Company lists · Data refreshed September 2026
Top 25 Alternative energy contractors based in the United Kingdom
RevenueBase identified 2,093 company matches for alternative energy contractors associated with the United Kingdom as of September 2026 and tracks 18,697 professional contacts across them, including 6,521 with verified work emails. London is the largest hub.
This list covers company matches for alternative energy contractors 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 30, 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 alternative energy contractors based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 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 30, 2026 · View company records in RevenueBase | |||||
| 2 | 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 30, 2026 · View company records in RevenueBase | |||||
| 3 | 378 contacts → | ||||
Exact match “We do energy, you do you.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 4 | 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 30, 2026 · View company records in RevenueBase | |||||
| 5 | 148 contacts → | ||||
Exact match “Clean energy, powered with purpose.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 6 | 132 contacts → | ||||
Exact match “Smith & Byford is a family-owned and operated building services company.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 7 | 122 contacts → | ||||
Exact match “Project Solar UK Ltd are a well-established Renewable Energy company.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 8 | 116 contacts → | ||||
Exact match “We started out as a trailblazing boiler installation company in 2017 – the first to offer everything effortlessly online.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 9 | 112 contacts → | ||||
Exact match “As renewable energy technology experts, we have the knowledge and skills to help commercial clients switch to a greener, lower cost and more independent energy source.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 10 | 110 contacts → | ||||
Exact match “Glow Green is one of the UK's leading installers of Solar Panels, Battery Storage, Heat Pumps, Boilers, AC Units, & EV Chargers.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 11 | 95 contacts → | ||||
Exact match “BELECTRIC UK is part of BELECTRIC, one of Europe's leading EPC service providers in the development, construction, and operation of solar power plants.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 12 | 85 contacts → | ||||
Exact match “CPS Building Services Ltd are experts in design, installation and maintenance of all mechanical and electrical services including renewables.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 13 | 85 contacts → | ||||
Exact match “Who are we?” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 14 | 82 contacts → | ||||
Exact match “AMD Environmental are a collaborative Mechanical and Electrical Design and Build Engineering specialist with a sustainable approach in delivering challenging and bespoke projects…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 15 | 80 contacts → | ||||
Exact match “Cleaner Group is a UK leader in full turnkey renewable energy solutions; primarily for commercial EV charging and solar PV.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 16 | 79 contacts → | ||||
Exact match “Fully funded solar solutions specialising in Commercial and Residential Solar with Battery.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 17 | 77 contacts → | ||||
Exact match “Innova is a forward-thinking renewable energy business, employing people across two offices in London and Cheltenham.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 18 | 76 contacts → | ||||
Exact match “Powering ahead the UK's clean energy transition.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 19 | 73 contacts → | ||||
Exact match “UGP is the highest rated business renewable energy supplier.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 20 | 70 contacts → | ||||
Exact match “Locogen exists to accelerate the transition to a world powered by renewable energy.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 21 | 70 contacts → | ||||
Exact match “Think Outside The Grid.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 22 | 67 contacts → | ||||
Exact match “We’re a leading nationwide property services company established in 2013.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 23 | 64 contacts → | ||||
Exact match “With over 35 years of experience in the clean energy sector, Dulas is an award-winning renewable energy installer and consultancy, specialising in the wind, solar and hydro…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 24 | 61 contacts → | ||||
Exact match “UK Greentech, a division of Edmundson Electrical, is a distributor of quality branded renewables products with locations servicing the whole of the UK.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 25 | 60 contacts → | ||||
Exact match “Rendesco is the UK’s leading clean energy tech developer and operator, focusing on the electrification of heat using heat pumps and heat networks to decarbonise Britain’s…” Recorded in the RevenueBase company graph · Sep 30, 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 “alternative energy contractors”. 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 2,093 alternative energy contractors based in the United Kingdom
See the full list, filter by size, metro and specialty, and access 6,521 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Alternative energy contractors based in the United Kingdom at a glance
As of Sep 30, 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 2,093 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 “alternative energy contractors” 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 6,521 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 30, 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.
Alternative energy contractors by metro
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 “alternative energy contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many alternative energy contractors are there based in the United Kingdom?
RevenueBase identified 2,093 company matches for alternative energy contractors associated with the United Kingdom as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
RES tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most alternative energy contractors?
London leads with 193 company records, followed by Glasgow (33) and Nottingham (32).
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 6,521 professional contacts with verified work emails tracked across these 2,093 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 30, 2026.
