Company lists · Data refreshed September 2026

Top 25 Energy efficiency loan providers based in the United Kingdom

Name: Energy efficiency loan providers based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 16, 2026 269 companies tracked

RevenueBase identified 269 company matches for energy efficiency loan providers associated with the United Kingdom as of September 2026 and tracks 2,547 professional contacts across them, including 803 with verified work emails. London is the largest hub.

This list covers company matches for energy efficiency loan providers associated with the United Kingdom, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 16, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 16, 2026 How this list was built

269Companies

2,547Contacts tracked

803Verified emails

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The 25 largest energy efficiency loan providers based in the United Kingdom

Ranked by team size

Top 25 of 269 company matches for energy efficiency loan providers based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 16, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	SALIX	Exact match	London, United KingdomHQ recorded Sep 16, 2026	201-500	193 contacts →
	Exact match “Who we help "We help public sector organisations access funding and expertise to reduce carbon emissions, improve energy efficiency and create better places to live and work." How…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
2	Hometree	Exact match	London, United KingdomHQ recorded Sep 16, 2026	201-500	102 contacts →
	Exact match “Hometree is a home energy services company on a mission to accelerate the transition to net zero.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
3	City Energy Network	Exact match	Cardiff, United KingdomHQ recorded Sep 16, 2026	51-200	98 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 · Sep 16, 2026 · View company records in RevenueBase
4	Cenergist	Exact match	Washington, United KingdomHQ recorded Sep 16, 2026	201-500	62 contacts →
	Exact match “Cenergist is a specialist energy and water efficiency company in the UK and Europe.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
5	Scis Group	Exact match	Fareham, United KingdomHQ recorded Sep 16, 2026	51-200	60 contacts →
	Exact match “Hello.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
6	The Improveasy Group	Exact match	Altrincham, United KingdomHQ recorded Sep 16, 2026	51-200	58 contacts →
	Exact match “Energy solutions made easy.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
7	IZ Energy Services LTD	Exact match	Barking, United KingdomHQ recorded Sep 16, 2026	51-200	57 contacts →
	Exact match “IZ Energy is pioneering a sustainable future.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
8	ECO Providers	Exact match	Clitheroe, United KingdomHQ recorded Sep 16, 2026	51-200	51 contacts →
	Exact match “ECO Providers is a trusted leader in renewable and energy efficiency solutions, helping homeowners, businesses, and social housing organisations reduce energy costs, improve…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
9	Effective Home	Exact match	Doncaster, United KingdomHQ recorded Sep 16, 2026	51-200	48 contacts →
	Exact match “Effective Home was established in 2016 to help homeowners make their homes more energy efficient, save money and reduce their carbon footprint.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
10	Cotswold Energy Group	Exact match	Stonehouse, United KingdomHQ recorded Sep 16, 2026	51-200	45 contacts →
	Exact match “Secure your greener future with renewable energy solutions!” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
11	On-Site Energy LTD	Exact match	Liverpool, United KingdomHQ recorded Sep 16, 2026	11-50	28 contacts →
	Exact match “On-Site Energy was founded to support energy intensive manufacturers to improve their energy efficiency and achieve their sustainability goals through innovation and an…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
12	ECO 247	Exact match	St Asaph, United KingdomHQ recorded Sep 16, 2026	51-200	25 contacts →
	Exact match “At Eco 247, we are committed to building a greener future through sustainable energy solutions.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
13	CT ECO Plus	Exact match	Littlehampton, United KingdomHQ recorded Sep 16, 2026	11-50	22 contacts →
	Exact match “At CT Eco Plus, we deliver trusted, fully turnkey energy efficiency and retrofit solutions across the UK.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
14	Making Energy Greener	Exact match	Southport, United KingdomHQ recorded Sep 16, 2026	51-200	21 contacts →
	Exact match “With over 20 years of experience in the energy services sector, Making Energy Greener are committed to transforming our community's homes with innovative energy-saving products…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
15	Warm Front LTD	Exact match	Hyde, United KingdomHQ recorded Sep 16, 2026	51-200	21 contacts →
