Company lists · Data refreshed September 2026

Top 25 Development consulting firms based in New York, United States

Name: Development consulting firms based in New York, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 24, 2026 1,522 companies tracked

RevenueBase identified 1,522 company matches for development consulting firms associated with New York, United States as of September 2026 and tracks 31,160 professional contacts across them, including 15,004 with verified work emails. Across the United States, New York is the largest hub for this category.

This list covers company matches for development 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 24, 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 24, 2026 How this list was built

1,522Companies

31,160Contacts tracked

15,004Verified emails

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The 25 largest development consulting firms based in New York, United States

Ranked by team size

Top 25 of 1,522 company matches for development consulting firms based in New York, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 24, 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	WSP In The U.S	Exact match	New York, NY, United StatesHQ recorded Sep 24, 2026	10001+	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 24, 2026 · View company records in RevenueBase
2	Strategy	Exact match	New York, NY, United StatesHQ recorded Sep 24, 2026	1,001-5,000	5,082 contacts →
	Exact match “From strategy to execution.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
3	Alixpartners	Exact match	New York, NY, United StatesHQ recorded Sep 24, 2026	1,001-5,000	3,583 contacts →
	Exact match “For more than forty years, AlixPartners has helped businesses around the world respond quickly and decisively to their most critical challenges – circumstances as diverse as…” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
4	Cumming Group	Exact match	New York, NY, United StatesHQ recorded Sep 24, 2026	1,001-5,000	1,612 contacts →
	Exact match “At Cumming Group, we are passionate about helping our clients execute large-scale, complex projects on time and within budget.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
5	The Vertex Companies LLC	Exact match	New York, NY, United StatesHQ recorded Sep 24, 2026	501-1,000	765 contacts →
	Exact match “The Vertex Companies, LLC is a global consulting firm that provides strategic advisory, project management, and dispute resolution services for organizations that face complex…” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
6	CCS Fundraising	Exact match	New York, NY, United StatesHQ recorded Sep 24, 2026	501-1,000	728 contacts →
	Exact match “For over 75 years, CCS Fundraising has empowered many of the world’s greatest organizations to advance some of the most important causes in history.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
7	Keystone	Exact match	New York, NY, United StatesHQ recorded Sep 24, 2026	201-500	423 contacts →
	Exact match “Keystone is an innovative strategy, economics, and technology consulting firm delivering transformative ideas and novel solutions to global brands and law firms on leading-edge…” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
8	Industri	Exact match	New York, NY, United StatesHQ recorded Sep 24, 2026	n/a	292 contacts →
	Exact match “Construction Sector/B2B Brand Strategy, Marketing & Business Development INDUSTRI® is a multi-faceted business development consultancy that focuses on key areas of an organization…” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
9	TCC Group	Exact match	New York, NY, United StatesHQ recorded Sep 24, 2026	n/a	232 contacts →
	Exact match “TCC Group collaborates with leaders to solve complex social problems.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
10	Hr&a Advisors	Exact match	New York, NY, United StatesHQ recorded Sep 24, 2026	51-200	213 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 24, 2026 · View company records in RevenueBase
11	Horwath HTL	Exact match	New York, NY, United StatesHQ recorded Sep 24, 2026	201-500	198 contacts →
	Exact match “Bold steps forward.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
12	Research Nester Analytics	Exact match	New York, NY, United StatesHQ recorded Sep 24, 2026	51-200	191 contacts →
	Exact match “Research Nester is a global consulting firm that works with the most aspirational facilitators to define the future market strategies.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
13	Essex Lake Group	Exact match	New York, United StatesHQ recorded Sep 24, 2026	201-500	183 contacts →
	Exact match “Essex delivers transformative business solutions to major global corporations.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
14	ITAC	Exact match	New York, NY, United StatesHQ recorded Sep 24, 2026	n/a	150 contacts →
	Exact match “ITAC is a leading consulting organization located in New York City.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
15	VVA	Exact match	New York, NY, United StatesHQ recorded Sep 24, 2026	51-200	146 contacts →
	Exact match “At VVA, we become an integral part of your team, serving as trusted advisors who are deeply invested in your success.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
16	Tefen Management Consulting	Exact match	New York, NY, United StatesHQ recorded Sep 24, 2026	201-500	122 contacts →
	Exact match “Tefen is an international management consulting firm, committed to driving organizations towards achieving performance excellence.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
17	DBOX	Exact match	New York, NY, United StatesHQ recorded Sep 24, 2026	51-200	94 contacts →
	Exact match “DBOX is shaped to be where our global clients are, combining our global expertise and capabilities with specialist local knowledge and insight.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
18	MESA	Exact match	New York, NY, United StatesHQ recorded Sep 24, 2026	11-50	90 contacts →
	Exact match “A radically efficient approach to work.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
19	Next Street	Exact match	New York, NY, United StatesHQ recorded Sep 24, 2026	51-200	85 contacts →
	Exact match “For more than 20 years, corporations, governments, and philanthropies have hired Next Street to strengthen the small businesses they rely on.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
20	Alton Aviation Consultancy	Exact match	New York, NY, United StatesHQ recorded Sep 24, 2026	51-200	85 contacts →
	Exact match “Alton Aviation Consultancy has significant experience delivering large, complex consulting engagements for clients in aviation and aerospace.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
21	Reference Point	Exact match	New York, NY, United StatesHQ recorded Sep 24, 2026	51-200	83 contacts →
	Exact match “Reference Point is a strategy, management, and technology consulting firm focused on delivering impactful solutions for the financial services industry.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
22	Bloomberg Associates	Exact match	New York, NY, United StatesHQ recorded Sep 24, 2026	11-50	67 contacts →
	Exact match “Bloomberg Associates is an international consulting service founded by Michael R.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
23	Lehrer Cumming	Exact match	New York, NY, United StatesHQ recorded Sep 24, 2026	51-200	64 contacts →
	Exact match “Lehrer Cumming is an industry-leading project and cost management and hands-on owner advisory firm that offers strategic guidance to owners, developers, and institutions in and…” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
24	Graham-Pelton	Exact match	New York, NY, United StatesHQ recorded Sep 24, 2026	51-200	59 contacts →
	Exact match “Graham-Pelton is the fundraising consulting firm chosen by leading nonprofits worldwide.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
25	MOJO	Exact match	New York, NY, United StatesHQ recorded Sep 24, 2026	51-200	56 contacts →
	Exact match “We are a creative consultancy.” Recorded in the RevenueBase company graph · Sep 24, 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 “development consulting firms”. 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 1,522 development consulting firms based in New York, United States

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

As of Sep 24, 2026

48.2%Verified-email coverage

20.5Average contacts per company

1-10Median size (employees)

Sep 24, 2026Page data refreshed

Companies by employee count

1-10

1,128

11-50

302

51-200

201-500

501-1,000

1,001-5,000

10001+

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.

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 “development 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 15,004 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 24, 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.

Development consulting firms by metro in the United States

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

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

RevenueBase identified 1,522 company matches for development 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 development consulting firms?

New York leads the United States with 1,522 company records, followed by Washington (758) and Chicago (749).

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 15,004 professional contacts with verified work emails tracked across these 1,522 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 24, 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.