Company lists · Data refreshed November 2026

Top 25 Green energy consultants worldwide

Name: Green energy consultants worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 16,954 companies tracked

RevenueBase identified 16,954 company matches for green energy consultants worldwide as of November 2026 and tracks 142,929 professional contacts across them, including 41,324 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for green energy consultants 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 green energy consultants 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

16,954Companies

142,929Contacts tracked

41,324Verified emails

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The 25 largest green energy consultants worldwide

Ranked by team size

Top 25 of 16,954 company matches for green energy consultants 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	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
2	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
3	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
4	Cleanmax	Exact match	Mumbai, IndiaHQ recorded Nov 6, 2026	201-500	852 contacts →
	Exact match “CleanMax is India's largest C&I renewable energy provider with total contracted capacity 6.8 GW, helping corporates and businesses go Net-Zero through customisable, tailored…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	NWG S.P.A	Exact match	Prato, ItalyHQ recorded Nov 6, 2026	n/a	792 contacts →
	Exact match “Nata a Prato nel 2003 è oggi una delle più importanti realtà nel mercato della Green Economy.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	Revergy	Exact match	Seville, SpainHQ recorded Nov 6, 2026	501-1,000	545 contacts →
	Exact match “REVERGY nace mediante un proyecto de profesionales procedentes de diferentes ámbitos del sector de las energías renovables con el fin de presentar un proyecto marcado por la…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Swedish Energy Agency	Exact match	Eskilstuna, SwedenHQ recorded Nov 6, 2026	201-500	533 contacts →
	Exact match “The Swedish Energy Agency is a Swedish government Agency and works for the use of renewable energy, improved technologies, a smarter end-use of energy, and mitigation of climate…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	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
9	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
10	ADP Consulting	Exact match	Melbourne, AustraliaHQ recorded Nov 6, 2026	201-500	472 contacts →
	Exact match “ADP Consulting, an Ayesa company, is a sustainability-led engineering consultancy on a quest to inspire a better world through influence and design.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	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
12	SSE Airtricity	Exact match	IrelandHQ recorded Nov 6, 2026	501-1,000	406 contacts →
	Exact match “SSE Airtricity has been harnessing our greatest natural resource for the past 25 years, providing cleaner, renewable energy† for homes and businesses across the country.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Enertis Applus	Exact match	Madrid, NC, SpainHQ recorded Nov 6, 2026	201-500	404 contacts →
	Exact match “Enertis Applus+ is a global engineering consultancy firm with extensive expertise in the renewable energy and BESS industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	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
15	AESA	Exact match	Barcelona, SpainHQ recorded Nov 6, 2026	n/a	381 contacts →
	Exact match “Ingeniería y Consultoría Energética orientada a la búsqueda y el desarrollo de soluciones energéticas de alta eficiencia para sus Clientes.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Doris Group	Exact match	Paris, FranceHQ recorded Nov 6, 2026	501-1,000	380 contacts →
	Exact match “DORIS is a leader in the provision of engineering, advisory, and project management services to the energy industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	P2s	Exact match	Long Beach, CA, United StatesHQ recorded Nov 6, 2026	201-500	379 contacts →
	Exact match “P2S has brought forward-thinking, sustainable engineering solutions to the West Coast and beyond for over 35 years.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	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
19	CPW	Exact match	Birmingham, United KingdomHQ recorded Nov 6, 2026	201-500	346 contacts →
	Exact match “Climate change is without a doubt the greatest challenge we face in these times.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Manergy	Exact match	Créteil, FranceHQ recorded Nov 6, 2026	501-1,000	330 contacts →
	Exact match “Depuis plus de 40 ans, MANERGY s’affirme comme une société indépendante de référence, spécialisée dans l’ingénierie et le conseil en transition énergétique et environnementale.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	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
22	Cascade Energy	Exact match	Portland, OR, United StatesHQ recorded Nov 6, 2026	201-500	304 contacts →
	Exact match “At Cascade Energy, we believe in better.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	PSC Consulting	Exact match	Kirkland, United StatesHQ recorded Nov 6, 2026	201-500	284 contacts →
	Exact match “We provide global renewable energy consulting services, focused on empowering clients to navigate the complexities of the energy transition.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Meraki Solar	Exact match	Pensacola, FL, United StatesHQ recorded Nov 6, 2026	1,001-5,000	284 contacts →
	Exact match “People.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	Apollo Green Energy Limited	Exact match	Gurgaon, IndiaHQ recorded Nov 6, 2026	1,001-5,000	283 contacts →
	Exact match “Apollo Green Energy Limited (AGEL) is a leading EPC company specializing in renewable energy solutions.” 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 “green energy consultants”. 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 16,954 green energy consultants worldwide

See the full list, filter by size, metro and specialty, and access 41,324 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Green energy consultants worldwide at a glance

As of Nov 6, 2026

28.9%Verified-email coverage

8.4Average contacts per company

1-10Median size (employees)

1.2%Largest-city concentration · London

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

10,636

11-50

4,845

51-200

1,052

201-500

178

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 green energy consultants are linked below.
What qualifies: Company records worldwide whose business descriptions match “green energy consultants” 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 41,324 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.

Green energy consultants by location

116 lists · largest first

Every Green energy consultants 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 “green energy consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many green energy consultants are there worldwide?

RevenueBase identified 16,954 company matches for green energy consultants 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?

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

Which country has the most green energy consultants?

The United States leads with 2,287 companies, followed by the United Kingdom (1,214) and Germany (994). Every green energy consultants list by country and city is linked on this page.

Which city has the most green energy consultants?

London leads with 195 company records, followed by Madrid (164) and Paris (134).

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 41,324 professional contacts with verified work emails tracked across these 16,954 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.