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Company lists · Data refreshed September 2026

Top 25 Management consulting firms based in the United States

Compiled by the RevenueBase Data Team Data refreshed Sep 5, 2026 28,771 companies tracked

RevenueBase identified 28,771 management consulting firms headquartered in the United States as of September 2026 and tracks 442,709 professional contacts across them, including 179,944 with verified work emails and 122,743 with mobile numbers. New York is the largest hub.

This list covers management consulting firms headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, how directly it supports the match, and when it was last checked. Data refreshed September 5, 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 HQ checked on every row Match evidence on every row Refreshed Sep 5, 2026 86% judged on-target in blind review
28,771Companies
442,709Contacts tracked
179,944Verified emails
122,743Mobile numbers
Unlock all 28,771 companies Free signup · no credit card · 500 free credits

The 25 largest management consulting firms based in the United States

Ranked by team size
Top 25 of 28,771 management consulting firms based in the United States, ranked by team size, largest first. Data refreshed Sep 5, 2026. Evidence rates how directly each company's own description names management consulting firms: strong (names it), partial (names part of it), indirect (matched on its full profile rather than the summary shown). Click a count to unlock that company's people.
#CompanyHeadquartersEmployeesContacts
1
EXLIndirect evidence
New York, NY, United StatesHQ checked Sep 5, 202610001+40,100

“Choosing a digital partner is about more than capabilities, it’s about collaboration and character.”

Source: company website · checked Sep 5, 2026
2
Boston Consulting Group BCGPartial evidence
Boston, MA, United StatesHQ checked Sep 5, 202610001+38,730

“Boston Consulting Group partners with leaders in business and society to tackle their most important challenges and capture their greatest opportunities.”

Source: company website · checked Sep 5, 2026
3
Bain & CompanyIndirect evidence
Boston, MA, United StatesHQ checked Sep 5, 202610001+21,689

“Bain & Company is a global consultancy that helps the world’s most ambitious change makers define the future.”

Source: company website · checked Sep 5, 2026
4
Cbre Global Workplace Solutions GWSIndirect evidence
Dallas, TX, United StatesHQ checked Sep 5, 202610001+17,726

“From short-term decisions to developing a long-term strategy, CBRE Global Workplace Solutions (GWS) partners with clients to uncover solutions for unique, organizational needs and…”

Source: company website · checked Sep 5, 2026
5
ZSStrong evidence
Evanston, IL, United StatesHQ checked Sep 5, 202610001+16,896

“ZS is a management consulting and technology firm that partners with companies to improve life and how we live it.”

Source: company website · checked Sep 5, 2026
6
Korn FerryPartial evidence
Los Angeles, CA, United StatesHQ checked Sep 5, 202610001+13,486

“Korn Ferry is a global consulting firm that powers performance.”

Source: company website · checked Sep 5, 2026
7
Alvarez & MarsalIndirect evidence
New York, NY, United StatesHQ checked Sep 5, 202610001+13,099

“Alvarez & Marsal is a leading global professional services firm dedicated to helping organizations tackle their most complex business issues, maximize stakeholder value, and…”

Source: company website · checked Sep 5, 2026
8
SlalomPartial evidence
Seattle, WA, United StatesHQ checked Sep 5, 202610001+10,032

“Slalom is a fiercely human business and technology consulting company that leads with outcomes to bring more value, in all ways, always.”

Source: company website · checked Sep 5, 2026
9
ProtivitiPartial evidence
Menlo Park, CA, United StatesHQ checked Sep 5, 20265,001-10,0008,779

“Protiviti is a global consulting firm that delivers deep expertise, objective insights, a tailored approach and unparalleled collaboration to help leaders confidently face the…”

Source: company website · checked Sep 5, 2026
10
Oliver WymanIndirect evidence
New York, NY, United StatesHQ checked Sep 5, 20265,001-10,0008,230

“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…”

Source: company website · checked Sep 5, 2026
11
Yash TechnologiesPartial evidence
East Moline, IL, United StatesHQ checked Sep 5, 20265,001-10,0007,769

“YASH Technologies is a consulting-led transformation partner with a proven track record of helping customers address their current and prospective digital transformation…”

Source: company website · checked Sep 5, 2026
12
HURONIndirect evidence
Chicago, IL, United StatesHQ checked Sep 5, 20265,001-10,0007,520

“Huron is a global professional services firm that collaborates with organizations to solve complex challenges and achieve ambitious goals.”

Source: company website · checked Sep 5, 2026
13
KearneyPartial evidence
Chicago, IL, United StatesHQ checked Sep 5, 20265,001-10,0006,978

“As one of the original firms, we’ve never lost sight of the fact that consulting is a people business.”

