Company lists · Data refreshed October 2026

Top 25 Energy efficiency financing firms worldwide

RevenueBase identified 2,651 company matches for energy efficiency financing firms worldwide as of October 2026 and tracks 43,201 professional contacts across them, including 14,923 with verified work emails. The United States is the largest market and Paris the largest hub.

This list covers company matches for energy efficiency financing firms worldwide, 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 12, 2026. Country and city lists for energy efficiency financing firms follow the table.

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 Oct 12, 2026 How this list was built
2,651Companies
43,201Contacts tracked
14,923Verified emails
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The 25 largest energy efficiency financing firms worldwide

Ranked by team size
Top 25 of 2,651 company matches for energy efficiency financing firms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 12, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchWindsor, United KingdomHQ recorded Oct 12, 202610001+9,535 contacts →

Exact match

“Taking care of things.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
2Exact matchSaint-andré-lez-lille, FranceHQ recorded Oct 12, 202610001+8,823 contacts →

Exact match

“Dalkia : ensemble, relevons le défi climatique!”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
3Exact matchFramingham, MA, United StatesHQ recorded Oct 12, 20261,001-5,0001,513 contacts →

Exact match

“Ameresco, Inc.(NYSE:AMRC) is a leading energy infrastructure solutions provider dedicated to helping customers reduce costs, enhance resilience, and decarbonize to net zero in the…”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
4Exact matchAubervilliers, FranceHQ recorded Oct 12, 20261,001-5,000429 contacts →

Exact match

“Veolia Industries Global Solutions est devenu Veolia Energie Performance depuis le 1er juin 2025.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
5Exact matchShelton, CT, United StatesHQ recorded Oct 12, 2026201-500380 contacts →

Exact match

“Budderfly is redefining how energy efficiency, resilience, and grid participation can work together across America’s commercial sector.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
6Exact matchRiyadh, Saudi ArabiaHQ recorded Oct 12, 2026201-500355 contacts →

Exact match

“The National Energy Services Company (TARSHID) is a national company wholly owned by the Public Investment Fund (PIF).”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
7Exact matchNewark, NJ, United StatesHQ recorded Oct 12, 2026201-500248 contacts →

Exact match

“Lime Energy is building a new energy future.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
8Exact matchSao Paulo, BrazilHQ recorded Oct 12, 202651-200236 contacts →

Exact match

“Empresa voltada a projetos de Otimização e Eficiêntização no uso da energia elétrica.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
9Exact matchBeverly, MA, United StatesHQ recorded Oct 12, 2026201-500213 contacts →

Exact match

“Dalkia Energy Solutions, a subsidiary of the EDF (Électricité de France) Group, is a national leader in energy efficiency and sustainability for commercial, industrial, and…”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
10Exact matchMinneapolis, MN, United StatesHQ recorded Oct 12, 2026201-500207 contacts →

Exact match

“EMC manages and scales turnkey energy efficiency solutions for Fortune 500 clients across their North American portfolios.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
11Exact matchNew York, NY, United StatesHQ recorded Oct 12, 202651-200201 contacts →

Exact match

“Bright Power is a leading provider of energy efficiency and decarbonization solutions for the real estate industry.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
12Exact matchOakland, CA, United StatesHQ recorded Oct 12, 202651-200195 contacts →

Exact match

“Renew Financial pioneered the residential Property Assessed Clean Energy (PACE) program, an innovative financing solution that helps homeowners invest in energy efficiency, water…”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
13Exact matchSalvador, BrazilHQ recorded Oct 12, 202651-200189 contacts →

Exact match

“A Ledax é uma indústria que fornece soluções de eficiência energética B2B através de iluminação LED, geração de energia fotovoltaica (placas solares), monitoramento de consumo de…”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
14Exact matchLondon, United KingdomHQ recorded Oct 12, 2026201-500173 contacts →

Exact match

“CFP Energy is a leading provider of energy and environmental solutions for industrial and commercial clients.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
15Exact matchMarseille, FranceHQ recorded Oct 12, 202651-200164 contacts →