Ready to reach these companies? Verified emails and direct dials for all 2,093 alternative energy contractors based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Alternative energy contractors by geography
- Alternative energy contractors based in Buenos Aires, Argentina
- Alternative energy contractors based in Adelaide, Australia
- Alternative energy contractors based in Brisbane, Australia
- Alternative energy contractors based in Melbourne, Australia
- Alternative energy contractors based in Perth, Australia
- Alternative energy contractors based in Sydney, Australia
- Alternative energy contractors based in Belo Horizonte, Brazil
- Alternative energy contractors based in Brasilia, Brazil
- Alternative energy contractors based in Fortaleza, Brazil
- Alternative energy contractors based in Rio De Janeiro, Brazil
- Alternative energy contractors based in Sao Paulo, Brazil
- Alternative energy contractors based in Calgary, Canada
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
- Alternative energy contractors based in Buenos Aires, Argentina
- Alternative energy contractors based in Adelaide, Australia
- Alternative energy contractors based in Brisbane, Australia
- Alternative energy contractors based in Melbourne, Australia
- Alternative energy contractors based in Perth, Australia
- Alternative energy contractors based in Sydney, Australia
Company intelligence · public preview
Top 25 alternative energy contractors 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 2,093 matching company records for alternative energy contractors based in the United Kingdom, with 18,697 tracked contacts and 6,521 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 30, 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 alternative energy contractors 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 |  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 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  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 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  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 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  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 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  British Solar Renewablesbritishrenewables.comHQ: Shepton Mallet, United KingdomReported employees: 51-200 | Shepton Mallet, United Kingdom | 51-200 | Exact match | 148 contacts → |
“Clean energy, powered with purpose.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Smith & Byfordsmithandbyford.com HQ: Cheam, United KingdomReported employees: 201-500 | Cheam, United Kingdom | 201-500 | Exact match | 132 contacts → |
“Smith & Byford is a family-owned and operated building services company.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Project Solar UKprojectsolaruk.comHQ: Burton On Trent, United KingdomReported employees: 201-500 | Burton On Trent, United Kingdom | 201-500 | Exact match | 122 contacts → |
“Project Solar UK Ltd are a well-established Renewable Energy company.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  BOXTboxt.co.ukHQ: Leeds, United KingdomReported employees: 51-200 | Leeds, United Kingdom | 51-200 | Exact match | 116 contacts → |
“We started out as a trailblazing boiler installation company in 2017 – the first to offer everything effortlessly online.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  AESaes-smart.xyzHQ: Enfield, United KingdomReported employees: 201-500 | Enfield, United Kingdom | 201-500 | Exact match | 112 contacts → |
“As renewable energy technology experts, we have the knowledge and skills to help commercial clients switch to a greener, lower cost and more independent energy source.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Glow Greenglowgreenltd.comHQ: Bournemouth, United KingdomReported employees: 51-200 | Bournemouth, United Kingdom | 51-200 | Exact match | 110 contacts → |
“Glow Green is one of the UK's leading installers of Solar Panels, Battery Storage, Heat Pumps, Boilers, AC Units, & EV Chargers.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Belectric UK Member Of Elevion Groupbelectric.comHQ: Brinkworth, United KingdomReported employees: 51-200 | Brinkworth, United Kingdom | 51-200 | Exact match | 95 contacts → |
“BELECTRIC UK is part of BELECTRIC, one of Europe's leading EPC service providers in the development, construction, and operation of solar power plants.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | CPS Building Services LTDcpsbuildingservices.co.uk HQ: Cambridge, United KingdomReported employees: 51-200 | Cambridge, United Kingdom | 51-200 | Exact match | 85 contacts → |
“CPS Building Services Ltd are experts in design, installation and maintenance of all mechanical and electrical services including renewables.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Purdy Part Of Sureservepurdycontracts.co.ukHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 85 contacts → |
“Who are we?” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  AMD Groupamdenvironmental.co.ukHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 82 contacts → |
“AMD Environmental are a collaborative Mechanical and Electrical Design and Build Engineering specialist with a sustainable approach in delivering challenging and bespoke projects…” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Cleaner Groupcleanergroup.co.uk HQ: Wakefield, United KingdomReported employees: 11-50 | Wakefield, United Kingdom | 11-50 | Exact match | 80 contacts → |
“Cleaner Group is a UK leader in full turnkey renewable energy solutions; primarily for commercial EV charging and solar PV.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Evergen Solarevergensolar.co.ukHQ: Maidenhead, United KingdomReported employees: 51-200 | Maidenhead, United Kingdom | 51-200 | Exact match | 79 contacts → |
“Fully funded solar solutions specialising in Commercial and Residential Solar with Battery.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Innovainnova.co.ukHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 77 contacts → |
“Innova is a forward-thinking renewable energy business, employing people across two offices in London and Cheltenham.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Plug ME Inplugmein.comHQ: Manchester, United KingdomReported employees: 11-50 | Manchester, United Kingdom | 11-50 | Exact match | 76 contacts → |
