Company lists · Data refreshed November 2026

Top 25 Sustainable energy advisors worldwide

Name: Sustainable energy advisors worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 9,664 companies tracked

RevenueBase identified 9,664 company matches for sustainable energy advisors worldwide as of November 2026 and tracks 99,183 professional contacts across them, including 28,797 with verified work emails. The United States is the largest market and Madrid the largest hub.

This list covers company matches for sustainable energy advisors 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 November 6, 2026. Country and city lists for sustainable energy advisors 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 Nov 6, 2026 How this list was built

9,664Companies

99,183Contacts tracked

28,797Verified emails

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The 25 largest sustainable energy advisors worldwide

Ranked by team size

Top 25 of 9,664 company matches for sustainable energy advisors worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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	Engie Solutions France	Exact match	La Garenne-colombes, FranceHQ recorded Nov 6, 2026	10001+	11,810 contacts →
	Exact match “Les activités Infrastructures Energétiques Locales d’ENGIE accompagnent les collectivités, les industries et le secteur du bâtiment sur la voie de la décarbonation.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	Dalkia	Exact match	Saint-andré-lez-lille, FranceHQ recorded Nov 6, 2026	10001+	9,075 contacts →
	Exact match “Dalkia : ensemble, relevons le défi climatique!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	Clearesult	Exact match	Austin, TX, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,264 contacts →
	Exact match “CLEAResult is the largest provider of energy efficiency, energy transition and energy sustainability services in North America.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	Powur, PBC	Exact match	San Diego, United StatesHQ recorded Nov 6, 2026	n/a	1,155 contacts →
	Exact match “The Powur Mission: Accelerate the adoption of clean energy worldwide We're empowering our community of homeowners and advisors to thrive in the global shift to sustainable energy.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	Fraunhofer-Institut FÜR Solare Energiesysteme ISE	Exact match	Freiburg, GermanyHQ recorded Nov 6, 2026	1,001-5,000	950 contacts →
	Exact match “The Fraunhofer Institute for Solar Energy Systems ISE in Freiburg, Germany is the largest solar research institute in Europe.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	CRAM	Exact match	Le Havre, FranceHQ recorded Nov 6, 2026	501-1,000	494 contacts →
	Exact match “Nous sommes des femmes et des hommes engagés, qui chaque matin se lèvent avec une mission : être des acteurs clés de la transition énergétique.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Groupe Coriance	Exact match	Noisy-le-grand, FranceHQ recorded Nov 6, 2026	501-1,000	491 contacts →
	Exact match “Pour une énergie propre et mieux utilisée Notre mission : fournir des solutions énergétiques performantes et économiques, tout en minimisant l'impact environnemental.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	Energiewacht	Exact match	Zwolle, NetherlandsHQ recorded Nov 6, 2026	1,001-5,000	464 contacts →
	Exact match “Welkom in de boeiende wereld van de energietransitie.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	TRIO	Exact match	Irvine, MA, United StatesHQ recorded Nov 6, 2026	201-500	393 contacts →
	Exact match “We are Trio – global energy and sustainability advisors.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	NUS Consulting Group	Exact match	Park Ridge, United StatesHQ recorded Nov 6, 2026	201-500	363 contacts →
	Exact match “National Utility Service, Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Energy Trust Of Oregon	Exact match	Portland, OR, United StatesHQ recorded Nov 6, 2026	51-200	278 contacts →
	Exact match “Energy Trust of Oregon is an independent nonprofit organization dedicated to helping utility customers benefit from saving energy and generating renewable power.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Sgurrenergy	Exact match	Pune, IndiaHQ recorded Nov 6, 2026	201-500	244 contacts →
	Exact match “SgurrEnergy was originally established in Glasgow, UK in 2002 with an aim to excel in renewable energy consulting.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Sorigin Group	Exact match	Pune, IndiaHQ recorded Nov 6, 2026	201-500	243 contacts →
	Exact match “SORIGIN GROUP is a comprehensive and bespoke 360° services provider that empowers its partners to achieve long-term success through collaboration and technology.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	Prime Energy	Exact match	Sao Paulo, BrazilHQ recorded Nov 6, 2026	51-200	237 contacts →
	Exact match “Empresa voltada a projetos de Otimização e Eficiêntização no uso da energia elétrica.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Efficiencyone	Exact match	Dartmouth, NS, CanadaHQ recorded Nov 6, 2026	51-200	228 contacts →
