Company lists · Data refreshed October 2026

Top 23 Clean energy transition consultants based in New York, United States

RevenueBase identified 82 company matches for clean energy transition consultants associated with New York, United States as of October 2026 and tracks 775 professional contacts across them, including 419 with verified work emails. Across the United States, Houston is the largest hub for this category (106 companies); New York follows with 82.

This list covers company matches for clean energy transition consultants 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 October 9, 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 Oct 9, 2026 How this list was built
82Companies
775Contacts tracked
419Verified emails
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The 23 largest clean energy transition consultants based in New York, United States

Ranked by team size
Top 23 of 82 company matches for clean energy transition consultants based in New York, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 9, 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 Oct 9, 202651-200118 contacts →

Exact match

“Environ Energy is a leader in accelerating global sustainable energy transformation for more than 30 years.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
2Exact matchNew York, NY, United StatesHQ recorded Oct 9, 202651-20097 contacts →

Exact match

“Euclid Power is comprised of a team of industry-leading veterans within renewable energy project development, diligence, finance, and execution with over 10GW of PV and 5GWh of…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
3Exact matchNew York, NY, United StatesHQ recorded Oct 9, 202611-5066 contacts →

Exact match

“CRC-IB is a full-service investment bank providing industry-leading financial services across the energy transition.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
4Exact matchNew York, NY, United StatesHQ recorded Oct 9, 202651-20060 contacts →

Exact match

“Onyx Renewables is a leading provider of predictable, affordable clean energy solutions nationwide.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
5Exact matchNew York, NY, United StatesHQ recorded Oct 9, 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 · Oct 9, 2026 · View company records in RevenueBase
6Exact matchNew York, NY, United StatesHQ recorded Oct 9, 202611-5022 contacts →

Exact match

“Demand for affordable, reliable and lower-carbon energy will continue to grow, fueled by our expanding population, the rising global middle class and energy-intensive industries…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
7Exact matchNew York, NY, United StatesHQ recorded Oct 9, 202611-5016 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
8Exact matchNew York, United StatesHQ recorded Oct 9, 202611-5016 contacts →

Exact match

“SOLO is a sustainable energy service company specializing in energy efficiency, electrification, and renewable solutions.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
9Exact matchNew York, NY, United StatesHQ recorded Oct 9, 20261-1015 contacts →

Exact match

“Sunlight Energy Group works with companies to lower costs by developing powerful energy management plans that reduce usage, secure the best rates, and leverage emerging…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
10Exact matchNew York, NY, United StatesHQ recorded Oct 9, 202611-5014 contacts →

Exact match

“Founded in 2017, Javelin Capital is a boutique investment banking firm for companies in the renewable energy, energy storage and green chemistry sectors.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
11Exact matchNew York, NY, United StatesHQ recorded Oct 9, 202611-507 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 · Oct 9, 2026 · View company records in RevenueBase
12Exact matchNew York, NY, United StatesHQ recorded Oct 9, 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 · Oct 9, 2026 · View company records in RevenueBase
13Exact matchNew York, United StatesHQ recorded Oct 9, 20261-104 contacts →

Exact match

“Efficiti is an energy and engineering consulting company in New York City that provides custom paths for your buildings to save energy costs, reduce emissions and comply with…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
14Exact matchNew York, NY, United StatesHQ recorded Oct 9, 20261-104 contacts →

Exact match

“Solar Collective plans, builds and finances clean energy projects.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
15Exact matchNew York, United StatesHQ recorded Oct 9, 20261-104 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 · Oct 9, 2026 · View company records in RevenueBase
16Exact matchNew York, United StatesHQ recorded Oct 9, 20261-104 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 · Oct 9, 2026 · View company records in RevenueBase
17Exact matchNew York, NY, United StatesHQ recorded Oct 9, 20261-104 contacts →

Exact match

“A mission-driven project financing and advisory firm dedicated to accelerating the development of a low-carbon economy through innovative financing tools.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
18Exact matchNew York, United StatesHQ recorded Oct 9, 20261-103 contacts →

Exact match

“Global Power Partners was founded in 2015 to offer high-level investment banking services to participants in the global renewable energy and clean technology.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
19Exact matchNew York, NY, United StatesHQ recorded Oct 9, 20261-103 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 · Oct 9, 2026 · View company records in RevenueBase
20Exact matchNew York, NY, United StatesHQ recorded Oct 9, 202611-503 contacts →

Exact match

“Reducing energy costs and carbon emissions for businesses through the widest range of solutions in the industry with decades of expertise and advanced technologies.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
21Exact matchNew York, NY, United StatesHQ recorded Oct 9, 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 · Oct 9, 2026 · View company records in RevenueBase
22Exact matchNew York, NY, United StatesHQ recorded Oct 9, 20261-103 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
23Exact matchNew York, NY, United StatesHQ recorded Oct 9, 20261-103 contacts →

Exact match

“Indigo works with utilities and energy companies to deliver market leading strategy, technology and innovation services.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase

Showing 23 of 82 clean energy transition consultants based in New York, United States

See the full list, filter by size, metro and specialty, and access 419 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Clean energy transition consultants based in New York, United States at a glance

As of Oct 9, 2026
54.1%Verified-email coverage
9.5Average contacts per company
1-10Median size (employees)
Oct 9, 2026Page data refreshed

Companies by employee count

1-10
55
11-50
22
51-200
5

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 82 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 “clean energy transition 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. 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 419 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 9, 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 “clean energy transition consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many clean energy transition consultants are there based in New York, United States?

RevenueBase identified 82 company matches for clean energy transition consultants associated with New York, United States 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?

Environ Energy 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 clean energy transition consultants?

Houston leads the United States with 106 company records, followed by New York (82) and Washington (63).

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 419 professional contacts with verified work emails tracked across these 82 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 9, 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.