Company lists · Data refreshed September 2026

Top 25 Climate policy consultancies worldwide

Name: Climate policy consultancies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 27, 2026 8,810 companies tracked

RevenueBase identified 8,810 company matches for climate policy consultancies worldwide as of September 2026 and tracks 88,322 professional contacts across them, including 31,472 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for climate policy consultancies 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 27, 2026. Country and city lists for climate policy consultancies 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 27, 2026 How this list was built

8,810Companies

88,322Contacts tracked

31,472Verified emails

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest climate policy consultancies worldwide

Ranked by team size

Top 25 of 8,810 company matches for climate policy consultancies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 27, 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	Engie Solutions France	Exact match	La Garenne-colombes, FranceHQ recorded Sep 27, 2026	10001+	12,011 contacts →
	Exact match “Les activités Infrastructures Energétiques Locales d’ENGIE accompagnent les collectivités, les industries et le secteur du bâtiment sur la voie de la décarbonation.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
2	ERM	Exact match	London, United KingdomHQ recorded Sep 27, 2026	5,001-10,000	9,119 contacts →
	Exact match “Sustainability is our business.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
3	SLR Consulting	Exact match	London, United KingdomHQ recorded Sep 27, 2026	1,001-5,000	3,848 contacts →
	Exact match “SLR is a committed partner in our clients’ sustainability journeys.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
4	Anthesis Group	Exact match	London, United KingdomHQ recorded Sep 27, 2026	1,001-5,000	894 contacts →
	Exact match “Anthesis guides clients to sustainable performance.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
5	South Pole	Exact match	Zurich, SwitzerlandHQ recorded Sep 27, 2026	501-1,000	811 contacts →
	Exact match “South Pole is the world's leading carbon asset developer and climate consultancy.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
6	E CO	Exact match	London, United KingdomHQ recorded Sep 27, 2026	n/a	621 contacts →
	Exact match “For over 26 years, our consultants have been supporting and guiding our clients to achieve low-carbon climate-resilient development.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
7	German Energy Agency Dena	Exact match	Berlin, GermanyHQ recorded Sep 27, 2026	501-1,000	500 contacts →
	Exact match “dena is a centre of excellence for the applied energy transition and climate protection.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
8	SIPL	Exact match	Noida, IndiaHQ recorded Sep 27, 2026	n/a	400 contacts →
	Exact match “SIPL Pvt Ltd is an established and reputed firm in the Sustainable domain since 2008.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
9	Greenflex	Exact match	Paris, FranceHQ recorded Sep 27, 2026	501-1,000	390 contacts →
	Exact match “Since 2009, GreenFlex has been a key partner in the energy, environmental and societal transformation of organizations, enabling them to change their trajectory towards an economy…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
10	TRIO	Exact match	Irvine, CA, United StatesHQ recorded Sep 27, 2026	201-500	383 contacts →
	Exact match “We are Trio – built from Edison Energy, Alfa Energy, and Altenex Energy.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
11	EMM Consulting PTY Limited	Exact match	St Leonards, AustraliaHQ recorded Sep 27, 2026	201-500	361 contacts →
	Exact match “At EMM, we believe that a sustainable future is achievable, and we are dedicated to helping our clients and the community make it a reality.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
12	Umwelt Environmental & Social Consultants	Exact match	Teralba, AustraliaHQ recorded Sep 27, 2026	201-500	329 contacts →
	Exact match “Umwelt has been trusted by clients and communities for over 30 years.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
13	Quantis	Exact match	Lausanne, SwitzerlandHQ recorded Sep 27, 2026	201-500	325 contacts →
	Exact match “Quantis, part of BCG, is a sustainability consulting firm that helps organizations translate sustainability ambition into measurable business value.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
14	3degrees Group, INC	Exact match	San Francisco, CA, United StatesHQ recorded Sep 27, 2026	201-500	324 contacts →
	Exact match “3Degrees is a leading global climate solutions provider, pioneer of environmental markets, and Certified B Corporation.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
15	EIC Partnership	Exact match	Redditch, United KingdomHQ recorded Sep 27, 2026	51-200	316 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 · Sep 27, 2026 · View company records in RevenueBase
16	Climate Policy Initiative	Exact match	San Francisco, CA, United StatesHQ recorded Sep 27, 2026	51-200	288 contacts →
	Exact match “CPI is an analysis and advisory organization with deep expertise in finance and policy.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
17	Eodd Ingénieurs Conseils	Exact match	Villeurbanne, FranceHQ recorded Sep 27, 2026	201-500	278 contacts →
	Exact match “Créé en 1991, reconnu comme l’un des meilleurs cabinets français spécialiste de la transformation écologique, EODD ingénieurs conseils apporte sa vision transversale et ses…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
18	Adelphi	Exact match	Berlin, GermanyHQ recorded Sep 27, 2026	201-500	269 contacts →
	Exact match “adelphi consult is a leading independent consultancy specialising in climate, environment and development.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
19	Wardell Armstrong LLP NOW SLR	Exact match	Birmingham, United KingdomHQ recorded Sep 27, 2026	501-1,000	253 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
20	Grupo Partnership	Exact match	Rio De Janeiro, BrazilHQ recorded Sep 27, 2026	1,001-5,000	244 contacts →
	Exact match “Com uma força propulsora de inovação, nos dedicamos a criar e aplicar soluções que elevam o padrão de nossos serviços no mercado.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
21	Valora Consultores	Exact match	Madrid, United KingdomHQ recorded Sep 27, 2026	51-200	241 contacts →
	Exact match “VALORA is a consulting company who focus its activity towards a new professional innovative and thrilling challenge.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
22	Econservation Estudos E Projetos Ambientais	Exact match	Vitória, BrazilHQ recorded Sep 27, 2026	51-200	230 contacts →
	Exact match “A Econservation foi fundada com o propósito de prestação de serviços de Consultoria Especializada, com foco na harmonização dos objetivos e metas de seus clientes com o…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
23	Waycarbon	Exact match	Belo Horizonte, BrazilHQ recorded Sep 27, 2026	201-500	221 contacts →
	Exact match “WayCarbon is a global company specialized in solutions focused on the transition to a net-zero economy.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
24	Nepsen	Exact match	Vincennes, FranceHQ recorded Sep 27, 2026	51-200	220 contacts →
	Exact match “NEPSEN est un bureau d'études indépendant, spécialisé dans les métiers de la transition énergétique & écologique depuis 40 ans.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
25	Global Factor	Exact match	Bilbao, SpainHQ recorded Sep 27, 2026	201-500	218 contacts →
	Exact match “In Global Factor we started to provide professional services on the subject of climate change in the year 2004, prior to the ratification of the Kyoto Protocol or the…” Recorded in the RevenueBase company graph · Sep 27, 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 “climate policy consultancies”. 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 8,810 climate policy consultancies worldwide