Source: company website · checked Sep 5, 2026
14
Accenture Strategy & ConsultingIndirect evidence
Chicago, IL, United StatesHQ checked Sep 5, 20265,001-10,0005,514

“Accenture Strategy combines deep industry expertise, advanced analytics capabilities and human-led design methodologies that enable clients to act with speed and confidence.”

Source: company website · checked Sep 5, 2026
15
StrategyIndirect evidence
New York, NY, United StatesHQ checked Sep 5, 20261,001-5,0005,082

“From strategy to execution.”

Source: company website · checked Sep 5, 2026
16
L.E.K. ConsultingIndirect evidence
Boston, MA, United StatesHQ checked Sep 5, 20261,001-5,0004,093

“L.E.K.”

Source: company website · checked Sep 5, 2026
17
DAIStrong evidence
Bethesda, MD, United StatesHQ checked Sep 5, 20265,001-10,0003,741

“DAI is an integrated professional services and advisory firm that provides project design and delivery, management consulting, and financial services to companies, investors, and…”

Source: company website · checked Sep 5, 2026
18
AlixpartnersIndirect evidence
New York, NY, United StatesHQ checked Sep 5, 20261,001-5,0003,583

“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…”

Source: company website · checked Sep 5, 2026
19
ETEAMIndirect evidence
Somerset, NJ, United StatesHQ checked Sep 5, 2026n/a3,285

“For over 25 years, eTeam has been trusted by global organizations to lead high-stakes programs where execution matters as much as strategy.”

Source: company website · checked Sep 5, 2026
20
ArmaninoIndirect evidence
San Ramon, CA, United StatesHQ checked Sep 5, 20261,001-5,0002,989

“Founded as an alternative to the status quo, Armanino doesn’t just keep up with change, we embrace it.”

Source: company website · checked Sep 5, 2026
21
Frost & SullivanIndirect evidence
San Antonio, TX, United StatesHQ checked Sep 5, 20261,001-5,0002,330

“For over six decades, Frost & Sullivan has helped the world’s top companies toward transformational growth journeys that result in a stream of innovative growth opportunities.”

Source: company website · checked Sep 5, 2026
22
North HighlandIndirect evidence
Atlanta, GA, United StatesHQ checked Sep 5, 20261,001-5,0001,792

“North Highland helps businesses move from strategy to reality, taking a pragmatic and practical approach to build solutions that work and create impact that lasts.”

Source: company website · checked Sep 5, 2026
23
MCAPartial evidence
Westport, CT, United StatesHQ checked Sep 5, 2026n/a1,650

“MCAworks is a strategic marketing consulting firm passionately dedicated to helping our clients accelerate and sustain business growth.”

Source: company website · checked Sep 5, 2026
24
ArganoIndirect evidence
Plano, TX, United StatesHQ checked Sep 5, 20261,001-5,0001,603

“Argano is the world’s first and largest digital services consultancy focused exclusively on enabling high performance across our clients’ business operations, at scale and around…”

Source: company website · checked Sep 5, 2026
25
Trace3Indirect evidence
Irvine, CA, United StatesHQ checked Sep 5, 20261,001-5,0001,345

“Trace3 delivers business transformation.”

Source: company website · checked Sep 5, 2026

Showing 25 of 28,771 management consulting firms based in the United States

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Management consulting firms based in the United States at a glance

As of Sep 5, 2026
1-10Median size (employees)
New YorkLargest hub · 1234 HQs
122,743Contacts with mobile numbers
Sep 5, 2026Data refreshed

Companies by employee count

1-10
22,651
11-50
4,442
51-200
1,214
201-500
250
501-1,000
84
1,001-5,000
70
5,001-10,000
17
10001+
24

Verified emails by last verification

0–30
164,698
31–60
12,487
61–90
128
90–180
93
180+
2,538

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among management consulting firms, so some rows will be adjacent to the category rather than pure plays. The description and evidence rating on every row are there so you can check each match yourself.

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
Companies headquartered in the United States whose own description of what they do matches “management consulting firms”. Matching reads each company's description, not its industry code or its name.
What we exclude
Companies whose own description does not clearly place them among management consulting firms, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and an evidence rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 179,944 across the full list. 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 5, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Management consulting firms by metro

Frequently asked

How many management consulting firms are there based in the United States?

RevenueBase identified 28,771 management consulting firms headquartered in the United States as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

EXL, headquartered in New York, tops this list with the largest team on record.

Which city has the most management consulting firms?

New York leads with 1234 headquartered companies, followed by Chicago (748) and Atlanta (737).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 179,944 verified decision-maker contacts tracked across these 28,771 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 5, 2026.

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Related lists

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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.

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