Company lists · Data refreshed October 2026
Top 25 Home energy efficiency contractors based in the United Kingdom
RevenueBase identified 243 company matches for home energy efficiency contractors associated with the United Kingdom as of October 2026 and tracks 1,772 professional contacts across them, including 405 with verified work emails. London is the largest hub.
This list covers company matches for home energy efficiency 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 October 14, 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 home energy efficiency contractors based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 93 contacts → | ||||
Exact match “At City Energy Network, we help households across the UK improve energy efficiency, cut bills, and reduce carbon emissions.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 2 | 54 contacts → | ||||
Exact match “IZ Energy is pioneering a sustainable future.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 3 | 47 contacts → | ||||
Exact match “Secure your greener future with renewable energy solutions!” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 4 | 46 contacts → | ||||
Exact match “Energy solutions made easy.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 5 | 45 contacts → | ||||
Exact match “Sureserve Energy Services North is a leading national installer of insulation, heating solutions and renewable technologies.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 6 | 42 contacts → | ||||
Exact match “At Green Home Systems, we deliver whole-house retrofit solutions that make homes warmer, more energy efficient, and lower cost to run.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 7 | 31 contacts → | ||||
Exact match “Hello.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 8 | 23 contacts → | ||||
Exact match “Eclipse Energy are specialists in providing affordable and efficient ways to keep your home warm and dry for less.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 9 | 19 contacts → | ||||
Exact match “At Eco 247, we are committed to building a greener future through sustainable energy solutions.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 10 | 18 contacts → | ||||
Exact match “Eco Systems Group has been delivering high-quality insulation, retrofit, solar solutions & air source heat pumps across the commercial and residential sectors for over 13 years.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 11 | 16 contacts → | ||||
Exact match “Furbnow is the complete solution for planning and delivering home energy projects.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 12 | 16 contacts → | ||||
Exact match “SMS procurement services are designed to bring genuine efficiencies to your work programmes without sacrificing the level of choice and compliance you expect.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 13 | 15 contacts → | ||||
Exact match “EcoGiants hold PAS accreditations for all the following measures and are Trustmark registered through the IAA.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 14 | 14 contacts → | ||||
Exact match “Welcome to Eco Target – we are energy specialists based in London and our aim is to help our customers save money on energy bills and reduce carbon footprint.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 15 | 14 contacts → | ||||
Exact match “Providing domestic energy efficiency solutions to save our customers money and save the environment.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 16 | 13 contacts → | ||||
Exact match “We are a highly skilled, independent installation company based in Doncaster, South Yorkshire.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 17 | 13 contacts → | ||||
Exact match “At LCS Energy, we support your business with energy efficient solutions, providing you with a sustainable future and reducing your carbon impact on the environment.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 18 | 13 contacts → | ||||
Exact match “We are Urban Renewable Power (URP), experts in providing energy efficiency measures.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 19 | 13 contacts → | ||||
Exact match “Since our beginning in 2014, we have completed more than installations.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 20 | 13 contacts → | ||||
Exact match “From our humble beginnings in the heart of Lancashire, to becoming one of the UK’s most trusted retrofit advisors and installers, we are fully licensed, accredited and meet all…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 21 | 12 contacts → | ||||
Exact match “Wizard Eco are nationally accredited installers for the ECO4 Scheme.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 22 | 10 contacts → | ||||
Exact match “Falcon Energy specialise in Energy Conservation for both domestic and commercial markets.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 23 | 9 contacts → | ||||
Exact match “At Cocuun, we help find solutions to improve your home's energy efficiency.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 24 | 9 contacts → | ||||
Exact match “SuSy is a free-to-use tool for householders who want to want to make their homes warmer, greener and cheaper to run.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 25 | 9 contacts → | ||||
Exact match “Carbon Saving Group provide energy efficient systems to homes and businesses in Devon and Cornwall, helping customers to lower their carbon emissions and save on energy bills.” Recorded in the RevenueBase company graph · Oct 14, 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 “home energy efficiency 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 243 home energy efficiency contractors based in the United Kingdom
See the full list, filter by size, metro and specialty, and access 405 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Home energy efficiency contractors based in the United Kingdom at a glance
As of Oct 14, 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 243 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 “home energy efficiency 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 405 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 October 14, 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 “home energy efficiency contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many home energy efficiency contractors are there based in the United Kingdom?
RevenueBase identified 243 company matches for home energy efficiency contractors associated with the United Kingdom as of October 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?