See the full list, filter by size, metro and specialty, and access 31,472 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Climate policy consultancies worldwide at a glance

As of Sep 27, 2026

35.6%Verified-email coverage

10.0Average contacts per company

1-10Median size (employees)

3.6%Largest-city concentration · London

Sep 27, 2026Page data refreshed

Companies by employee count

1-10

6,660

11-50

1,756

51-200

297

201-500

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 climate policy consultancies are linked below.
What qualifies: Company records worldwide whose business descriptions match “climate policy consultancies” 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 31,472 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 27, 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.

Climate policy consultancies by location

48 lists · largest first

Every Climate policy consultancies 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 “climate policy consultancies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many climate policy consultancies are there worldwide?

RevenueBase identified 8,810 company matches for climate policy consultancies 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?

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

Which country has the most climate policy consultancies?

The United States leads with 835 companies, followed by the United Kingdom (799) and Brazil (584). Every climate policy consultancies list by country and city is linked on this page.

Which city has the most climate policy consultancies?

London leads with 316 company records, followed by Paris (138) and Sao Paulo (116).

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 31,472 professional contacts with verified work emails tracked across these 8,810 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 27, 2026.

Ready to reach these companies? Verified emails and direct dials for all 8,810 climate policy consultancies worldwide. Start with a free account, no credit card.

Download this list →

Related lists

Browse the directory

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.