Company lists · Data refreshed September 2026

Top 25 Consulting renewable energy companies worldwide

Name: Consulting renewable energy companies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 21, 2026 20,070 companies tracked

RevenueBase identified 20,070 company matches for consulting renewable energy companies worldwide as of September 2026 and tracks 180,962 professional contacts across them, including 47,362 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for consulting renewable energy companies 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 September 21, 2026. Country and city lists for consulting renewable energy companies 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 Sep 21, 2026 How this list was built

20,070Companies

180,962Contacts tracked

47,362Verified emails

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The 25 largest consulting renewable energy companies worldwide

Ranked by team size

Top 25 of 20,070 company matches for consulting renewable energy companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 21, 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 Sep 21, 2026	10001+	8,427 contacts →
	Exact match “Dalkia : ensemble, relevons le défi climatique!” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
2	Waaree Group	Exact match	Mumbai, IndiaHQ recorded Sep 21, 2026	5,001-10,000	2,264 contacts →
	Exact match “Founded in 1990, Waaree Energies Limited is India’s leading renewable energy company, driving the global transition to clean power.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
3	Vulcain Engineering Group	Exact match	Neuilly-sur-seine, FranceHQ recorded Sep 21, 2026	5,001-10,000	1,496 contacts →
	Exact match “Vulcain Engineering Group is a multi-specialist engineering and consulting group serving industrial companies across the globe, focused on critical sectors: energy, health…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
4	Voltalia	Exact match	Paris, FranceHQ recorded Sep 21, 2026	1,001-5,000	1,436 contacts →
	Exact match “Voltalia is an international player in renewable energies.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
5	Fichtner	Exact match	Stuttgart, GermanyHQ recorded Sep 21, 2026	1,001-5,000	1,279 contacts →
	Exact match “As a leading, independent engineering and consultancy enterprise active in the sectors of energy and infrastructure, Fichtner handles challenging projects in countries all over…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
6	Inox Wind LTD	Exact match	Noida, IndiaHQ recorded Sep 21, 2026	1,001-5,000	952 contacts →
	Exact match “Inox Wind is India’s leading wind energy solutions provider, offering comprehensive services from concept to commissioning and Operations & Maintenance (O&M).” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
7	Wanzek Construction, Inc., A Mastec Company	Exact match	Fargo, ND, United StatesHQ recorded Sep 21, 2026	1,001-5,000	933 contacts →
	Exact match “Wanzek Construction, Inc, a MasTec Renewables company, is a leading general construction contractor and clean energy services company headquartered in Fargo, North Dakota.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
8	Willdan	Exact match	Anaheim, CA, United StatesHQ recorded Sep 21, 2026	1,001-5,000	851 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 · Sep 21, 2026 · View company records in RevenueBase
9	Juwi Group	Exact match	Wörrstadt, GermanyHQ recorded Sep 21, 2026	1,001-5,000	785 contacts →
	Exact match “For 30 years, we have been one of the leading specialists in renewable energies, offering complete project development and other services related to the planning, construction…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
10	Cleanmax	Exact match	Mumbai, IndiaHQ recorded Sep 21, 2026	201-500	735 contacts →
	Exact match “CleanMax is India’s largest commercial and industrial (“C&I”) renewable energy provider with 3 GW of operational, owned and managed capacity.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
11	GES	Exact match	Zamudio, SpainHQ recorded Sep 21, 2026	501-1,000	702 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
12	Schwager	Exact match	Santiago, ChileHQ recorded Sep 21, 2026	501-1,000	671 contacts →
	Exact match “Misión En todas sus áreas de negocios, SCHWAGER proveerá servicios y bienes de excelencia, ofreciendo, confianza y credibilidad a nuestros clientes, colaboradores y accionistas…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
13	Vikran Engineering LTD	Exact match	Thane, IndiaHQ recorded Sep 21, 2026	501-1,000	661 contacts →
	Exact match “M/s VIKRAN Engineering Ltd is a reputed and established engineering company specializing in providing comprehensive solutions in the fields of renewable energy, engineering…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
14	WTS Energy	Exact match	The Hague, NetherlandsHQ recorded Sep 21, 2026	1,001-5,000	651 contacts →
	Exact match “The Energy Transition brings new challenges and opportunities to all of us.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
15	ACV Tecline Engenharia Ltda	Exact match	Curitiba, BrazilHQ recorded Sep 21, 2026	501-1,000	557 contacts →
