Company lists · Data refreshed September 2026

Top 25 Big 5 consulting firms based in New York, United States

Name: Big 5 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 643 companies tracked

RevenueBase identified 643 company matches for big 5 consulting firms associated with New York, United States as of September 2026 and tracks 74,813 professional contacts across them, including 33,929 with verified work emails. Across the United States, New York is the largest hub for this category.

This list covers company matches for big 5 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

643Companies

74,813Contacts tracked

33,929Verified emails

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The 25 largest big 5 consulting firms based in New York, United States

Ranked by team size

Top 25 of 643 company matches for big 5 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	EXL	Exact match	New York, NY, United StatesHQ recorded Sep 23, 2026	10001+	40,100 contacts →
	Exact match “Choosing a digital partner is about more than capabilities, it’s about collaboration and character.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
2	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
3	Oliver Wyman	Exact match	New York, NY, United StatesHQ recorded Sep 23, 2026	5,001-10,000	8,230 contacts →
	Exact match “At Oliver Wyman, a Marsh business, we bring deep industry insight, bold innovation, and a collaborative approach that cuts through complexity to help organizations navigate their…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
4	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
5	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
6	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
7	Seargin	Exact match	New York, NY, United StatesHQ recorded Sep 23, 2026	501-1,000	276 contacts →
	Exact match “Seargin was founded to close the gap between traditional advisory and hands-on delivery - combining strategic insight with deep expertise in ERP, AI and data.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
8	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
9	Kraft & Kennedy, INC	Exact match	New York, NY, United StatesHQ recorded Sep 23, 2026	51-200	219 contacts →
	Exact match “Kraft Kennedy is a multidisciplinary technology and management consulting firm.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
10	Bryant Park Consulting	Exact match	New York, NY, United StatesHQ recorded Sep 23, 2026	201-500	191 contacts →
	Exact match “We champion a culture of innovation to help our clients build the future of business.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
11	Essex Lake Group	Exact match	New York, United StatesHQ recorded Sep 23, 2026	201-500	183 contacts →
	Exact match “Essex delivers transformative business solutions to major global corporations.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
12	Sharp Decisions	Exact match	New York, NY, United StatesHQ recorded Sep 23, 2026	201-500	171 contacts →
	Exact match “For over 33 years, Sharp Decisions Inc.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
13	NEO Tangent Limited	Exact match	New York, United StatesHQ recorded Sep 23, 2026	1,001-5,000	167 contacts →
	Exact match “We're a business process management organization that delivers professional services to our customers globally.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
14	Cedar Management Consulting International	Exact match	New York, NY, United StatesHQ recorded Sep 23, 2026	51-200	155 contacts →
	Exact match “Cedar is a global strategy consulting, research, & analytics firm with a 35-year track record & clients across multiple industry sectors.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
15	Azeemi Technologies	Exact match	New York, United StatesHQ recorded Sep 23, 2026	201-500	144 contacts →
	Exact match “Azeemi Technologies is leading global AI & IT Consulting company, established in 2003, providing end-to-end IT Services & Solutions in North America, Middle East, Africa and Asia.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
16	Vertical Relevance	Exact match	New York, NY, United StatesHQ recorded Sep 23, 2026	51-200	129 contacts →
	Exact match “Vertical Relevance is an industry-focused consulting firm with deep expertise in financial services and additional regulated industries.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
17	Applied Value Group	Exact match	New York, NY, United StatesHQ recorded Sep 23, 2026	51-200	124 contacts →
	Exact match “Founded in 1997 by Executive Chairman Bruce Grant and the late Jan Stenbeck, Applied Value Group is a leading global management consulting firm with decades of experience growing…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
18	Tefen Management Consulting	Exact match	New York, NY, United StatesHQ recorded Sep 23, 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 23, 2026 · View company records in RevenueBase
19	Universal Technology Solutions Uebiz	Exact match	New York, NY, United StatesHQ recorded Sep 23, 2026	51-200	118 contacts →
	Exact match “We started as a small group of consultants dedicated to providing our clients with customized technology to meet their business needs.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
20	Vivaldi	Exact match	New York, NY, United StatesHQ recorded Sep 23, 2026	51-200	102 contacts →
	Exact match “Vivaldi is a global business reinvention firm comprised of growth strategists, innovators, visionary technologists, and disruptive creatives.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
21	RE Partners	Exact match	New York, NY, United StatesHQ recorded Sep 23, 2026	201-500	99 contacts →
	Exact match “RE Partners Consulting LLC was co-founded in 2019 by CEO Valerie Kogan and CRO Alex Gikher, and our custom-tailored, high-touch, white-glove engineering service is a result of 50+…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
22	MESA	Exact match	New York, NY, United StatesHQ recorded Sep 23, 2026	11-50	90 contacts →
	Exact match “A radically efficient approach to work.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
23	Activate Consulting	Exact match	New York, NY, United StatesHQ recorded Sep 23, 2026	51-200	85 contacts →
	Exact match “Activate is a smart, fast, and nimble next generation strategy and technology consulting firm.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
24	Alton Aviation Consultancy	Exact match	New York, NY, United StatesHQ recorded Sep 23, 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 23, 2026 · View company records in RevenueBase
25	Reference Point	Exact match	New York, NY, United StatesHQ recorded Sep 23, 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 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 “big 5 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 643 big 5 consulting firms based in New York, United States

See the full list, filter by size, metro and specialty, and access 33,929 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Big 5 consulting firms based in New York, United States at a glance

As of Sep 23, 2026

45.4%Verified-email coverage

116.3Average contacts per company

1-10Median size (employees)

Sep 23, 2026Page data refreshed

Companies by employee count

1-10

378

11-50

157

51-200

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 “big 5 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 33,929 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.

Big 5 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 “big 5 consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many big 5 consulting firms are there based in New York, United States?

RevenueBase identified 643 company matches for big 5 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?

EXL 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 big 5 consulting firms?

New York leads the United States with 643 company records, followed by Chicago (350) and Atlanta (336).

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 33,929 professional contacts with verified work emails tracked across these 643 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.