City Energy Network tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most home energy efficiency contractors?
London leads with 27 company records, followed by Liverpool (7) and Leicester (6).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 405 professional contacts with verified work emails tracked across these 243 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 October 14, 2026.
Ready to reach these companies? Verified emails and direct dials for all 243 home energy efficiency contractors based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Home energy efficiency contractors by geography
- Home energy efficiency contractors based in Paris, France
- Home energy efficiency contractors based in Australia
- Home energy efficiency contractors based in Canada
- Home energy efficiency contractors based in France
- Home energy efficiency contractors based in Germany
- Home energy efficiency contractors based in Ireland
- Home energy efficiency contractors based in Italy
- Home energy efficiency contractors based in the Netherlands
- Home energy efficiency contractors based in Spain
- Home energy efficiency contractors based in the United States
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
- Home energy efficiency contractors based in Paris, France
- Home energy efficiency contractors based in Australia
- Home energy efficiency contractors based in Canada
- Home energy efficiency contractors based in France
- Home energy efficiency contractors based in Germany
- Home energy efficiency contractors based in Ireland
Company intelligence · public preview
Top 25 home energy efficiency 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 243 matching company records for home energy efficiency contractors based in the United Kingdom, with 1,772 tracked contacts and 405 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: October 14, 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 home energy efficiency 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 | City Energy Networkcityenergy.co.uk HQ: Cardiff, United KingdomReported employees: 51-200 | Cardiff, United Kingdom | 51-200 | Exact match | 93 contacts → |
“At City Energy Network, we help households across the UK improve energy efficiency, cut bills, and reduce carbon emissions.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | IZ Energy Services LTDizenergy.co.uk HQ: Barking, United KingdomReported employees: 51-200 | Barking, United Kingdom | 51-200 | Exact match | 54 contacts → |
“IZ Energy is pioneering a sustainable future.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Cotswold Energy Groupcotswold.energyHQ: Stonehouse, United KingdomReported employees: 51-200 | Stonehouse, United Kingdom | 51-200 | Exact match | 47 contacts → |
“Secure your greener future with renewable energy solutions!” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  The Improveasy Groupimproveasy.comHQ: Altrincham, United KingdomReported employees: 51-200 | Altrincham, United Kingdom | 51-200 | Exact match | 46 contacts → |
“Energy solutions made easy.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Sureserve Energy Services Northsureserve.co.ukHQ: Brighouse, United KingdomReported employees: 1,001-5,000 | Brighouse, United Kingdom | 1,001-5,000 | Exact match | 45 contacts → |
“Sureserve Energy Services North is a leading national installer of insulation, heating solutions and renewable technologies.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Green Home Systemsgreenhomesystems.co.uk HQ: Irvine, United KingdomReported employees: 51-200 | Irvine, United Kingdom | 51-200 | Exact match | 42 contacts → |
“At Green Home Systems, we deliver whole-house retrofit solutions that make homes warmer, more energy efficient, and lower cost to run.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Scis Groupscisltd.co.uk HQ: Fareham, United KingdomReported employees: 51-200 | Fareham, United Kingdom | 51-200 | Exact match | 31 contacts → |
“Hello.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Eclipse Energyeclipseenergy.co.uk HQ: Halifax, United KingdomReported employees: 11-50 | Halifax, United Kingdom | 11-50 | Exact match | 23 contacts → |
“Eclipse Energy are specialists in providing affordable and efficient ways to keep your home warm and dry for less.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | ECO 247eco24-7.co.uk HQ: St Asaph, United KingdomReported employees: 51-200 | St Asaph, United Kingdom | 51-200 | Exact match | 19 contacts → |
“At Eco 247, we are committed to building a greener future through sustainable energy solutions.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | ECO Systems Group LTDecosystemsgroup.co.uk HQ: Harold Wood, United KingdomReported employees: 51-200 | Harold Wood, United Kingdom | 51-200 | Exact match | 18 contacts → |
“Eco Systems Group has been delivering high-quality insulation, retrofit, solar solutions & air source heat pumps across the commercial and residential sectors for over 13 years.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Furbnowfurbnow.com HQ: Birmingham, United KingdomReported employees: 11-50 | Birmingham, United Kingdom | 11-50 | Exact match | 16 contacts → |