	Exact match “A ACV Tecline é uma empresa especializada na prestação de serviços voltados, principalmente, para empresas do setor de energia, com destaque para as áreas de petróleo e gás.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
16	Fourth Partner Energy	Exact match	Hyderabad, IndiaHQ recorded Sep 21, 2026	201-500	548 contacts →
	Exact match “Fourth Partner Energy is India’s leading Renewable Energy firm focusing on building and financing Solar, Wind, Hybrid and Battery Storage projects/ solutions for commercial…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
17	Hero Future Energies	Exact match	New Delhi, IndiaHQ recorded Sep 21, 2026	501-1,000	544 contacts →
	Exact match “Hero Future Energies (An ISO 27001:2022 Certified Company) is a leading global renewable energy company and part of the illustrious Hero Group, one of the most respected business…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
18	Grupotec	Exact match	Valencia, SpainHQ recorded Sep 21, 2026	501-1,000	538 contacts →
	Exact match “GRUPOTEC - Empresa multidisciplinar de ingeniería y arquitectura y líder en el sector de la energía fotovoltaica.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19	IGNIS	Exact match	Madrid, SpainHQ recorded Sep 21, 2026	501-1,000	533 contacts →
	Exact match “We are a vertically integrated energy company and offer tailored solutions for large consumers and for new energy demands, such as data centers.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
20	AKUO	Exact match	Paris, FranceHQ recorded Sep 21, 2026	201-500	525 contacts →
	Exact match “Akuo est spécialisé dans la mise en œuvre d’unités de production d’électricité à partir de ressources renouvelables, en particulier le solaire, l'éolien et le stockage.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
21	Revergy	Exact match	Seville, SpainHQ recorded Sep 21, 2026	501-1,000	502 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 · Sep 21, 2026 · View company records in RevenueBase
22	Natural Power	Exact match	Castle Douglas, United KingdomHQ recorded Sep 21, 2026	501-1,000	500 contacts →
	Exact match “Natural Power is a leading independent consultancy and service provider for the renewable energy sector.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
23	Elera Renováveis	Exact match	São Paulo, BrazilHQ recorded Sep 21, 2026	501-1,000	495 contacts →
	Exact match “Nossa energia vem do sol, do vento e da água.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
24	Amara Nzero Brasil	Exact match	Salvador, BrazilHQ recorded Sep 21, 2026	501-1,000	493 contacts →
	Exact match “Somos uma empresa com uma grande experiência integral em energia sustentável fortemente comprometida com a Transição Energética.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
25	Mitcon Consultancy And Engineering Services LTD	Exact match	Pune, IndiaHQ recorded Sep 21, 2026	201-500	486 contacts →
	Exact match “MITCON Consultancy & Engineering Services Limited, an ISO 9001:2015 certified company & NSE listed company, was established in 1982.” Recorded in the RevenueBase company graph · Sep 21, 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 “consulting renewable energy companies”. 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 20,070 consulting renewable energy companies worldwide

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Consulting renewable energy companies worldwide at a glance

As of Sep 21, 2026

26.2%Verified-email coverage

9.0Average contacts per company

1-10Median size (employees)

1.1%Largest-city concentration · London

Sep 21, 2026Page data refreshed

Companies by employee count

1-10

12,126

11-50

6,022

51-200

1,382

201-500

289

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 consulting renewable energy companies are linked below.
What qualifies: Company records worldwide whose business descriptions match “consulting renewable energy companies” 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 47,362 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 21, 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.

Consulting renewable energy companies by location

87 lists · largest first

Every Consulting renewable energy companies 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 “consulting renewable energy companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many consulting renewable energy companies are there worldwide?

RevenueBase identified 20,070 company matches for consulting renewable energy companies worldwide 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?

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

Which country has the most consulting renewable energy companies?

The United States leads with 1,908 companies, followed by Brazil (1,279) and Germany (1,193). Every consulting renewable energy companies list by country and city is linked on this page.

Which city has the most consulting renewable energy companies?

London leads with 229 company records, followed by Madrid (211) and Paris (142).

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 47,362 professional contacts with verified work emails tracked across these 20,070 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 21, 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.