Company lists · Data refreshed September 2026

Top 25 City sustainability consultants based in New York, United States

RevenueBase identified 176 company matches for city sustainability consultants associated with New York, United States as of September 2026 and tracks 12,811 professional contacts across them, including 7,257 with verified work emails. Across the United States, New York is the largest hub for this category.

This list covers company matches for city sustainability 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 September 19, 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 19, 2026 How this list was built
176Companies
12,811Contacts tracked
7,257Verified emails
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The 25 largest city sustainability consultants based in New York, United States

Ranked by team size
Top 25 of 176 company matches for city sustainability consultants based in New York, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 19, 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 19, 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 19, 2026 · View company records in RevenueBase
2Exact matchNew York, NY, United StatesHQ recorded Sep 19, 2026501-1,000970 contacts →

Exact match

“KPF is dedicated to transforming cities through impactful design, collaborating closely with the world’s most forward-thinking clients to create high performing, carefully crafted…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
3Exact matchNew York, NY, United StatesHQ recorded Sep 19, 2026501-1,000259 contacts →

Exact match

“From humble beginnings in 1991 as a 2-person company in New York City, we have now grown into a 500-person strong consulting firm, with 15 regional offices in the US (and India).”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
4Exact matchNew York, NY, United StatesHQ recorded Sep 19, 202651-200213 contacts →

Exact match

“HR & A guides decision makers in cities, including mayors and agency heads, real estate owners and developers, and non-profit leaders, to create impact when the stakes are high…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
5Exact matchNew York, NY, United StatesHQ recorded Sep 19, 202651-200171 contacts →

Exact match

“Ennead, a CannonDesign Company, is an internationally acclaimed 160+ person practice based in New York City with offices in Los Angeles and Shanghai.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
6Exact matchNew York, NY, United StatesHQ recorded Sep 19, 202651-200127 contacts →

Exact match

“Jonathan Rose Companies is a green real estate policy, urban planning, development, project management and investment firm.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
7Exact matchNew York, NY, United StatesHQ recorded Sep 19, 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 19, 2026 · View company records in RevenueBase
8Exact matchNew York, NY, United StatesHQ recorded Sep 19, 202651-20075 contacts →

Exact match

“We help building owners cut carbon, reduce costs, and stay compliant.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
9Exact matchNew York, NY, United StatesHQ recorded Sep 19, 202651-20072 contacts →

Exact match

“CodeGreen is a leading national sustainability and energy efficiency consulting firm.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
10Exact matchNew York, NY, United StatesHQ recorded Sep 19, 202611-5067 contacts →

Exact match

“Bloomberg Associates is an international consulting service founded by Michael R.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
11Exact matchNew York, NY, United StatesHQ recorded Sep 19, 202651-20066 contacts →

Exact match

“Since its founding by Max O.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
12Exact matchNew York, NY, United StatesHQ recorded Sep 19, 202651-20062 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
13Exact matchNew York, NY, United StatesHQ recorded Sep 19, 202651-20058 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
14Exact matchNew York, NY, United StatesHQ recorded Sep 19, 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 19, 2026 · View company records in RevenueBase
15Exact matchNew York, NY, United StatesHQ recorded Sep 19, 202611-5047 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
16Exact matchNew York, NY, United StatesHQ recorded Sep 19, 202611-5042 contacts →

Exact match

“Over the course of 40 years MAP has designed more than 100 residential developments comprising over homes throughout New York City and the surrounding area.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
17Exact matchNew York, NY, United StatesHQ recorded Sep 19, 202651-20042 contacts →

Exact match

“HUNTLER is MBE certified management consulting and advisory firm.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
18Exact matchNew York, NY, United StatesHQ recorded Sep 19, 202611-5039 contacts →

Exact match

“BFJ Planning is a consulting firm providing professional expertise in planning and related fields since its establishment in 1980.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
19Exact matchNew York, NY, United StatesHQ recorded Sep 19, 2026n/a39 contacts →

Exact match

“Stefan Al Architects is a design studio focused on sustainable architecture and urban design”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
20Exact matchNew York, NY, United StatesHQ recorded Sep 19, 202611-5037 contacts →

Exact match

“Dagher Engineering is an award-winning building systems engineering and sustainability consulting firm based in New York City.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
21Exact matchNew York, NY, United StatesHQ recorded Sep 19, 202611-5033 contacts →

Exact match

“Founded in 1996, Urban Architectural Initiatives, RA, P.C.(UAI) is a minority owned, vibrant and diverse group of professionals united around the idea that great architecture is…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
22Exact matchNew York, NY, United StatesHQ recorded Sep 19, 202611-5032 contacts →

Exact match

“Hargreaves Jones (previously Hargreaves Associates) is a professional consulting firm comprised of landscape architects and planners with offices in New York, San Francisco, and…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
23Exact matchNew York, NY, United StatesHQ recorded Sep 19, 202611-5029 contacts →

Exact match

“Karp Strategies is a WBE and DBE-certified urban planning and strategy consulting firm that helps clients strengthen cities through data-driven insights, stakeholder engagement…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
24Exact matchNew York, NY, United StatesHQ recorded Sep 19, 202611-5028 contacts →

Exact match

“MBB Architects is a distinguished women-owned architecture firm based in New York City.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
25Exact matchNew York, NY, United StatesHQ recorded Sep 19, 202611-5028 contacts →

Exact match

“BJH Advisors, LLC (BJH) is a real estate advisory and planning firm, with expertise in infrastructure and urban planning, project management, financial and market analytics…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase

Showing 25 of 176 city sustainability consultants based in New York, United States

See the full list, filter by size, metro and specialty, and access 7,257 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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City sustainability consultants based in New York, United States at a glance

As of Sep 19, 2026
56.6%Verified-email coverage
72.8Average contacts per company
1-10Median size (employees)
Sep 19, 2026Page data refreshed

Companies by employee count

1-10
105
11-50
50
51-200
17
201-500
1
501-1,000
2
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 176 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 “city sustainability 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 7,257 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 19, 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 “city sustainability consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many city sustainability consultants are there based in New York, United States?

RevenueBase identified 176 company matches for city sustainability consultants 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 city sustainability consultants?

New York leads the United States with 176 company records, followed by Washington (100) and Chicago (77).

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 7,257 professional contacts with verified work emails tracked across these 176 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 19, 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.