Company lists · Data refreshed November 2026

Top 25 Commercial energy advisors worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 8,943 companies tracked

RevenueBase identified 8,943 company matches for commercial energy advisors worldwide as of November 2026 and tracks 89,485 professional contacts across them, including 28,670 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for commercial 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 commercial 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

8,943Companies

89,485Contacts tracked

28,670Verified emails

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The 25 largest commercial energy advisors worldwide

Ranked by team size

Top 25 of 8,943 company matches for commercial 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	British GAS	Exact match	Windsor, United KingdomHQ recorded Nov 6, 2026	10001+	9,964 contacts →
	Exact match “Taking care of things.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	Shell Energy	Exact match	London, United KingdomHQ recorded Nov 6, 2026	1,001-5,000	2,764 contacts →
	Exact match “We help businesses manage energy needs, boost efficiency, control costs and achieve decarbonisation goals for a better energy future.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	Ameresco	Exact match	Framingham, MA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,570 contacts →
	Exact match “Ameresco, Inc.(NYSE:AMRC) is a leading energy infrastructure company delivering integrated solutions to create reliable power and modernize infrastructure.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	Willdan	Exact match	Anaheim, CA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	897 contacts →
	Exact match “Willdan (NASDAQ: WLDN) provides professional consulting and technical services to utilities, public agencies and private industry throughout the United States.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	Northern GAS And Power	Exact match	Gateshead, United KingdomHQ recorded Nov 6, 2026	501-1,000	532 contacts →
	Exact match “As leaders in our field, we’re trusted by over businesses to provide a full energy service.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	ACES	Exact match	Carmel, AZ, United StatesHQ recorded Nov 6, 2026	201-500	507 contacts →
	Exact match “ACES is a nationwide energy management company that helps its clients buy, sell, and manage the complexity of the U.S.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Calpine Energy Solutions, LLC	Exact match	San Diego, CA, United StatesHQ recorded Nov 6, 2026	201-500	464 contacts →
	Exact match “Calpine Solutions is a retail energy provider with a robust suite of customized products, analytics, and data management solutions to turn a corporate electricity expense into a…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	BECIS	Exact match	Jakarta, SingaporeHQ recorded Nov 6, 2026	201-500	401 contacts →
	Exact match “BECIS is a leading Energy as a Service (EaaS) provider to high-quality commercial and industrial customers.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	Teleson Vertriebs Gmbh	Exact match	Munich, GermanyHQ recorded Nov 6, 2026	1,001-5,000	394 contacts →
	Exact match “Die TeleSon Vertriebs GmbH, ein Tochterunternehmen der TeleSon AG, ist Marktführer in der Vermittlung von Energielieferverträgen im Direktvertrieb.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Budderfly	Exact match	Shelton, CT, United StatesHQ recorded Nov 6, 2026	201-500	393 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 · Nov 6, 2026 · View company records in RevenueBase
11	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
12	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
13	Customized Energy Solutions	Exact match	Philadelphia, PA, United StatesHQ recorded Nov 6, 2026	201-500	355 contacts →
	Exact match “Customized Energy Solutions is at the forefront of competitive energy markets.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	ETP CC	Exact match	AustraliaHQ recorded Nov 6, 2026	n/a	330 contacts →
	Exact match “Management Consulting in the Energy Sector” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Enzen Global Solutions	Exact match	Bangalore, IndiaHQ recorded Nov 6, 2026	1,001-5,000	322 contacts →
	Exact match “Enzen Global Solutions - India is part of the Enzen Group, a global, professional, knowledge practice that focuses on gaining, refining and sharing expertise in the energy and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	EIC Partnership	Exact match	Redditch, United KingdomHQ recorded Nov 6, 2026	51-200	320 contacts →
	Exact match “EIC Partnership: A Legacy of Expertise, A Commitment to Sustainability With origins dating back to 1975, EIC has cultivated nearly 50 years of distinguished service in energy and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Nieuwestroom	Exact match	Maastricht, NetherlandsHQ recorded Nov 6, 2026	201-500	265 contacts →
	Exact match “Als gids in de complexe energiemarkt wijst NieuweStroom je de weg naar winst.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Direct Energy Business	Exact match	Pittsburgh, PA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	255 contacts →
	Exact match “Direct Energy Business is part of a leading energy and energy-related services provider that is focused on helping customers make their businesses better.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	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
20	Brook Green Supply	Exact match	London, United KingdomHQ recorded Nov 6, 2026	201-500	227 contacts →
	Exact match “As a trusted end-to-end partner in the energy space, Brook Green Supply delivers the insight and expertise our customers need to make informed decisions, transact energy with…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	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
22	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
23	Hudson Energy	Exact match	Houston, TX, United StatesHQ recorded Nov 6, 2026	201-500	221 contacts →
	Exact match “As one of the largest and fastest growing business to business suppliers of electricity, natural gas and green energy solutions in North America, large and small business owners…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	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
25	Opéra Energie	Exact match	Lyon, FranceHQ recorded Nov 6, 2026	201-500	206 contacts →
	Exact match “Opéra Energie est le pionnier et le leader français du courtage en énergie : face aux nouveaux défis du marché de l’énergie, il accompagne les entreprises et les collectivités…” 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 “commercial 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 8,943 commercial energy advisors worldwide

See the full list, filter by size, metro and specialty, and access 28,670 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Commercial energy advisors worldwide at a glance

As of Nov 6, 2026

32.0%Verified-email coverage

10.0Average contacts per company

1-10Median size (employees)

1.9%Largest-city concentration · London

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

5,760

11-50

2,397

51-200

544

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 commercial energy advisors are linked below.
What qualifies: Company records worldwide whose business descriptions match “commercial 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 28,670 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.

Commercial energy advisors by location

57 lists · largest first

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

How many commercial energy advisors are there worldwide?

RevenueBase identified 8,943 company matches for commercial 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?

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

Which country has the most commercial energy advisors?

The United States leads with 1,712 companies, followed by the United Kingdom (992) and Spain (635). Every commercial energy advisors list by country and city is linked on this page.

Which city has the most commercial energy advisors?

London leads with 169 company records, followed by Houston (127) and Madrid (123).

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 28,670 professional contacts with verified work emails tracked across these 8,943 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.