“Furbnow is the complete solution for planning and delivering home energy projects.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Surefire Management Servicessurefirems.co.uk HQ: Bletchley, United KingdomReported employees: 1-10 | Bletchley, United Kingdom | 1-10 | Exact match | 16 contacts → |
“SMS procurement services are designed to bring genuine efficiencies to your work programmes without sacrificing the level of choice and compliance you expect.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Ecogiantsecogiants.co.uk HQ: Clitheroe, United KingdomReported employees: 11-50 | Clitheroe, United Kingdom | 11-50 | Exact match | 15 contacts → |
“EcoGiants hold PAS accreditations for all the following measures and are Trustmark registered through the IAA.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  ECO Targetecotarget.co.ukHQ: Barking And Dagenham, United KingdomReported employees: 11-50 | Barking And Dagenham, United Kingdom | 11-50 | Exact match | 14 contacts → |
“Welcome to Eco Target – we are energy specialists based in London and our aim is to help our customers save money on energy bills and reduce carbon footprint.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  RMS Energy Solutionsrmsenergy.co.ukHQ: Coventry, United KingdomReported employees: 11-50 | Coventry, United Kingdom | 11-50 | Exact match | 14 contacts → |
“Providing domestic energy efficiency solutions to save our customers money and save the environment.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | DJB Installsdjbi.co.uk HQ: Doncaster, United KingdomReported employees: 11-50 | Doncaster, United Kingdom | 11-50 | Exact match | 13 contacts → |
“We are a highly skilled, independent installation company based in Doncaster, South Yorkshire.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | LCS Energy LTDlcsenergy.co.uk HQ: Kimbolton, United KingdomReported employees: 11-50 | Kimbolton, United Kingdom | 11-50 | Exact match | 13 contacts → |
“At LCS Energy, we support your business with energy efficient solutions, providing you with a sustainable future and reducing your carbon impact on the environment.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | URP Group LTDurpltd.co.uk HQ: Sheffield, United KingdomReported employees: 11-50 | Sheffield, United Kingdom | 11-50 | Exact match | 13 contacts → |
“We are Urban Renewable Power (URP), experts in providing energy efficiency measures.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Senergy Directsenergydirect.co.uk HQ: Basildon, United KingdomReported employees: 11-50 | Basildon, United Kingdom | 11-50 | Exact match | 13 contacts → |
“Since our beginning in 2014, we have completed more than installations.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Euro Energy Groupeuroenergygroup.co.uk HQ: Accrington, United KingdomReported employees: 11-50 | Accrington, United Kingdom | 11-50 | Exact match | 13 contacts → |
“From our humble beginnings in the heart of Lancashire, to becoming one of the UK’s most trusted retrofit advisors and installers, we are fully licensed, accredited and meet all…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Wizard ECOwizardeco.com HQ: South Wales, United KingdomReported employees: 11-50 | South Wales, United Kingdom | 11-50 | Exact match | 12 contacts → |
“Wizard Eco are nationally accredited installers for the ECO4 Scheme.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Falcon Energy LTDfalconenergy.co.uk HQ: Horsham, United KingdomReported employees: 1-10 | Horsham, United Kingdom | 1-10 | Exact match | 10 contacts → |
“Falcon Energy specialise in Energy Conservation for both domestic and commercial markets.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Cocuuncocuun.co HQ: Kingston Upon Hull, United KingdomReported employees: 11-50 | Kingston Upon Hull, United Kingdom | 11-50 | Exact match | 9 contacts → |
“At Cocuun, we help find solutions to improve your home's energy efficiency.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Susy Housesusy.house HQ: Bristol, United KingdomReported employees: 1-10 | Bristol, United Kingdom | 1-10 | Exact match | 9 contacts → |
“SuSy is a free-to-use tool for householders who want to want to make their homes warmer, greener and cheaper to run.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Carbon Saving Groupcarbonsavinggroup.comHQ: Plymouth, United KingdomReported employees: 11-50 | Plymouth, United Kingdom | 11-50 | Exact match | 9 contacts → |
“Carbon Saving Group provide energy efficient systems to homes and businesses in Devon and Cornwall, helping customers to lower their carbon emissions and save on energy bills.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 243 company matches
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Home energy efficiency contractors: dataset insights
October 14, 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
242 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 243 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: October 14, 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 home energy efficiency 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 home energy efficiency contractors did RevenueBase find based in the United Kingdom?
