Company lists · Data refreshed September 2026
Top 25 Energy technology companies based in the United Kingdom
RevenueBase identified 849 company matches for energy technology companies associated with the United Kingdom as of September 2026 and tracks 61,871 professional contacts across them, including 24,660 with verified work emails. London is the largest hub.
This list covers company matches for energy technology 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.
The 25 largest energy technology companies based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 19,907 contacts → | ||||
Exact match “TechnipFMC is a leading technology provider to the traditional and new energies industry, delivering fully integrated projects, products, and services.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 2 | 9,238 contacts → | ||||
Exact match “Taking care of things.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 3 | 4,555 contacts → | ||||
Exact match “Centrica is an international energy services and solutions company, founded on a 200-year heritage of serving customers in homes and businesses.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 4 | 3,989 contacts → | ||||
Exact match “We're on a mission to make a big green dent in the universe by building a truly sustainable energy system globally.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 5 | 3,721 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 | |||||
| 6 | 1,114 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 | |||||
| 7 | 1,049 contacts → | ||||
Exact match “Clarke Energy, a Rehlko company, specialises in energy efficient, low carbon and flexible energy systems.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 8 | 859 contacts → | ||||
Exact match “We are OEG, a leading energy solutions business providing mission critical infrastructure assets, technologies and services to the global energy industry.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 9 | 766 contacts → | ||||
Exact match “Through our range of innovative energy solutions, we are delivering the future of smart energy – working closely with private and public sector partners to decarbonise the UK…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 10 | 692 contacts → | ||||
Exact match “We are Calisen.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 11 | 563 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 | |||||
| 12 | 406 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 | |||||
| 13 | 402 contacts → | ||||
Exact match “Reon Energy is a leading Cleantech company deploying Intelligent Renewable Energy Microgrids across South Asia, GCC & African region.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 14 | 378 contacts → | ||||
Exact match “We do energy, you do you.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 15 | 367 contacts → | ||||
Exact match “We support the global drive to net zero with innovative, engineered solutions that address grid resilience and systems challenges, facilitate electrification of transport and…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 16 | 345 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 17 | 336 contacts → | ||||
Exact match “We're Zenobē Energy and we're on a mission to make clean power accessible.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 18 | 242 contacts → | ||||
Exact match “INTEC Energy Solutions delivers best-in-class services in Engineering, Procurement, Construction (EPC), Battery Energy Storage Systems (BESS), Manufacturing, Project Development…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 19 | 231 contacts → | ||||
Exact match “Ethical Power Group launched in the UK in 2010.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 20 | 216 contacts → | ||||
Exact match “Anesco is a market leader in renewable energy and energy efficiency.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 21 | 209 contacts → | ||||
Exact match “Segen is the largest solar PV, energy storage system and EV charging solution distributor in the UK.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 22 | 179 contacts → | ||||
Exact match “We're creating the renewable energy infrastructure and trading company of the future.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 23 | 174 contacts → | ||||
Exact match “Conrad Energy is a leading UK energy company.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 24 | 168 contacts → | ||||
Exact match “We give you control of your generated green energy, creating the ultimate eco-smart home.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 25 | 153 contacts → | ||||
Exact match “At Octopus Energy Generation, we’re building green power for the future, from large-scale solar to onshore and offshore wind, and innovative initiatives like the Fan Club.” Recorded in the RevenueBase company graph · Sep 16, 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 “energy technology companies”. 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 849 energy technology companies based in the United Kingdom
See the full list, filter by size, metro and specialty, and access 24,660 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Energy technology companies based in the United Kingdom at a glance
As of Sep 16, 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 849 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 “energy technology 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 24,660 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 “energy technology companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many energy technology companies are there based in the United Kingdom?
RevenueBase identified 849 company matches for energy technology 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?
Technipfmc tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most energy technology companies?
London leads with 219 company records, followed by Edinburgh (13) and Glasgow (12).
