Company lists · Data refreshed October 2026

Top 25 Energy regulatory consultants worldwide

Name: Energy regulatory consultants worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 12, 2026 10,624 companies tracked

RevenueBase identified 10,624 company matches for energy regulatory consultants worldwide as of October 2026 and tracks 81,847 professional contacts across them, including 24,491 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for energy regulatory 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 October 12, 2026. Country and city lists for energy regulatory 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 Oct 12, 2026 How this list was built

10,624Companies

81,847Contacts tracked

24,491Verified emails

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The 25 largest energy regulatory consultants worldwide

Ranked by team size

Top 25 of 10,624 company matches for energy regulatory consultants worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 12, 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	Steag Energy Services India Pvt. LTD	Exact match	Noida, IndiaHQ recorded Oct 12, 2026	1,001-5,000	1,639 contacts →
	Exact match “STEAG Energy Services India, established in 2001 as a wholly owned subsidiary of STEAG GmbH, Germany, is now part of the Bluspring Enterprises Limited, India’s integrated…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
2	Willdan	Exact match	Anaheim, CA, United StatesHQ recorded Oct 12, 2026	1,001-5,000	872 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 12, 2026 · View company records in RevenueBase
3	Electric Power Engineers	Exact match	Austin, TX, United StatesHQ recorded Oct 12, 2026	501-1,000	678 contacts →
	Exact match “Electric Power Engineers (EPE) is a global advisory and engineering firm advancing grid reliability, resilience, flexibility, and affordability.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
4	Revergy	Exact match	Seville, SpainHQ recorded Oct 12, 2026	501-1,000	538 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 · Oct 12, 2026 · View company records in RevenueBase
5	Fichtner Consulting Engineers LTD	Exact match	Stockport, United KingdomHQ recorded Oct 12, 2026	51-200	427 contacts →
	Exact match “Fichtner is one of the world's leading independent engineering consultancy firms.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
6	Enertis Applus	Exact match	Madrid, SpainHQ recorded Oct 12, 2026	201-500	398 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 · Oct 12, 2026 · View company records in RevenueBase
7	TRIO	Exact match	Irvine, CA, United StatesHQ recorded Oct 12, 2026	201-500	387 contacts →
	Exact match “We are Trio – global energy and sustainability advisors.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
8	P2s	Exact match	Long Beach, CA, United StatesHQ recorded Oct 12, 2026	201-500	381 contacts →
	Exact match “P2S has brought forward-thinking, sustainable engineering solutions to California, the Pacific Northwest, and beyond, for over 30 years.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
9	AESA	Exact match	Barcelona, SpainHQ recorded Oct 12, 2026	n/a	376 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 · Oct 12, 2026 · View company records in RevenueBase
10	NUS Consulting Group	Exact match	Park Ridge, NJ, United StatesHQ recorded Oct 12, 2026	201-500	360 contacts →
	Exact match “National Utility Service, Inc.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
11	Customized Energy Solutions	Exact match	Philadelphia, PA, United StatesHQ recorded Oct 12, 2026	201-500	345 contacts →
	Exact match “Customized Energy Solutions is at the forefront of competitive energy markets.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
12	Commonwealth Associates, INC	Exact match	Jackson, MI, United StatesHQ recorded Oct 12, 2026	201-500	342 contacts →
	Exact match “We provide expert engineering and consulting services that enable a more reliable and resilient power system.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
13	ETP CC	Exact match	AustraliaHQ recorded Oct 12, 2026	n/a	324 contacts →
	Exact match “Management Consulting in the Energy Sector” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
14	Manergy	Exact match	Créteil, FranceHQ recorded Oct 12, 2026	501-1,000	317 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 · Oct 12, 2026 · View company records in RevenueBase
15	Deode Energia	Exact match	Juiz De Fora, BrazilHQ recorded Oct 12, 2026	201-500	313 contacts →
	Exact match “A DEODE Energia foi fundada em 2012 proveniente da HF Energy.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
16	Cascade Energy	Exact match	Portland, OR, United StatesHQ recorded Oct 12, 2026	201-500	301 contacts →
	Exact match “At Cascade Energy, we believe in better.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
17	Merjent	Exact match	Minneapolis, MN, United StatesHQ recorded Oct 12, 2026	201-500	297 contacts →
	Exact match “Merjent is an environmental, restoration, and engineering consulting firm with a long history serving the energy industry.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
18	PSC Consulting	Exact match	Kirkland, WA, United StatesHQ recorded Oct 12, 2026	201-500	281 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 · Oct 12, 2026 · View company records in RevenueBase
19	Resonance Energy Private Limited	Exact match	IndiaHQ recorded Oct 12, 2026	501-1,000	277 contacts →
	Exact match “Global gas and power markets are expanding fast and becoming increasingly integrated and complex - and the need for market intelligence and informed advice based on deep industry…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
20	Sólida	Exact match	Madrid, SpainHQ recorded Oct 12, 2026	201-500	273 contacts →
	Exact match “SÓLIDA, a Bureau Veritas Company, is an independent company founded in 2007 that provides high added-value engineering and consulting services within the renewable energy sector.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
21	Nieuwestroom	Exact match	Maastricht, NetherlandsHQ recorded Oct 12, 2026	201-500	260 contacts →
	Exact match “Als gids in de complexe energiemarkt wijst NieuweStroom je de weg naar winst.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
22	Electrical Reliability Services, INC	Exact match	Westerville, OH, United StatesHQ recorded Oct 12, 2026	201-500	258 contacts →
	Exact match “In business since 1971, Electrical Reliability Services, Inc.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
23	Ecointegral Ingeniería, SL	Exact match	Córdoba, SpainHQ recorded Oct 12, 2026	201-500	255 contacts →
	Exact match “ECOINTEGRAL INGENIERÍA is an independent company of advanced engineering and consulting firm that operates in 3 areas of expertise: Energy, Telecommunications and Environment.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
24	Medhaj Techno Concept Pvt. LTD	Exact match	IndiaHQ recorded Oct 12, 2026	51-200	253 contacts →
	Exact match “Medhaj Techno Concept Pvt.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
25	Kleinschmidt Associates	Exact match	Pittsfield, ME, United StatesHQ recorded Oct 12, 2026	201-500	236 contacts →
	Exact match “At Kleinschmidt, we work primarily with energy companies and government agencies in North America to protect and enhance the environment without compromising performance.” Recorded in the RevenueBase company graph · Oct 12, 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 “energy regulatory 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 10,624 energy regulatory consultants worldwide

See the full list, filter by size, metro and specialty, and access 24,491 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Energy regulatory consultants worldwide at a glance

As of Oct 12, 2026

29.9%Verified-email coverage

7.7Average contacts per company

1-10Median size (employees)

1.1%Largest-city concentration · London

Oct 12, 2026Page data refreshed

Companies by employee count

1-10

7,229

11-50

2,697

51-200

520

201-500

501-1,000

1,001-5,000

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 energy regulatory consultants are linked below.
What qualifies: Company records worldwide whose business descriptions match “energy regulatory 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 24,491 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 12, 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.

Energy regulatory consultants by location

54 lists · largest first

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

How many energy regulatory consultants are there worldwide?

RevenueBase identified 10,624 company matches for energy regulatory consultants 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?

Steag Energy Services India Pvt. LTD tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most energy regulatory consultants?

The United States leads with 1,693 companies, followed by France (770) and Germany (699). Every energy regulatory consultants list by country and city is linked on this page.

Which city has the most energy regulatory consultants?

London leads with 121 company records, followed by Madrid (120) and Paris (114).

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 24,491 professional contacts with verified work emails tracked across these 10,624 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 12, 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.