The saved snapshot records 243 matching company records, 1,772 tracked contacts and 405 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: October 14, 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
Home energy efficiency contractors by geography
- Home energy efficiency contractors based in Paris, France
- Home energy efficiency contractors based in Australia
- Home energy efficiency contractors based in Canada
- Home energy efficiency contractors based in France
- Home energy efficiency contractors based in Germany
- Home energy efficiency contractors based in Ireland
- Home energy efficiency contractors based in Italy
- Home energy efficiency contractors based in the Netherlands
- Home energy efficiency contractors based in Spain
- Home energy efficiency contractors based in the United States
Cite this list
RevenueBase Data Team. Top 25 home energy efficiency contractors based in the United Kingdom. Snapshot: October 14, 2026. https://revenuebase.ai/companies/home-energy-efficiency-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
- Home energy efficiency contractors based in Paris, France
- Home energy efficiency contractors based in Australia
- Home energy efficiency contractors based in Canada
- Home energy efficiency contractors based in France
- Home energy efficiency contractors based in Germany
- Home energy efficiency contractors based in Ireland
Company intelligence · public preview
Top 25 home energy efficiency contractors based in the United Kingdom
RevenueBase records 243 matching company records for home energy efficiency contractors based in the United Kingdom, with 1,772 tracked contacts and 405 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: October 14, 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 home energy efficiency 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 | City Energy Networkcityenergy.co.uk HQ: Cardiff, United KingdomReported employees: 51-200 | Cardiff, United Kingdom | 51-200 | Exact match | 93 contacts → |
“At City Energy Network, we help households across the UK improve energy efficiency, cut bills, and reduce carbon emissions.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | IZ Energy Services LTDizenergy.co.uk HQ: Barking, United KingdomReported employees: 51-200 | Barking, United Kingdom | 51-200 | Exact match | 54 contacts → |
“IZ Energy is pioneering a sustainable future.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Cotswold Energy Groupcotswold.energy HQ: Stonehouse, United KingdomReported employees: 51-200 | Stonehouse, United Kingdom | 51-200 | Exact match | 47 contacts → |
“Secure your greener future with renewable energy solutions!” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | The Improveasy Groupimproveasy.com HQ: Altrincham, United KingdomReported employees: 51-200 | Altrincham, United Kingdom | 51-200 | Exact match | 46 contacts → |
“Energy solutions made easy.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Sureserve Energy Services Northsureserve.co.uk HQ: Brighouse, United KingdomReported employees: 1,001-5,000 | Brighouse, United Kingdom | 1,001-5,000 | Exact match | 45 contacts → |
“Sureserve Energy Services North is a leading national installer of insulation, heating solutions and renewable technologies.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Green Home Systemsgreenhomesystems.co.uk HQ: Irvine, United KingdomReported employees: 51-200 | Irvine, United Kingdom | 51-200 | Exact match | 42 contacts → |
“At Green Home Systems, we deliver whole-house retrofit solutions that make homes warmer, more energy efficient, and lower cost to run.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Scis Groupscisltd.co.uk HQ: Fareham, United KingdomReported employees: 51-200 | Fareham, United Kingdom | 51-200 | Exact match | 31 contacts → |
“Hello.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Eclipse Energyeclipseenergy.co.uk HQ: Halifax, United KingdomReported employees: 11-50 | Halifax, United Kingdom | 11-50 | Exact match | 23 contacts → |
“Eclipse Energy are specialists in providing affordable and efficient ways to keep your home warm and dry for less.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | ECO 247eco24-7.co.uk HQ: St Asaph, United KingdomReported employees: 51-200 | St Asaph, United Kingdom | 51-200 | Exact match | 19 contacts → |
“At Eco 247, we are committed to building a greener future through sustainable energy solutions.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | ECO Systems Group LTDecosystemsgroup.co.uk HQ: Harold Wood, United KingdomReported employees: 51-200 | Harold Wood, United Kingdom | 51-200 | Exact match | 18 contacts → |
“Eco Systems Group has been delivering high-quality insulation, retrofit, solar solutions & air source heat pumps across the commercial and residential sectors for over 13 years.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Furbnowfurbnow.com HQ: Birmingham, United KingdomReported employees: 11-50 | Birmingham, United Kingdom | 11-50 | Exact match | 16 contacts → |
“Furbnow is the complete solution for planning and delivering home energy projects.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Surefire Management Servicessurefirems.co.uk HQ: Bletchley, United KingdomReported employees: 1-10 | Bletchley, United Kingdom | 1-10 | Exact match | 16 contacts → |
