Company lists · Data refreshed November 2026

Top 25 Clean energy policy consultants worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 1,920 companies tracked

RevenueBase identified 1,920 company matches for clean energy policy consultants worldwide as of November 2026 and tracks 17,228 professional contacts across them, including 5,671 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for clean energy policy 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 clean energy policy 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

1,920Companies

17,228Contacts tracked

5,671Verified emails

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The 25 largest clean energy policy consultants worldwide

Ranked by team size

Top 25 of 1,920 company matches for clean energy policy 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	RMI	Exact match	Boulder, CO, United StatesHQ recorded Nov 6, 2026	501-1,000	872 contacts →
	Exact match “Rocky Mountain Institute (RMI) is an independent, nonpartisan nonprofit founded in 1982 that transforms global energy systems through market-driven solutions to secure a…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	Kapsarc	Exact match	Riyadh, Saudi ArabiaHQ recorded Nov 6, 2026	51-200	533 contacts →
	Exact match “King Abdullah Petroleum Studies and Research Center (KAPSARC) is an advisory think tank within global energy economics and sustainability providing services to entities and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	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
4	Climate Policy Initiative	Exact match	San Francisco, United StatesHQ recorded Nov 6, 2026	51-200	306 contacts →
	Exact match “CPI is an analysis and advisory organization with deep expertise in finance and policy.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	Center For Energy And Environment	Exact match	Minneapolis, MN, United StatesHQ recorded Nov 6, 2026	51-200	224 contacts →
	Exact match “CEE is a community-based clean energy nonprofit with special expertise in energy efficiency that stretches back 40 years.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	PEG	Exact match	Fairfax, VA, United StatesHQ recorded Nov 6, 2026	201-500	223 contacts →
	Exact match “PEG presents a comprehensive capacity for the evaluation and understanding of a broad base of energy and environmental sustainability related programs, policies and initiatives.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Nexant	Exact match	Half Moon Bay, CA, United StatesHQ recorded Nov 6, 2026	201-500	194 contacts →
	Exact match “Resource Innovations now combined with Nexant is a substantially woman-owned, woman-led energy consulting firm dedicated to creating equal access to clean resources through…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	Sunkonnect PTE LTD	Exact match	SingaporeHQ recorded Nov 6, 2026	201-500	183 contacts →
	Exact match “Sunkonnect is a leading energy transition and renewable energy consulting company delivering end-to-end engineering, quality assurance, project management consultancy, and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	MAI Group	Exact match	Madrid, SpainHQ recorded Nov 6, 2026	51-200	175 contacts →
	Exact match “MAI has been in international consultancy for over 25 years driving energy and environmental project around the world, helping to design and plan reliable supply systems based on…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Energy And Environmental Economics, INC	Exact match	San Francisco, AB, United StatesHQ recorded Nov 6, 2026	51-200	167 contacts →
	Exact match “Energy.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	FFE	Exact match	Munich, GermanyHQ recorded Nov 6, 2026	51-200	108 contacts →
	Exact match “We empower people to shape a sustainable energy system.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Everoze	Exact match	Bristol, United KingdomHQ recorded Nov 6, 2026	51-200	106 contacts →
	Exact match “Everoze is an employee-owned renewables, green hydrogen and storage consultancy.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Grupo Trebol Energia	Exact match	Sant Joan Despi, SpainHQ recorded Nov 6, 2026	51-200	100 contacts →
	Exact match “We are one of the leading energy business consultancies in Spain.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	EMBER	Exact match	London, United KingdomHQ recorded Nov 6, 2026	51-200	97 contacts →
	Exact match “Global energy think tank accelerating the clean energy transition with data and policy” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Enerdata	Exact match	Grenoble, FranceHQ recorded Nov 6, 2026	51-200	95 contacts →
	Exact match “Enerdata is an independent research company that specialises in the analysis and forecasting of energy and climate issues.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Pure Energy	Exact match	Düsseldorf, GermanyHQ recorded Nov 6, 2026	51-200	95 contacts →
	Exact match “Pure Energy is a private clean-tech organization focusing on commercial optimization of renewable & BESS assets, energy trading, origination, and "hands-on" advisory services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Regulatory Assistance Project RAP	Exact match	Montpelier, United StatesHQ recorded Nov 6, 2026	11-50	94 contacts →
	Exact match “The Regulatory Assistance Project (RAP)® is an independent, non-partisan, non-governmental organization dedicated to accelerating the transition to a clean, reliable, and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	The American Council For An Energy-Efficient Economy Aceee	Exact match	Washington, DC, United StatesHQ recorded Nov 6, 2026	51-200	94 contacts →
	Exact match “The American Council for an Energy-Efficient Economy a nonprofit research organization, develops policies to reduce energy waste and combat climate change.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Climate Power	Exact match	United StatesHQ recorded Nov 6, 2026	11-50	92 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Institute For Energy Economics And Financial Analysis Ieefa	Exact match	Valley City, OH, United StatesHQ recorded Nov 6, 2026	51-200	87 contacts →
	Exact match “The Institute for Energy Economics and Financial Analysis (IEEFA) is a global think tank examining issues related to energy markets, trends, and policies.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Global Energy Monitor	Exact match	United StatesHQ recorded Nov 6, 2026	51-200	82 contacts →
	Exact match “Global Energy Monitor studies the evolving international energy landscape, creating databases, reports, and interactive tools that enhance understanding in support of the…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Alliance For An Energy Efficient Economy Aeee	Exact match	New Delhi, IndiaHQ recorded Nov 6, 2026	51-200	81 contacts →
	Exact match “Alliance for an Energy Efficient Economy is one of the leading organizations in India dedicated to advancing energy efficiency through data-driven and evidence-based policies and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Dunsky Energy Climate Advisors	Exact match	Montreal, ON, CanadaHQ recorded Nov 6, 2026	51-200	76 contacts →
	Exact match “DUNSKY ENERGY + CLIMATE ADVISORS provides top-level research, analysis and strategic counsel in support of our clients’ clean energy and climate goals, with a focus on buildings…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	New-E	Exact match	Lyon, FranceHQ recorded Nov 6, 2026	51-200	73 contacts →
	Exact match “New-e, c'est la société de conseil opérationnel, spécialiste des métiers de la transition durable!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	The Lantau Group	Exact match	Throughout Apac, United StatesHQ recorded Nov 6, 2026	51-200	72 contacts →
	Exact match “The Lantau Group is a both a long-established and continuously pioneering APAC energy economics and analytics consultancy and advisory firm focused on electricity and gas markets…” 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 “clean energy policy 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 1,920 clean energy policy consultants worldwide

See the full list, filter by size, metro and specialty, and access 5,671 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Clean energy policy consultants worldwide at a glance

As of Nov 6, 2026

32.9%Verified-email coverage

9.0Average contacts per company

1-10Median size (employees)

2.3%Largest-city concentration · London

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

1,344

11-50

466

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

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 clean energy policy consultants are linked below.
What qualifies: Company records worldwide whose business descriptions match “clean energy policy 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 5,671 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.

Clean energy policy consultants by location

88 lists · largest first

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

How many clean energy policy consultants are there worldwide?

RevenueBase identified 1,920 company matches for clean energy policy 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?

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

Which country has the most clean energy policy consultants?

The United States leads with 384 companies, followed by Türkiye (288) and Chile (249). Every clean energy policy consultants list by country and city is linked on this page.

Which city has the most clean energy policy consultants?

London leads with 44 company records, followed by Washington (31) and Paris (21).

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 5,671 professional contacts with verified work emails tracked across these 1,920 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.