	Exact match “EfficiencyOne is a leading efficiency expert.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Walker-Miller Energy Services	Exact match	Detroit, MI, United StatesHQ recorded Nov 6, 2026	51-200	227 contacts →
	Exact match “Walker-Miller Energy Services (Walker-Miller), one of the largest African American and woman owned energy efficiency companies in the United States, changes lives through energy.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	ECOM	Exact match	São Paulo, BrazilHQ recorded Nov 6, 2026	51-200	225 contacts →
	Exact match “Há mais de duas décadas, a Ecom transforma energia em soluções para empresas e negócios.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Dalkia Energy Solutions	Exact match	Beverly, MA, United StatesHQ recorded Nov 6, 2026	201-500	225 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 · Nov 6, 2026 · View company records in RevenueBase
19	Center For Energy And Environment	Exact match	Minneapolis, MN, United StatesHQ recorded Nov 6, 2026	51-200	224 contacts →
	Exact match “CEE is a community-based clean energy nonprofit with special expertise in energy efficiency that stretches back 40 years.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	PEG	Exact match	Fairfax, VA, United StatesHQ recorded Nov 6, 2026	201-500	223 contacts →
	Exact match “PEG presents a comprehensive capacity for the evaluation and understanding of a broad base of energy and environmental sustainability related programs, policies and initiatives.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Greenfoot Energy Solutions	Exact match	Moncton, BC, CanadaHQ recorded Nov 6, 2026	501-1,000	218 contacts →
	Exact match “Greenfoot Energy Solutions was established in 2014 by a group of energy experts dedicated to improving energy efficiency in Atlantic Canada.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	D2o	Exact match	Jaipur, IndiaHQ recorded Nov 6, 2026	51-200	211 contacts →
	Exact match “Design2Occupancy Services LLP (D2O) is a leading organization providing a platform and solutions in Energy Efficiency Analysis and Energy Code Compliances, Climate Change…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Ever-Green Energy	Exact match	St. Paul, MN, United StatesHQ recorded Nov 6, 2026	201-500	195 contacts →
	Exact match “Ever-Green Energy is a recognized leader in energy conservation and the use of renewable energy.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Nexant	Exact match	Half Moon Bay, CA, United StatesHQ recorded Nov 6, 2026	201-500	194 contacts →
	Exact match “Resource Innovations now combined with Nexant is a substantially woman-owned, woman-led energy consulting firm dedicated to creating equal access to clean resources through…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	OWC	Exact match	London, United KingdomHQ recorded Nov 6, 2026	51-200	191 contacts →
	Exact match “The Renewable Energy Consultants.” Recorded in the RevenueBase company graph · Nov 6, 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 “sustainable energy advisors”. 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 9,664 sustainable energy advisors worldwide

See the full list, filter by size, metro and specialty, and access 28,797 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Sustainable energy advisors worldwide at a glance

As of Nov 6, 2026

29.0%Verified-email coverage

10.3Average contacts per company

1-10Median size (employees)

1.0%Largest-city concentration · Madrid

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

6,042

11-50

2,779

51-200

606

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

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 sustainable energy advisors are linked below.
What qualifies: Company records worldwide whose business descriptions match “sustainable energy advisors” 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 28,797 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 November 6, 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.

Sustainable energy advisors by location

46 lists · largest first

Every Sustainable energy advisors 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 “sustainable energy advisors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many sustainable energy advisors are there worldwide?

RevenueBase identified 9,664 company matches for sustainable energy advisors worldwide as of November 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?

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

Which country has the most sustainable energy advisors?

The United States leads with 1,322 companies, followed by France (684) and Germany (586). Every sustainable energy advisors list by country and city is linked on this page.

Which city has the most sustainable energy advisors?

Madrid leads with 101 company records, followed by Paris (96) and London (78).

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 28,797 professional contacts with verified work emails tracked across these 9,664 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 November 6, 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.