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 24,660 professional contacts with verified work emails tracked across these 849 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 849 energy technology companies based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Energy technology companies by geography
- Energy technology companies based in Brisbane, Australia
- Energy technology companies based in Melbourne, Australia
- Energy technology companies based in Sydney, Australia
- Energy technology companies based in Belo Horizonte, Brazil
- Energy technology companies based in Fortaleza, Brazil
- Energy technology companies based in Rio De Janeiro, Brazil
- Energy technology companies based in Sao Paulo, Brazil
- Energy technology companies based in Berlin, Germany
- Energy technology companies based in Hamburg, Germany
- Energy technology companies based in Munich, Germany
- Energy technology companies based in Ahmedabad, India
- Energy technology companies based in Bangalore, India
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
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Energy technology companies based in Brisbane, Australia
- Energy technology companies based in Melbourne, Australia
- Energy technology companies based in Sydney, Australia
- Energy technology companies based in Belo Horizonte, Brazil
- Energy technology companies based in Fortaleza, Brazil
- Energy technology companies based in Rio De Janeiro, Brazil
Company intelligence · public preview
Top 25 energy technology companies 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 849 matching company records for energy technology companies based in the United Kingdom, with 61,871 tracked contacts and 24,660 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 16, 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 energy technology companies 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 |  Technipfmctechnipfmc.comHQ: Newcastle Upon Tyne, United KingdomReported employees: 10001+ | Newcastle Upon Tyne, United Kingdom | 10001+ | Exact match | 19,907 contacts → |
“TechnipFMC is a leading technology provider to the traditional and new energies industry, delivering fully integrated projects, products, and services.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  British GASbritishgas.co.ukHQ: Windsor, United KingdomReported employees: 10001+ | Windsor, United Kingdom | 10001+ | Exact match | 9,238 contacts → |
“Taking care of things.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Centricacentrica.comHQ: Windsor, United KingdomReported employees: 10001+ | Windsor, United Kingdom | 10001+ | Exact match | 4,555 contacts → |
“Centrica is an international energy services and solutions company, founded on a 200-year heritage of serving customers in homes and businesses.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Octopus Energyoctopus.energyHQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 3,989 contacts → |
“We're on a mission to make a big green dent in the universe by building a truly sustainable energy system globally.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  RESres-group.comHQ: Kings Langley, United KingdomReported employees: 1,001-5,000 | Kings Langley, United Kingdom | 1,001-5,000 | Exact match | 3,721 contacts → |
“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 description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Lightsource BPlightsourcebp.comHQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 1,114 contacts → |
“Lightsource bp is working to support a future powered by renewable, affordable and reliable energy that benefits our partners, people and planet.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Clarke Energyclarke-energy.comHQ: Liverpool, United KingdomReported employees: 1,001-5,000 | Liverpool, United Kingdom | 1,001-5,000 | Exact match | 1,049 contacts → |
“Clarke Energy, a Rehlko company, specialises in energy efficient, low carbon and flexible energy systems.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  OEGoeg.groupHQ: Dyce, United KingdomReported employees: 1,001-5,000 | Dyce, United Kingdom | 1,001-5,000 | Exact match | 859 contacts → |
“We are OEG, a leading energy solutions business providing mission critical infrastructure assets, technologies and services to the global energy industry.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | SMS PLCsms-plc.com HQ: Glasgow, United KingdomReported employees: 1,001-5,000 | Glasgow, United Kingdom | 1,001-5,000 | Exact match | 766 contacts → |
“Through our range of innovative energy solutions, we are delivering the future of smart energy – working closely with private and public sector partners to decarbonise the UK…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Calisencalisen.comHQ: Manchester, United KingdomReported employees: 1,001-5,000 | Manchester, United Kingdom | 1,001-5,000 | Exact match | 692 contacts → |
“We are Calisen.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Sonnedixsonnedix.comHQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 563 contacts → |
“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 description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Cubico Sustainable Investmentscubicoinvest.comHQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 406 contacts → |
“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 description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Reon Energy Limitedreonenergy.comHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 402 contacts → |
“Reon Energy is a leading Cleantech company deploying Intelligent Renewable Energy Microgrids across South Asia, GCC & African region.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  SO Energyso.energyHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 378 contacts → |
“We do energy, you do you.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Brush Groupbrush.eu HQ: Loughborough, United KingdomReported employees: 501-1,000 | Loughborough, United Kingdom | 501-1,000 | Exact match | 367 contacts → |
“We support the global drive to net zero with innovative, engineered solutions that address grid resilience and systems challenges, facilitate electrification of transport and…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | MTLeaton.com HQ: Luton, United KingdomReported employees: Not recorded | Luton, United Kingdom | Not recorded | Exact match | 345 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 17 |  Zenobēzenobe.comHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 336 contacts → |
“We're Zenobē Energy and we're on a mission to make clean power accessible.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Intec Energy Solutionsin-tecenergy.comHQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 242 contacts → |
“INTEC Energy Solutions delivers best-in-class services in Engineering, Procurement, Construction (EPC), Battery Energy Storage Systems (BESS), Manufacturing, Project Development…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Ethical Powerethical-power.comHQ: Exeter, United KingdomReported employees: 51-200 | Exeter, United Kingdom | 51-200 | Exact match | 231 contacts → |
“Ethical Power Group launched in the UK in 2010.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Anesco LTDanesco.comHQ: Aldermaston Nr Reading, United KingdomReported employees: 201-500 | Aldermaston Nr Reading, United Kingdom | 201-500 | Exact match | 216 contacts → |
“Anesco is a market leader in renewable energy and energy efficiency.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  SEGENsegen.co.ukHQ: Aldershot, United KingdomReported employees: 201-500 | Aldershot, United Kingdom | 201-500 | Exact match | 209 contacts → |
“Segen is the largest solar PV, energy storage system and EV charging solution distributor in the UK.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  FIELDfield.energyHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 179 contacts → |
“We're creating the renewable energy infrastructure and trading company of the future.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Conrad Energyconradenergy.co.ukHQ: Abingdon, United KingdomReported employees: 51-200 | Abingdon, United Kingdom | 51-200 | Exact match | 174 contacts → |
“Conrad Energy is a leading UK energy company.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Myenergimyenergi.comHQ: Stallingborough, United KingdomReported employees: 201-500 | Stallingborough, United Kingdom | 201-500 | Exact match | 168 contacts → |
“We give you control of your generated green energy, creating the ultimate eco-smart home.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Octopus Energy Generationoctopusenergygeneration.comHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 153 contacts → |
“At Octopus Energy Generation, we’re building green power for the future, from large-scale solar to onshore and offshore wind, and innovative initiatives like the Fan Club.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 849 company matches
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Energy technology companies: dataset insights
September 16, 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
840 records in the displayed employee bands.
