424 tracked contacts and 967 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.
Related lists
Hydrogen consultants by geography
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Cite this list
RevenueBase Data Team. Top 25 hydrogen consultants based in the United Kingdom. Snapshot: September 21, 2026. https://revenuebase.ai/companies/hydrogen-consultants/united-kingdom.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