Company lists · Data refreshed September 2026

Top 23 Climate policy consulting firms based in New York, United States

RevenueBase identified 65 company matches for climate policy consulting firms associated with New York, United States as of September 2026 and tracks 627 professional contacts across them, including 183 with verified work emails. Across the United States, Washington is the largest hub for this category (87 companies); New York follows with 65.

This list covers company matches for climate policy consulting firms associated with New York, United States, 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.

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
65Companies
627Contacts tracked
183Verified emails
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The 23 largest climate policy consulting firms based in New York, United States

Ranked by team size
Top 23 of 65 company matches for climate policy consulting firms based in New York, United States, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchNew York, NY, United StatesHQ recorded Sep 27, 202611-50133 contacts →

Exact match

“At OnePointFive we solve your sustainability focused business challenges by empowering your organization with expert-led solutions, embedded training, and cutting edge tools to…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
2Exact matchNew York, NY, United StatesHQ recorded Sep 27, 202611-5049 contacts →

Exact match

“Founded in 2011, Energy Infrastructure Partners (EIP) began with a clear premise: utilities, governments, and large energy users need a partner who is as committed to technical…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
3Exact matchNew York, NY, United StatesHQ recorded Sep 27, 202611-5047 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
4Exact matchNew York, NY, United StatesHQ recorded Sep 27, 202611-5032 contacts →

Exact match

“Governance & Accountability Institute is organized as the “Sustainability Headquarters™” for clients in the corporate community and in the investment and financial services sector.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
5Exact matchNew York, NY, United StatesHQ recorded Sep 27, 202611-5019 contacts →

Exact match

“Altanova is a sustainability firm with consulting and engineering capabilities.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
6Exact matchNew York, NY, United StatesHQ recorded Sep 27, 202611-5012 contacts →

Exact match

“Climate Nexus was a strategic communications group dedicated to highlighting the wide-ranging impacts of climate change and clean energy solutions in the United States.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
7Exact matchNew York, NY, United StatesHQ recorded Sep 27, 202651-20010 contacts →

Exact match

“URA is now part of Environ Energy, a leader in accelerating global sustainable energy transformation for more than 30 years.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
8Exact matchNew York, United StatesHQ recorded Sep 27, 202611-508 contacts →

Exact match

“BuzzWord, part of Anthesis, helps companies develop effective sustainability reporting and disclosure strategies, provides guidance on aligning with frameworks and requirements…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
9Exact matchNew York, NY, United StatesHQ recorded Sep 27, 20261-106 contacts →

Exact match

“We are a boutique global sustainability and climate advisory practice with two main focuses: Driving companies to build best-in-class business models within an ESG construct…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
10Exact matchNew York, NY, United StatesHQ recorded Sep 27, 202611-506 contacts →

Exact match

“Azuri is a boutique sustainability consultancy supporting organizations to innovate, build resilience, and create long-term value within planetary and societal boundaries.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
11Exact matchNew York, United StatesHQ recorded Sep 27, 20261-106 contacts →

Exact match

“At MILE we focus on an integrative and collaborative approach towards advisory and business development services.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
12Exact matchNew York, NY, United StatesHQ recorded Sep 27, 20261-105 contacts →

Exact match

“KO2 Consulting provides strategic energy consultant services for government agencies, non- profit organizations and private companies to achieve organizational energy performance…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
13Exact matchNew York, NY, United StatesHQ recorded Sep 27, 202611-505 contacts →

Exact match

“With experience across sectors, we support the development, management, and integration of sustainability and ESG strategies that are relevant and cost-effective.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
14Exact matchNew York, NY, United StatesHQ recorded Sep 27, 20261-105 contacts →

Exact match

“We are trusted advisors and consultants who operate at the intersection of technical, financial, and legal matters for sustainable and resilient infrastructure and built…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
15Exact matchNew York, United StatesHQ recorded Sep 27, 20261-105 contacts →

Exact match

“Redwood is a communications consultancy created to exclusively serve climate tech companies and organizations and expedite the decarbonization of the global economy.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
16Exact matchNew York, NY, United StatesHQ recorded Sep 27, 202651-2004 contacts →

Exact match

“OHD Partners is a business advisory firm focusing on sustainable infrastructure development internationally and sustainable housing finance and development in the United States.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
17Exact matchNew York, NY, United StatesHQ recorded Sep 27, 202611-503 contacts →

Exact match

“BES Group Inc-Beyond Energy Solutions was founded in 2009 in New York State.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
18Exact matchNew York, United StatesHQ recorded Sep 27, 20261-103 contacts →

Exact match

“D.A.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
19Exact matchNew York, NY, United StatesHQ recorded Sep 27, 20261-102 contacts →

Exact match

“We help business leaders surface, quantify, and capture the Value of Values.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
20Exact matchNew York, NY, United StatesHQ recorded Sep 27, 20261-102 contacts →

Exact match

“At NovoSustainability, LLC, we have a holistic view of sustainability encompassing environmental and human factors for a more sustainable workplace and workforce.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
21Exact matchNew York, NY, United StatesHQ recorded Sep 27, 20261-102 contacts →

Exact match

“So-Core is a sustainability advisory firm that helps companies and brands create value-driven strategy by finding profitable and relevant ways to solve social, environmental, and…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
22Exact matchNew York, NY, United StatesHQ recorded Sep 27, 20261-101 contacts →

Exact match

“Planet3 Capital is a financial advisory firm dedicated to advancing decarbonization and the clean energy transition through innovative transactions and financing.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
23Exact matchNew York, United StatesHQ recorded Sep 27, 20261-101 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase

Showing 23 of 65 climate policy consulting firms based in New York, United States

See the full list, filter by size, metro and specialty, and access 183 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Climate policy consulting firms based in New York, United States at a glance

As of Sep 27, 2026
29.2%Verified-email coverage
9.6Average contacts per company
1-10Median size (employees)
Sep 27, 2026Page data refreshed

Companies by employee count

1-10
43
11-50
18
51-200
4

Email recency for this list is measured across the whole United States list rather than for New York, so it is reported there. Company counts and contact totals on this page are exact for New York, over 65 companies.

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.
What qualifies
Company records associated with New York, United States whose business descriptions match “climate policy consulting firms” 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 183 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.

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 consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many climate policy consulting firms are there based in New York, United States?

RevenueBase identified 65 company matches for climate policy consulting firms associated with New York, United States 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?

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

Which city in the United States has the most climate policy consulting firms?

Washington leads the United States with 87 company records, followed by New York (65) and Houston (41).

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 183 professional contacts with verified work emails tracked across these 65 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.

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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.