Company lists · Data refreshed October 2026

Top 25 Renewable energy consultancy companies worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Oct 1, 2026 32,691 companies tracked

RevenueBase identified 32,691 company matches for renewable energy consultancy companies worldwide as of October 2026 and tracks 398,461 professional contacts across them, including 108,478 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for renewable energy consultancy 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 October 1, 2026. Country and city lists for renewable energy consultancy 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 Oct 1, 2026 How this list was built

32,691Companies

398,461Contacts tracked

108,478Verified emails

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The 25 largest renewable energy consultancy companies worldwide

Ranked by team size

Top 25 of 32,691 company matches for renewable energy consultancy companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 1, 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	Worley	Exact match	Sydney, AustraliaHQ recorded Oct 1, 2026	10001+	34,763 contacts →
	Exact match “Worley is a global professional services company of energy, chemicals and resources experts headquartered in Australia.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
2	Dalkia	Exact match	Saint-andré-lez-lille, FranceHQ recorded Oct 1, 2026	10001+	8,427 contacts →
	Exact match “Dalkia : ensemble, relevons le défi climatique!” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
3	Ørsted	Exact match	Fredericia, United StatesHQ recorded Oct 1, 2026	5,001-10,000	7,538 contacts →
	Exact match “Ørsted is the global leader in offshore wind power and is one of the largest renewable energy companies in the world.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
4	EDP	Exact match	Lisbon, PortugalHQ recorded Oct 1, 2026	10001+	6,435 contacts →
	Exact match “Our story began 50 years ago.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
5	Adani Green Energy LTD	Exact match	United StatesHQ recorded Oct 1, 2026	1,001-5,000	3,017 contacts →
	Exact match “Adani Green Energy Limited (AGEL) is India’s largest renewable energy company playing a vital role in enabling the clean energy transition.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
6	FTI	Exact match	Menasha, WI, United StatesHQ recorded Oct 1, 2026	1,001-5,000	2,741 contacts →
	Exact match “Faith Technologies Incorporated (FTI) is a dynamic organization comprised of construction, engineering, manufacturing and renewable energy experts.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
7	Waaree Group	Exact match	Mumbai, IndiaHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
8	Semco Maritime	Exact match	Esbjerg, DenmarkHQ recorded Oct 1, 2026	1,001-5,000	1,947 contacts →
	Exact match “To fulfil the vision of a fossil-free future, we need conventional and renewable energy sources to coexist effectively until the day when renewables can fully keep the world…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
9	Westwood Professional Services	Exact match	Plano, TX, United StatesHQ recorded Oct 1, 2026	1,001-5,000	1,661 contacts →
	Exact match “At Westwood, our purpose is to create a better world for people through our work.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
10	Vulcain Engineering Group	Exact match	Neuilly-sur-seine, FranceHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
11	Voltalia	Exact match	Paris, FranceHQ recorded Oct 1, 2026	1,001-5,000	1,436 contacts →
	Exact match “Voltalia is an international player in renewable energies.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
12	Partner Engineering & Science, INC	Exact match	Torrance, CA, United StatesHQ recorded Oct 1, 2026	1,001-5,000	1,358 contacts →
	Exact match “Partner Assessment Corp.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
13	Fichtner	Exact match	Stuttgart, GermanyHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
14	SAEL	Exact match	New Delhi, IndiaHQ recorded Oct 1, 2026	1,001-5,000	1,212 contacts →
	Exact match “SAEL Industries Limited, is a leading Indian renewable energy company specializing in solar and waste-to-energy projects, committed to fostering green assets that contribute to…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
15	Auren Energia	Exact match	Sao Paulo, BrazilHQ recorded Oct 1, 2026	1,001-5,000	1,095 contacts →
	Exact match “Auren Energia (AURE3) is Brazil's third largest energy producer and a leading energy trader in the Brazilian market, specializing in 100% renewable energy.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
16	Barr Engineering CO	Exact match	Minneapolis, MN, United StatesHQ recorded Oct 1, 2026	1,001-5,000	1,088 contacts →
	Exact match “Barr provides engineering and environmental consulting services to clients across the Midwest, throughout the Americas, and around the world.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
17	Penspen	Exact match	London, United KingdomHQ recorded Oct 1, 2026	1,001-5,000	1,007 contacts →
	Exact match “Penspen designs, maintains, and optimises energy infrastructure to improve access to secure and sustainable energy for communities worldwide.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
18	CTG Brasil	Exact match	Sao Paulo, BrazilHQ recorded Oct 1, 2026	501-1,000	988 contacts →
	Exact match “Na CTG Brasil, trabalhamos por um único propósito: desenvolver o mundo com energia limpa em larga escala.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
19	Inox Wind LTD	Exact match	Noida, IndiaHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
20	Wanzek Construction, Inc., A Mastec Company	Exact match	Fargo, ND, United StatesHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
21	Willdan	Exact match	Anaheim, CA, United StatesHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
22	ABO Energy	Exact match	Wiesbaden, GermanyHQ recorded Oct 1, 2026	1,001-5,000	785 contacts →
	Exact match “Founded in 1996, ABO Energy (fomerly known as ABO Wind) is among Europe’s leading developers of renewable energy projects.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
23	Juwi Group	Exact match	Wörrstadt, GermanyHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
24	Monenco Iran Consulting Engineers	Exact match	Tehran, IranHQ recorded Oct 1, 2026	1,001-5,000	785 contacts →
	Exact match “Monenco Iran was formed in 1973 as a joint venture between the private sector of Iran and Montreal Engineering Company of Canada.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
25	NWG S.P.A	Exact match	Prato, ItalyHQ recorded Oct 1, 2026	n/a	766 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 · Oct 1, 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 “renewable energy consultancy 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 32,691 renewable energy consultancy companies worldwide

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Renewable energy consultancy companies worldwide at a glance

As of Oct 1, 2026

27.2%Verified-email coverage

12.2Average contacts per company

1-10Median size (employees)

1.3%Largest-city concentration · London

Oct 1, 2026Page data refreshed

Companies by employee count

1-10

19,152

11-50

10,031

51-200

2,451

201-500

560

501-1,000

177

1,001-5,000

134

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 renewable energy consultancy companies are linked below.
What qualifies: Company records worldwide whose business descriptions match “renewable energy consultancy 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 108,478 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 1, 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.

Renewable energy consultancy companies by location

159 lists · largest first

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

How many renewable energy consultancy companies are there worldwide?

RevenueBase identified 32,691 company matches for renewable energy consultancy companies 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?

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

Which country has the most renewable energy consultancy companies?

The United States leads with 2,669 companies, followed by the United Kingdom (2,362) and Brazil (2,139). Every renewable energy consultancy companies list by country and city is linked on this page.

Which city has the most renewable energy consultancy companies?

London leads with 424 company records, followed by Madrid (311) and Sao Paulo (251).

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 108,478 professional contacts with verified work emails tracked across these 32,691 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 1, 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.