“SMS procurement services are designed to bring genuine efficiencies to your work programmes without sacrificing the level of choice and compliance you expect.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Ecogiantsecogiants.co.uk HQ: Clitheroe, United KingdomReported employees: 11-50 | Clitheroe, United Kingdom | 11-50 | Exact match | 15 contacts → |
“EcoGiants hold PAS accreditations for all the following measures and are Trustmark registered through the IAA.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | ECO Targetecotarget.co.uk HQ: Barking And Dagenham, United KingdomReported employees: 11-50 | Barking And Dagenham, United Kingdom | 11-50 | Exact match | 14 contacts → |
“Welcome to Eco Target – we are energy specialists based in London and our aim is to help our customers save money on energy bills and reduce carbon footprint.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | RMS Energy Solutionsrmsenergy.co.uk HQ: Coventry, United KingdomReported employees: 11-50 | Coventry, United Kingdom | 11-50 | Exact match | 14 contacts → |
“Providing domestic energy efficiency solutions to save our customers money and save the environment.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | DJB Installsdjbi.co.uk HQ: Doncaster, United KingdomReported employees: 11-50 | Doncaster, United Kingdom | 11-50 | Exact match | 13 contacts → |
“We are a highly skilled, independent installation company based in Doncaster, South Yorkshire.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | LCS Energy LTDlcsenergy.co.uk HQ: Kimbolton, United KingdomReported employees: 11-50 | Kimbolton, United Kingdom | 11-50 | Exact match | 13 contacts → |
“At LCS Energy, we support your business with energy efficient solutions, providing you with a sustainable future and reducing your carbon impact on the environment.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | URP Group LTDurpltd.co.uk HQ: Sheffield, United KingdomReported employees: 11-50 | Sheffield, United Kingdom | 11-50 | Exact match | 13 contacts → |
“We are Urban Renewable Power (URP), experts in providing energy efficiency measures.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Senergy Directsenergydirect.co.uk HQ: Basildon, United KingdomReported employees: 11-50 | Basildon, United Kingdom | 11-50 | Exact match | 13 contacts → |
“Since our beginning in 2014, we have completed more than installations.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Euro Energy Groupeuroenergygroup.co.uk HQ: Accrington, United KingdomReported employees: 11-50 | Accrington, United Kingdom | 11-50 | Exact match | 13 contacts → |
“From our humble beginnings in the heart of Lancashire, to becoming one of the UK’s most trusted retrofit advisors and installers, we are fully licensed, accredited and meet all…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Wizard ECOwizardeco.com HQ: South Wales, United KingdomReported employees: 11-50 | South Wales, United Kingdom | 11-50 | Exact match | 12 contacts → |
“Wizard Eco are nationally accredited installers for the ECO4 Scheme.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Falcon Energy LTDfalconenergy.co.uk HQ: Horsham, United KingdomReported employees: 1-10 | Horsham, United Kingdom | 1-10 | Exact match | 10 contacts → |
“Falcon Energy specialise in Energy Conservation for both domestic and commercial markets.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Cocuuncocuun.co HQ: Kingston Upon Hull, United KingdomReported employees: 11-50 | Kingston Upon Hull, United Kingdom | 11-50 | Exact match | 9 contacts → |
“At Cocuun, we help find solutions to improve your home's energy efficiency.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Susy Housesusy.house HQ: Bristol, United KingdomReported employees: 1-10 | Bristol, United Kingdom | 1-10 | Exact match | 9 contacts → |
“SuSy is a free-to-use tool for householders who want to want to make their homes warmer, greener and cheaper to run.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Carbon Saving Groupcarbonsavinggroup.com HQ: Plymouth, United KingdomReported employees: 11-50 | Plymouth, United Kingdom | 11-50 | Exact match | 9 contacts → |
“Carbon Saving Group provide energy efficient systems to homes and businesses in Devon and Cornwall, helping customers to lower their carbon emissions and save on energy bills.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 243 company matches
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Home energy efficiency contractors: dataset insights
October 14, 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
242 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 243 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: October 14, 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 home energy efficiency 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 home energy efficiency contractors did RevenueBase find based in the United Kingdom?
The saved snapshot records 243 matching company records, 1,772 tracked contacts and 405 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: October 14, 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 home energy efficiency contractors based in the United Kingdom. Snapshot: October 14, 2026. https://revenuebase.ai/companies/home-energy-efficiency-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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