Company lists · Data refreshed September 2026

Top 25 Sustainable IT consulting firms based in New York, United States

RevenueBase identified 101 company matches for sustainable IT consulting firms associated with New York, United States as of September 2026 and tracks 10,152 professional contacts across them, including 5,812 with verified work emails. Across the United States, New York is the largest hub for this category.

This list covers company matches for sustainable IT 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 14, 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 14, 2026 How this list was built
101Companies
10,152Contacts tracked
5,812Verified emails
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The 25 largest sustainable IT consulting firms based in New York, United States

Ranked by team size
Top 25 of 101 company matches for sustainable IT consulting firms based in New York, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 14, 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 14, 202610001+9,318 contacts →

Exact match

“What if you could shape built and natural environments – and the future of those that use them?”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
2Exact matchNew York, NY, United StatesHQ recorded Sep 14, 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 14, 2026 · View company records in RevenueBase
3Exact matchNew York, NY, United StatesHQ recorded Sep 14, 202651-20098 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 · Sep 14, 2026 · View company records in RevenueBase
4Exact matchNew York, NY, United StatesHQ recorded Sep 14, 202651-20062 contacts →

Exact match

“Welcome to Cognitud, where purpose-driven consulting meets global impact.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
5Exact matchNew York, NY, United StatesHQ recorded Sep 14, 202651-20058 contacts →

Exact match

“a global leader in architecture, planning, and sustainable design”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
6Exact matchNew York, NY, United StatesHQ recorded Sep 14, 202611-5047 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
7Exact matchNew York, NY, United StatesHQ recorded Sep 14, 202611-5026 contacts →

Exact match

“Backed by 30+ years of experience, Great Forest is a leader in sustainable waste management consulting.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
8Exact matchNew York, NY, United StatesHQ recorded Sep 14, 202611-5019 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
9Exact matchNew York, NY, United StatesHQ recorded Sep 14, 202611-5017 contacts →

Exact match

“As the landscape for the entrepreneur continues to become increasingly difficult to navigate through, small business owners need additional tools to compete, grow and be…”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
10Exact matchNew York, NY, United StatesHQ recorded Sep 14, 20261-1012 contacts →

Exact match

“TJBauman, LLC is a NYC sustainable development strategy and communications firm specializing in the market opportunities for advancing positive social impact and regenerative…”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
11Exact matchNew York, NY, United StatesHQ recorded Sep 14, 20261-1010 contacts →

Exact match

“The Bassiouni Group (TBG) is a global consulting firm.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
12Exact matchNew York, NY, United StatesHQ recorded Sep 14, 20261-1010 contacts →

Exact match

“Technology is no longer a set of tools for speed and convenience, but the foundation of a company's success.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
13Exact matchNew York, NY, United StatesHQ recorded Sep 14, 20261-106 contacts →

Exact match

“Network Makers is a full service IT consulting company.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
14Exact matchNew York, NY, United StatesHQ recorded Sep 14, 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 14, 2026 · View company records in RevenueBase
15Exact matchNew York, NY, United StatesHQ recorded Sep 14, 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 14, 2026 · View company records in RevenueBase
16Exact matchNew York, United StatesHQ recorded Sep 14, 20261-105 contacts →

Exact match

“WHERE MISSION, SUSTAINABILITY,+ DESIGN EXCELLENCE CONVERGE Studio 397 Architecture is a NYC-based studio specializing in sustainable corporate interiors and high-end residential…”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
17Exact matchNew York, NY, United StatesHQ recorded Sep 14, 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 14, 2026 · View company records in RevenueBase
18Exact matchNew York, NY, United StatesHQ recorded Sep 14, 202611-504 contacts →

Exact match

“Antōs Environmental has been at the forefront of the ‘Green’ initiative for over 30 years.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
19Exact matchNew York, NY, United StatesHQ recorded Sep 14, 202611-504 contacts →

Exact match

“At Omicrown, we are a group of passionate leaders and specialists ready to help professional-service companies reach their full potential.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
20Exact matchNew York, NY, United StatesHQ recorded Sep 14, 202611-504 contacts →

Exact match

“Tinkwyz thinks beyond conventional boundaries to develop innovative, sustainable, and transformative solutions across business and technology.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
21Exact matchNew York, NY, United StatesHQ recorded Sep 14, 20261-103 contacts →

Exact match

“Radial Theory is a collection of senior technology consultants and practitioners that design and build resilient, trusted, affordable and sustainable systems for our clients.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
22Exact matchNew York, NY, United StatesHQ recorded Sep 14, 20261-103 contacts →

Exact match

“At Loopline, we're on a mission to help businesses be the agents of a better future while improving lives and building the next generation of conscious companies.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
23Exact matchNew York, NY, United StatesHQ recorded Sep 14, 20261-103 contacts →

Exact match

“CoClear is a Sustainability Consulting Group that specializes in calculating life cycle analysis (LCA) for consumer goods corporations.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
24Exact matchNew York, United StatesHQ recorded Sep 14, 20261-103 contacts →

Exact match

“bgood collective is a female founded sustainability agency.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
25Exact matchNew York, United StatesHQ recorded Sep 14, 20261-103 contacts →

Exact match

“D.A.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase

Showing 25 of 101 sustainable IT consulting firms based in New York, United States

See the full list, filter by size, metro and specialty, and access 5,812 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Sustainable IT consulting firms based in New York, United States at a glance

As of Sep 14, 2026
57.2%Verified-email coverage
100.5Average contacts per company
1-10Median size (employees)
Sep 14, 2026Page data refreshed

Companies by employee count

1-10
70
11-50
22
51-200
7
201-500
1
10001+
1

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 101 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 “sustainable IT 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 5,812 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 14, 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 “sustainable IT consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many sustainable IT consulting firms are there based in New York, United States?

RevenueBase identified 101 company matches for sustainable IT 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?

WSP In The U.S 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 sustainable IT consulting firms?

New York leads the United States with 101 company records, followed by Chicago (49) and Washington (48).

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 5,812 professional contacts with verified work emails tracked across these 101 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 14, 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.