9 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 849 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 16, 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 energy technology companies?
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 energy technology companies did RevenueBase find based in the United Kingdom?
The saved snapshot records 849 matching company records, 61,871 tracked contacts and 24,660 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 16, 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
Energy technology companies by geography
- Energy technology companies based in Brisbane, Australia
- Energy technology companies based in Melbourne, Australia
- Energy technology companies based in Sydney, Australia
- Energy technology companies based in Belo Horizonte, Brazil
- Energy technology companies based in Fortaleza, Brazil
- Energy technology companies based in Rio De Janeiro, Brazil
- Energy technology companies based in Sao Paulo, Brazil
- Energy technology companies based in Berlin, Germany
- Energy technology companies based in Hamburg, Germany
- Energy technology companies based in Munich, Germany
- Energy technology companies based in Ahmedabad, India
- Energy technology companies based in Bangalore, India
Cite this list
RevenueBase Data Team. Top 25 energy technology companies based in the United Kingdom. Snapshot: September 16, 2026. https://revenuebase.ai/companies/energy-technology-companies/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
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Energy technology companies based in Brisbane, Australia
- Energy technology companies based in Melbourne, Australia
- Energy technology companies based in Sydney, Australia
- Energy technology companies based in Belo Horizonte, Brazil
- Energy technology companies based in Fortaleza, Brazil
- Energy technology companies based in Rio De Janeiro, Brazil
Company intelligence · public preview
Top 25 energy technology companies based in the United Kingdom
RevenueBase records 849 matching company records for energy technology companies based in the United Kingdom, with 61,871 tracked contacts and 24,660 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 16, 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 energy technology companies 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 | Technipfmctechnipfmc.com HQ: Newcastle Upon Tyne, United KingdomReported employees: 10001+ | Newcastle Upon Tyne, United Kingdom | 10001+ | Exact match | 19,907 contacts → |
“TechnipFMC is a leading technology provider to the traditional and new energies industry, delivering fully integrated projects, products, and services.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | British GASbritishgas.co.uk HQ: Windsor, United KingdomReported employees: 10001+ | Windsor, United Kingdom | 10001+ | Exact match | 9,238 contacts → |
“Taking care of things.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Centricacentrica.com HQ: Windsor, United KingdomReported employees: 10001+ | Windsor, United Kingdom | 10001+ | Exact match | 4,555 contacts → |
“Centrica is an international energy services and solutions company, founded on a 200-year heritage of serving customers in homes and businesses.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Octopus Energyoctopus.energy HQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 3,989 contacts → |
“We're on a mission to make a big green dent in the universe by building a truly sustainable energy system globally.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | RESres-group.com HQ: Kings Langley, United KingdomReported employees: 1,001-5,000 | Kings Langley, United Kingdom | 1,001-5,000 | Exact match | 3,721 contacts → |
“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 description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Lightsource BPlightsourcebp.com HQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 1,114 contacts → |
“Lightsource bp is working to support a future powered by renewable, affordable and reliable energy that benefits our partners, people and planet.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Clarke Energyclarke-energy.com HQ: Liverpool, United KingdomReported employees: 1,001-5,000 | Liverpool, United Kingdom | 1,001-5,000 | Exact match | 1,049 contacts → |
“Clarke Energy, a Rehlko company, specialises in energy efficient, low carbon and flexible energy systems.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | OEGoeg.group HQ: Dyce, United KingdomReported employees: 1,001-5,000 | Dyce, United Kingdom | 1,001-5,000 | Exact match | 859 contacts → |
“We are OEG, a leading energy solutions business providing mission critical infrastructure assets, technologies and services to the global energy industry.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | SMS PLCsms-plc.com HQ: Glasgow, United KingdomReported employees: 1,001-5,000 | Glasgow, United Kingdom | 1,001-5,000 | Exact match | 766 contacts → |
“Through our range of innovative energy solutions, we are delivering the future of smart energy – working closely with private and public sector partners to decarbonise the UK…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Calisencalisen.com HQ: Manchester, United KingdomReported employees: 1,001-5,000 | Manchester, United Kingdom | 1,001-5,000 | Exact match | 692 contacts → |
“We are Calisen.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Sonnedixsonnedix.com HQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 563 contacts → |
“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 description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Cubico Sustainable Investmentscubicoinvest.com HQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 406 contacts → |