Exact match

“Implantée à Marseille depuis 2009, SONERGIA s’inscrit dans une démarche de développement durable en accompagnant les fournisseurs d’énergie, appelés obligés, dans l’atteinte des…”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
16Exact matchBogotá, ColombiaHQ recorded Oct 12, 2026201-500149 contacts →

Exact match

“Somos una empresa de origen francés especializada en la gestión energética para empresas.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
17Exact matchCranston, RI, United StatesHQ recorded Oct 12, 2026201-500147 contacts →

Exact match

“RISE is a pioneer in the delivery of turnkey energy-efficiency services for residential, commercial and industrial facilities.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
18Exact matchBoulogne-billancourt, FranceHQ recorded Oct 12, 202651-200142 contacts →

Exact match

“Accenta aide les acteurs de l’immobilier à maîtriser leurs charges, valoriser leurs actifs et répondre aux exigences réglementaires, grâce à la performance énergie-carbone.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
19Exact matchLjubljana, SloveniaHQ recorded Oct 12, 202651-200129 contacts →

Exact match

“Resalta is a leading European energy service company (ESCO) helping organizations reduce costs, lower emissions, and optimize energy use.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
20Exact matchFresno, CA, United StatesHQ recorded Oct 12, 2026501-1,000129 contacts →

Exact match

“Synergy Companies is the largest energy services companies in California and provides a comprehensive approach to energy efficiency and environmental solutions in both the…”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
21Exact matchLa Garenne-colombes, FranceHQ recorded Oct 12, 202651-200128 contacts →

Exact match

“Depuis sa création en 2008, CertiNergy se mobilise pour impulser et mettre en œuvre des actions d’économies d’énergie pour tous les consommateurs d’énergie, du particulier à…”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
22Exact matchIthaca, NY, United StatesHQ recorded Oct 12, 202651-200117 contacts →

Exact match

“PSD is an energy efficiency services and technology company.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
23Exact matchPhoenix, AZ, United StatesHQ recorded Oct 12, 202651-200117 contacts →

Exact match

“Erus Energy helps building owners evaluate and finance investments in Solar Energy and other energy saving equipment.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
24Exact matchToronto, ON, CanadaHQ recorded Oct 12, 202651-200115 contacts →

Exact match

“Polaron has defined excellence in Canada’s renewable energy sector since 2013, with proven staying power amid a fast paced industry and a vast portfolio of over installations.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
25Exact matchUnited StatesHQ recorded Oct 12, 202651-200108 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase

Showing 25 of 2,651 energy efficiency financing firms worldwide

See the full list, filter by size, metro and specialty, and access 14,923 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Energy efficiency financing firms worldwide at a glance

As of Oct 12, 2026
34.5%Verified-email coverage
16.3Average contacts per company
1-10Median size (employees)
2.2%Largest-city concentration · Paris
Oct 12, 2026Page data refreshed

Companies by employee count

1-10
1,519
11-50
854
51-200
195
201-500
51
501-1,000
8
1,001-5,000
10
5,001-10,000
3
10001+
3

Email recency is reported on each country list linked below.

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.
Coverage
Every country. Country and city lists for energy efficiency financing firms are linked below.
What qualifies
Company records worldwide whose business descriptions match “energy efficiency financing firms” 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. 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 14,923 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 12, 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.

Energy efficiency financing firms by location

16 lists · largest first

Every Energy efficiency financing firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 financing firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many energy efficiency financing firms are there worldwide?

RevenueBase identified 2,651 company matches for energy efficiency financing firms worldwide 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?

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

Which country has the most energy efficiency financing firms?

The United States leads with 607 companies, followed by France (220) and Italy (181). Every energy efficiency financing firms list by country and city is linked on this page.

Which city has the most energy efficiency financing firms?

Paris leads with 59 company records, followed by Madrid (34) and London (29).

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 14,923 professional contacts with verified work emails tracked across these 2,651 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 12, 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.