“Powering ahead the UK's clean energy transition.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  United GAS & Powerugp.co.ukHQ: Guiseley, United KingdomReported employees: 51-200 | Guiseley, United Kingdom | 51-200 | Exact match | 73 contacts → |
“UGP is the highest rated business renewable energy supplier.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Locogenlocogen.comHQ: Edinburgh, United KingdomReported employees: 51-200 | Edinburgh, United Kingdom | 51-200 | Exact match | 70 contacts → |
“Locogen exists to accelerate the transition to a world powered by renewable energy.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Wattstorwattstor.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 70 contacts → |
“Think Outside The Grid.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  ECO Approachecoapproach.co.ukHQ: Beckenham, United KingdomReported employees: 51-200 | Beckenham, United Kingdom | 51-200 | Exact match | 67 contacts → |
“We’re a leading nationwide property services company established in 2013.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Dulas LTDdulas.org.ukHQ: Machynlleth, United KingdomReported employees: 51-200 | Machynlleth, United Kingdom | 51-200 | Exact match | 64 contacts → |
“With over 35 years of experience in the clean energy sector, Dulas is an award-winning renewable energy installer and consultancy, specialising in the wind, solar and hydro…” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  UK Greentechukgreentech.co.ukHQ: Trafford Park, United KingdomReported employees: 51-200 | Trafford Park, United Kingdom | 51-200 | Exact match | 61 contacts → |
“UK Greentech, a division of Edmundson Electrical, is a distributor of quality branded renewables products with locations servicing the whole of the UK.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Rendescorendesco.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 60 contacts → |
“Rendesco is the UK’s leading clean energy tech developer and operator, focusing on the electrification of heat using heat pumps and heat networks to decarbonise Britain’s…” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 2,093 company matches
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Alternative energy contractors: dataset insights
September 30, 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
2,072 records in the displayed employee bands.
21 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 2,093 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 30, 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 ↗
Alternative energy contractors by metro
Questions about this company list
What does Exact match mean for alternative energy contractors?
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 alternative energy contractors did RevenueBase find based in the United Kingdom?
The saved snapshot records 2,093 matching company records, 18,697 tracked contacts and 6,521 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 30, 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
Alternative energy contractors by geography
- Alternative energy contractors based in Buenos Aires, Argentina
- Alternative energy contractors based in Adelaide, Australia
- Alternative energy contractors based in Brisbane, Australia
- Alternative energy contractors based in Melbourne, Australia
- Alternative energy contractors based in Perth, Australia
- Alternative energy contractors based in Sydney, Australia
- Alternative energy contractors based in Belo Horizonte, Brazil
- Alternative energy contractors based in Brasilia, Brazil
- Alternative energy contractors based in Fortaleza, Brazil
- Alternative energy contractors based in Rio De Janeiro, Brazil
- Alternative energy contractors based in Sao Paulo, Brazil
- Alternative energy contractors based in Calgary, Canada
Cite this list
RevenueBase Data Team. Top 25 alternative energy contractors based in the United Kingdom. Snapshot: September 30, 2026. https://revenuebase.ai/companies/alternative-energy-contractors/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
- Alternative energy contractors based in Buenos Aires, Argentina
- Alternative energy contractors based in Adelaide, Australia
- Alternative energy contractors based in Brisbane, Australia
- Alternative energy contractors based in Melbourne, Australia
- Alternative energy contractors based in Perth, Australia
- Alternative energy contractors based in Sydney, Australia
Company intelligence · public preview
Top 25 alternative energy contractors based in the United Kingdom
RevenueBase records 2,093 matching company records for alternative energy contractors based in the United Kingdom, with 18,697 tracked contacts and 6,521 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 30, 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 alternative energy contractors 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 | 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 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | 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 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | 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 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | 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 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | British Solar Renewablesbritishrenewables.com HQ: Shepton Mallet, United KingdomReported employees: 51-200 | Shepton Mallet, United Kingdom | 51-200 | Exact match | 148 contacts → |
“Clean energy, powered with purpose.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Smith & Byfordsmithandbyford.com HQ: Cheam, United KingdomReported employees: 201-500 | Cheam, United Kingdom | 201-500 | Exact match | 132 contacts → |
“Smith & Byford is a family-owned and operated building services company.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Project Solar UKprojectsolaruk.com HQ: Burton On Trent, United KingdomReported employees: 201-500 | Burton On Trent, United Kingdom | 201-500 | Exact match | 122 contacts → |
“Project Solar UK Ltd are a well-established Renewable Energy company.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | BOXTboxt.co.uk HQ: Leeds, United KingdomReported employees: 51-200 | Leeds, United Kingdom | 51-200 | Exact match | 116 contacts → |