“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 description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Reon Energy Limitedreonenergy.com HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 402 contacts → |
“Reon Energy is a leading Cleantech company deploying Intelligent Renewable Energy Microgrids across South Asia, GCC & African region.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | SO Energyso.energy HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 378 contacts → |
“We do energy, you do you.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Brush Groupbrush.eu HQ: Loughborough, United KingdomReported employees: 501-1,000 | Loughborough, United Kingdom | 501-1,000 | Exact match | 367 contacts → |
“We support the global drive to net zero with innovative, engineered solutions that address grid resilience and systems challenges, facilitate electrification of transport and…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | MTLeaton.com HQ: Luton, United KingdomReported employees: Not recorded | Luton, United Kingdom | Not recorded | Exact match | 345 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 17 | Zenobēzenobe.com HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 336 contacts → |
“We're Zenobē Energy and we're on a mission to make clean power accessible.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Intec Energy Solutionsin-tecenergy.com HQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 242 contacts → |
“INTEC Energy Solutions delivers best-in-class services in Engineering, Procurement, Construction (EPC), Battery Energy Storage Systems (BESS), Manufacturing, Project Development…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Ethical Powerethical-power.com HQ: Exeter, United KingdomReported employees: 51-200 | Exeter, United Kingdom | 51-200 | Exact match | 231 contacts → |
“Ethical Power Group launched in the UK in 2010.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Anesco LTDanesco.com HQ: Aldermaston Nr Reading, United KingdomReported employees: 201-500 | Aldermaston Nr Reading, United Kingdom | 201-500 | Exact match | 216 contacts → |
“Anesco is a market leader in renewable energy and energy efficiency.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | SEGENsegen.co.uk HQ: Aldershot, United KingdomReported employees: 201-500 | Aldershot, United Kingdom | 201-500 | Exact match | 209 contacts → |
“Segen is the largest solar PV, energy storage system and EV charging solution distributor in the UK.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | FIELDfield.energy HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 179 contacts → |
“We're creating the renewable energy infrastructure and trading company of the future.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Conrad Energyconradenergy.co.uk HQ: Abingdon, United KingdomReported employees: 51-200 | Abingdon, United Kingdom | 51-200 | Exact match | 174 contacts → |
“Conrad Energy is a leading UK energy company.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Myenergimyenergi.com HQ: Stallingborough, United KingdomReported employees: 201-500 | Stallingborough, United Kingdom | 201-500 | Exact match | 168 contacts → |
“We give you control of your generated green energy, creating the ultimate eco-smart home.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Octopus Energy Generationoctopusenergygeneration.com HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 153 contacts → |
“At Octopus Energy Generation, we’re building green power for the future, from large-scale solar to onshore and offshore wind, and innovative initiatives like the Fan Club.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Energy technology companies: dataset insights
September 16, 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
840 records in the displayed employee bands.
9 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 849 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 16, 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 energy technology companies?
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 energy technology companies did RevenueBase find based in the United Kingdom?
The saved snapshot records 849 matching company records, 61,871 tracked contacts and 24,660 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 16, 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
Energy technology companies by geography
- Energy technology companies based in Brisbane, Australia
- Energy technology companies based in Melbourne, Australia
- Energy technology companies based in Sydney, Australia
- Energy technology companies based in Belo Horizonte, Brazil
- Energy technology companies based in Fortaleza, Brazil
- Energy technology companies based in Rio De Janeiro, Brazil
- Energy technology companies based in Sao Paulo, Brazil
- Energy technology companies based in Berlin, Germany
- Energy technology companies based in Hamburg, Germany
- Energy technology companies based in Munich, Germany
- Energy technology companies based in Ahmedabad, India
- Energy technology companies based in Bangalore, India
Cite this list
RevenueBase Data Team. Top 25 energy technology companies based in the United Kingdom. Snapshot: September 16, 2026. https://revenuebase.ai/companies/energy-technology-companies/united-kingdom.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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- Energy technology companies based in Brisbane, Australia
- Energy technology companies based in Melbourne, Australia
- Energy technology companies based in Sydney, Australia
- Energy technology companies based in Belo Horizonte, Brazil
- Energy technology companies based in Fortaleza, Brazil
- Energy technology companies based in Rio De Janeiro, Brazil