Company lists · Data refreshed September 2026

Top 25 Business advisory and consulting firms based in New York, United States

Name: Business advisory and 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 23, 2026 2,053 companies tracked

RevenueBase identified 2,053 company matches for business advisory and consulting firms associated with New York, United States as of September 2026 and tracks 64,465 professional contacts across them, including 35,385 with verified work emails. Across the United States, New York is the largest hub for this category.

This list covers company matches for business advisory and 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 23, 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 23, 2026 How this list was built

2,053Companies

64,465Contacts tracked

35,385Verified emails

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The 25 largest business advisory and consulting firms based in New York, United States

Ranked by team size

Top 25 of 2,053 company matches for business advisory and consulting firms based in New York, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 23, 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	Alvarez & Marsal	Exact match	New York, NY, United StatesHQ recorded Sep 23, 2026	10001+	13,099 contacts →
	Exact match “Alvarez & Marsal is a leading global professional services firm dedicated to helping organizations tackle their most complex business issues, maximize stakeholder value, and…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
2	KROLL	Exact match	New York, NY, United StatesHQ recorded Sep 23, 2026	5,001-10,000	6,287 contacts →
	Exact match “As the leading independent provider of risk and financial advisory solutions, Kroll leverages our unique insights, data and technology to help clients stay ahead of complex…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
3	Strategy	Exact match	New York, NY, United StatesHQ recorded Sep 23, 2026	1,001-5,000	5,082 contacts →
	Exact match “From strategy to execution.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
4	Eisneramper	Exact match	New York, NY, United StatesHQ recorded Sep 23, 2026	1,001-5,000	4,199 contacts →
	Exact match “EisnerAmper, one of the largest business consulting firms in the world, is comprised of EisnerAmper LLP, a licensed independent CPA firm that provides client attest services; and…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
5	Lazard	Exact match	New York, NY, United StatesHQ recorded Sep 23, 2026	1,001-5,000	3,912 contacts →
	Exact match “Founded in 1848, Lazard is the preeminent financial advisory and asset management firm, with operations in North and South America, Europe, the Middle East, Asia, and Australia.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
6	Alixpartners	Exact match	New York, NY, United StatesHQ recorded Sep 23, 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 23, 2026 · View company records in RevenueBase
7	Citrin Cooperman	Exact match	New York, United StatesHQ recorded Sep 23, 2026	1,001-5,000	2,996 contacts →
	Exact match “Citrin Cooperman is one of the nation’s largest and fastest-growing professional services firms.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
8	Uhy-Us	Exact match	New York, NY, United StatesHQ recorded Sep 23, 2026	1,001-5,000	2,035 contacts →
	Exact match “UHY is one of the nation’s largest professional services firms providing audit, tax, consulting and advisory services to clients primarily in the dynamic middle market.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
9	TENEO	Exact match	New York, NY, United StatesHQ recorded Sep 23, 2026	1,001-5,000	1,930 contacts →
	Exact match “Teneo is the global CEO advisory firm.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
10	Marcum LLP	Exact match	New York, NY, United StatesHQ recorded Sep 23, 2026	5,001-10,000	1,332 contacts →
	Exact match “As of November 1, 2024, Marcum has been acquired by CBIZ.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
11	Nassau Street Partners	Exact match	New York, NY, United StatesHQ recorded Sep 23, 2026	n/a	904 contacts →
	Exact match “Nassau Street Partners is an independent capital advisory firm focused on mergers and acquisitions, capital markets advisory, and strategic financial solutions for early-stage and…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
12	Perella Weinberg	Exact match	New York, NY, United StatesHQ recorded Sep 23, 2026	501-1,000	883 contacts →
	Exact match “Perella Weinberg is a leading global independent financial services firm, founded in 2006 to address the need for experienced, trusted and unconflicted advice in the financial…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
13	The Vertex Companies LLC	Exact match	New York, NY, United StatesHQ recorded Sep 23, 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 23, 2026 · View company records in RevenueBase
14	Anchin	Exact match	New York, NY, United StatesHQ recorded Sep 23, 2026	501-1,000	602 contacts →
	Exact match “Effective July 1, 2026, Anchin combined with Baker Tilly, a leading advisory, tax, and assurance firm with a national and global presence across major U.S.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
15	Prager Metis Cpas	Exact match	New York, United StatesHQ recorded Sep 23, 2026	201-500	467 contacts →
	Exact match “Prager Metis CPAs is an independent, full service, public accounting and consulting firm.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
16	WISS	Exact match	New York, NY, United StatesHQ recorded Sep 23, 2026	201-500	464 contacts →
	Exact match “At Wiss, we believe there’s more to accounting than just balancing the books.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
17	Keystone	Exact match	New York, NY, United StatesHQ recorded Sep 23, 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 23, 2026 · View company records in RevenueBase
18	Phronesis Partners	Exact match	New York, NY, United StatesHQ recorded Sep 23, 2026	201-500	337 contacts →
	Exact match “At Phronesis Partners, we turn complexity into clarity for the world's leading organizations.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
19	Geller	Exact match	New York, NY, United StatesHQ recorded Sep 23, 2026	51-200	310 contacts →
	Exact match “Geller provides financial services and strategic advisory to private companies and not-for-profit organizations.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
20	Industri	Exact match	New York, NY, United StatesHQ recorded Sep 23, 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 23, 2026 · View company records in RevenueBase
21	Cbiz Marks Paneth	Exact match	New York, NY, United StatesHQ recorded Sep 23, 2026	501-1,000	289 contacts →
	Exact match “CBIZ Marks Paneth, formerly known as Marks Paneth LLP, joined CBIZ and Mayer Hoffman McCann P.C.(MHM) in January 2022.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
22	AON Inpoint	Exact match	New York, NY, United StatesHQ recorded Sep 23, 2026	10001+	252 contacts →
	Exact match “Aon plc (NYSE:AON) is a leading global professional services firm providing a broad range of risk, retirement and health solutions.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
23	Friedman LLP	Exact match	New York, NY, United StatesHQ recorded Sep 23, 2026	1,001-5,000	203 contacts →
	Exact match “Effective September 1, 2022, Friedman LLP is now Marcum – creating one of the most innovative accounting and advisory firms in the U.S.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
24	Horwath HTL	Exact match	New York, NY, United StatesHQ recorded Sep 23, 2026	201-500	198 contacts →
	Exact match “Bold steps forward.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
25	Research Nester Analytics	Exact match	New York, NY, United StatesHQ recorded Sep 23, 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 23, 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 “business advisory and 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 2,053 business advisory and consulting firms based in New York, United States

See the full list, filter by size, metro and specialty, and access 35,385 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Business advisory and consulting firms based in New York, United States at a glance

As of Sep 23, 2026

54.9%Verified-email coverage

31.4Average contacts per company

1-10Median size (employees)

Sep 23, 2026Page data refreshed

Companies by employee count

1-10

1,456

11-50

422

51-200

104

201-500

501-1,000

1,001-5,000

5,001-10,000

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 “business advisory and 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 35,385 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 23, 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.

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

How many business advisory and consulting firms are there based in New York, United States?

RevenueBase identified 2,053 company matches for business advisory and 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?

Alvarez & Marsal 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 business advisory and consulting firms?

New York leads the United States with 2,053 company records, followed by Atlanta (839) and Chicago (826).

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 35,385 professional contacts with verified work emails tracked across these 2,053 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 23, 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.