“We started out as a trailblazing boiler installation company in 2017 – the first to offer everything effortlessly online.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | AESaes-smart.xyz HQ: Enfield, United KingdomReported employees: 201-500 | Enfield, United Kingdom | 201-500 | Exact match | 112 contacts → |
“As renewable energy technology experts, we have the knowledge and skills to help commercial clients switch to a greener, lower cost and more independent energy source.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Glow Greenglowgreenltd.com HQ: Bournemouth, United KingdomReported employees: 51-200 | Bournemouth, United Kingdom | 51-200 | Exact match | 110 contacts → |
“Glow Green is one of the UK's leading installers of Solar Panels, Battery Storage, Heat Pumps, Boilers, AC Units, & EV Chargers.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Belectric UK Member Of Elevion Groupbelectric.com HQ: Brinkworth, United KingdomReported employees: 51-200 | Brinkworth, United Kingdom | 51-200 | Exact match | 95 contacts → |
“BELECTRIC UK is part of BELECTRIC, one of Europe's leading EPC service providers in the development, construction, and operation of solar power plants.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | CPS Building Services LTDcpsbuildingservices.co.uk HQ: Cambridge, United KingdomReported employees: 51-200 | Cambridge, United Kingdom | 51-200 | Exact match | 85 contacts → |
“CPS Building Services Ltd are experts in design, installation and maintenance of all mechanical and electrical services including renewables.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Purdy Part Of Sureservepurdycontracts.co.uk HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 85 contacts → |
“Who are we?” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | AMD Groupamdenvironmental.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 82 contacts → |
“AMD Environmental are a collaborative Mechanical and Electrical Design and Build Engineering specialist with a sustainable approach in delivering challenging and bespoke projects…” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Cleaner Groupcleanergroup.co.uk HQ: Wakefield, United KingdomReported employees: 11-50 | Wakefield, United Kingdom | 11-50 | Exact match | 80 contacts → |
“Cleaner Group is a UK leader in full turnkey renewable energy solutions; primarily for commercial EV charging and solar PV.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Evergen Solarevergensolar.co.uk HQ: Maidenhead, United KingdomReported employees: 51-200 | Maidenhead, United Kingdom | 51-200 | Exact match | 79 contacts → |
“Fully funded solar solutions specialising in Commercial and Residential Solar with Battery.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Innovainnova.co.uk HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 77 contacts → |
“Innova is a forward-thinking renewable energy business, employing people across two offices in London and Cheltenham.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Plug ME Inplugmein.com HQ: Manchester, United KingdomReported employees: 11-50 | Manchester, United Kingdom | 11-50 | Exact match | 76 contacts → |
“Powering ahead the UK's clean energy transition.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | United GAS & Powerugp.co.uk HQ: Guiseley, United KingdomReported employees: 51-200 | Guiseley, United Kingdom | 51-200 | Exact match | 73 contacts → |
“UGP is the highest rated business renewable energy supplier.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Locogenlocogen.com HQ: Edinburgh, United KingdomReported employees: 51-200 | Edinburgh, United Kingdom | 51-200 | Exact match | 70 contacts → |
“Locogen exists to accelerate the transition to a world powered by renewable energy.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Wattstorwattstor.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 70 contacts → |
“Think Outside The Grid.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | ECO Approachecoapproach.co.uk HQ: Beckenham, United KingdomReported employees: 51-200 | Beckenham, United Kingdom | 51-200 | Exact match | 67 contacts → |
“We’re a leading nationwide property services company established in 2013.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Dulas LTDdulas.org.uk HQ: Machynlleth, United KingdomReported employees: 51-200 | Machynlleth, United Kingdom | 51-200 | Exact match | 64 contacts → |
“With over 35 years of experience in the clean energy sector, Dulas is an award-winning renewable energy installer and consultancy, specialising in the wind, solar and hydro…” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | UK Greentechukgreentech.co.uk HQ: Trafford Park, United KingdomReported employees: 51-200 | Trafford Park, United Kingdom | 51-200 | Exact match | 61 contacts → |
“UK Greentech, a division of Edmundson Electrical, is a distributor of quality branded renewables products with locations servicing the whole of the UK.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Rendescorendesco.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 60 contacts → |
“Rendesco is the UK’s leading clean energy tech developer and operator, focusing on the electrification of heat using heat pumps and heat networks to decarbonise Britain’s…” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 2,093 company matches
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Alternative energy contractors: dataset insights
September 30, 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
2,072 records in the displayed employee bands.
21 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 2,093 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 30, 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 ↗
Alternative energy contractors by metro
Questions about this company list
What does Exact match mean for alternative energy contractors?
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 alternative energy contractors did RevenueBase find based in the United Kingdom?
The saved snapshot records 2,093 matching company records, 18,697 tracked contacts and 6,521 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 30, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 alternative energy contractors based in the United Kingdom. Snapshot: September 30, 2026. https://revenuebase.ai/companies/alternative-energy-contractors/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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