	Exact match “Warm Front Ltd is one of the leading providers of energy efficiency and building services in the North West of England.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
16	Zenith ECO Solutions	Exact match	Speke, United KingdomHQ recorded Sep 16, 2026	11-50	19 contacts →
	Exact match “Established in 2018, Zenith Eco Solutions has an aim along with Britain to improve Britain’s emissions, we are improving this by installing energy saving measures and energy…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
17	Elite Energy	Exact match	Stockton-on-tees, United KingdomHQ recorded Sep 16, 2026	51-200	18 contacts →
	Exact match “Elite Energy – Powering a Greener, Smarter UK Elite Energy is an award-winning energy solutions company helping homeowners across the UK reduce energy bills, cut carbon emissions…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
18	Borthwick Group	Exact match	Hartlepool, United KingdomHQ recorded Sep 16, 2026	51-200	18 contacts →
	Exact match “Borthwick Group is Hartlepool and the North East’s leading energy saving experts providing a range of finance and funding options to help our clients heat their homes.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
19	LOW Carbon Exchange	Exact match	Shepperton, United KingdomHQ recorded Sep 16, 2026	51-200	18 contacts →
	Exact match “Low Carbon Exchange specialise in delivering tailored energy saving services to the social housing sector and homeowner market in the UK.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
20	RMS Energy Solutions	Exact match	Coventry, United KingdomHQ recorded Sep 16, 2026	11-50	17 contacts →
	Exact match “Providing domestic energy efficiency solutions to save our customers money and save the environment.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
21	Simple Green Energy LTD	Exact match	London, United KingdomHQ recorded Sep 16, 2026	11-50	17 contacts →
	Exact match “Simple Green Energy \| Empowering Homes with Sustainable Solutions At Simple Green Energy, we’re committed to helping households across England and Wales reduce energy bills…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
22	Ecogiants	Exact match	Clitheroe, United KingdomHQ recorded Sep 16, 2026	11-50	16 contacts →
	Exact match “EcoGiants is a leading UK-based sustainable building retrofit specialist, delivering large-scale energy efficiency solutions for commercial and residential properties.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
23	Euro Energy Group	Exact match	Huncoat, United KingdomHQ recorded Sep 16, 2026	11-50	16 contacts →
	Exact match “Transforming UK homes and businesses into energy-efficient, future-ready spaces.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
24	Evergreen Energy	Exact match	Manchester, United KingdomHQ recorded Sep 16, 2026	11-50	16 contacts →
	Exact match “The word is out on global warming, and with it traditional means of producing energy are falling by the wayside.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
25	Shawton Energy	Exact match	Newton-le-willows, United KingdomHQ recorded Sep 16, 2026	11-50	16 contacts →
	Exact match “At Shawton Energy, we help businesses access cheaper, greener energy through innovative, fully funded solar solutions and flexible financing options.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “energy efficiency loan providers”. 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 269 energy efficiency loan providers based in the United Kingdom

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Energy efficiency loan providers based in the United Kingdom at a glance

As of Sep 16, 2026

31.5%Verified-email coverage

9.5Average contacts per company

11-50Median size (employees)

9.7%Largest-city concentration · London

Sep 16, 2026Page data refreshed

Companies by employee count

1-10

117

11-50

107

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

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 269 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies: Company records associated with the United Kingdom whose business descriptions match “energy efficiency loan providers” 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 803 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on September 16, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “energy efficiency loan providers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many energy efficiency loan providers are there based in the United Kingdom?

RevenueBase identified 269 company matches for energy efficiency loan providers 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?

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

Which city has the most energy efficiency loan providers?

London leads with 26 company records, followed by Manchester (11) and Birmingham (10).

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 803 professional contacts with verified work emails tracked across these 269 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 16, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.