Company lists · Data refreshed September 2026

Top 25 Big consulting firms based in the United States

Name: Big consulting firms based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 21, 2026 7,376 companies tracked

RevenueBase identified 7,376 company matches for big consulting firms associated with the United States as of September 2026 and tracks 243,762 professional contacts across them, including 87,189 with verified work emails. New York is the largest hub.

This list covers company matches for big consulting firms associated with the 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 21, 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 21, 2026 How this list was built

7,376Companies

243,762Contacts tracked

87,189Verified emails

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest big consulting firms based in the United States

Ranked by team size

Top 25 of 7,376 company matches for big consulting firms based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 21, 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 21, 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 21, 2026 · View company records in RevenueBase
2	Boston Consulting Group BCG	Exact match	Boston, MA, United StatesHQ recorded Sep 21, 2026	10001+	38,730 contacts →
	Exact match “Boston Consulting Group partners with leaders in business and society to tackle their most important challenges and capture their greatest opportunities.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
3	Guidehouse	Exact match	Mclean, VA, United StatesHQ recorded Sep 21, 2026	10001+	12,815 contacts →
	Exact match “Guidehouse is a global AI-led professional services firm delivering advisory, technology, and managed services to the commercial and government sectors.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
4	Protiviti	Exact match	Menlo Park, CA, United StatesHQ recorded Sep 21, 2026	5,001-10,000	8,779 contacts →
	Exact match “Protiviti is a global consulting firm that delivers deep expertise, objective insights, a tailored approach and unparalleled collaboration to help leaders confidently face the…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
5	HURON	Exact match	Chicago, IL, United StatesHQ recorded Sep 21, 2026	5,001-10,000	7,520 contacts →
	Exact match “Huron is a global professional services firm that collaborates with organizations to solve complex challenges and achieve ambitious goals.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
6	Kearney	Exact match	Chicago, IL, United StatesHQ recorded Sep 21, 2026	5,001-10,000	6,978 contacts →
	Exact match “As one of the original firms, we’ve never lost sight of the fact that consulting is a people business.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
7	L.E.K. Consulting	Exact match	Boston, MA, United StatesHQ recorded Sep 21, 2026	1,001-5,000	4,093 contacts →
	Exact match “L.E.K.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
8	DAI	Exact match	Bethesda, MD, United StatesHQ recorded Sep 21, 2026	5,001-10,000	3,741 contacts →
	Exact match “DAI is an integrated professional services and advisory firm that provides project design and delivery, management consulting, and financial services to companies, investors, and…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
9	Alixpartners	Exact match	New York, NY, United StatesHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
10	VEE Technologies	Exact match	Decatur, GA, United StatesHQ recorded Sep 21, 2026	5,001-10,000	2,933 contacts →
	Exact match “Vee Technologies is a global consulting and professional services organization delivering specialized, technology-enabled solutions.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
11	Gspann Technologies, INC	Exact match	Milpitas, CA, United StatesHQ recorded Sep 21, 2026	1,001-5,000	1,878 contacts →
	Exact match “GSPANN is a US-based consulting services provider focused on implementations in Enterprise Content Management (ECM), Business Intelligence & Mobile Solutioning initiatives.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
12	Davey Resource Group, INC	Exact match	Kent, OH, United StatesHQ recorded Sep 21, 2026	1,001-5,000	1,395 contacts →
	Exact match “Davey Resource Group, Inc.(DRG) provides innovative consulting and field services that support utility infrastructure and environmental stewardship.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
13	Trace3	Exact match	Irvine, CA, United StatesHQ recorded Sep 21, 2026	1,001-5,000	1,345 contacts →
	Exact match “Trace3 delivers business transformation.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
14	Ardurra	Exact match	Miami, FL, United StatesHQ recorded Sep 21, 2026	1,001-5,000	1,260 contacts →
	Exact match “Expertly balancing experience and innovation to deliver unique solutions to public and private clients.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
15	Neudesic, An IBM Company	Exact match	Irvine, CA, United StatesHQ recorded Sep 21, 2026	1,001-5,000	1,239 contacts →
	Exact match “Neudesic, an IBM Company, is a global professional services firm dedicated to advancing businesses with our Microsoft technology expertise.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
16	Riveron	Exact match	Dallas, TX, United StatesHQ recorded Sep 21, 2026	1,001-5,000	1,160 contacts →
	Exact match “With over 1,200 professionals across 18 international offices, Riveron delivers tailored solutions for CFOs, private equity firms, and key stakeholders.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
17	W3global	Exact match	Frisco, TX, United StatesHQ recorded Sep 21, 2026	501-1,000	1,149 contacts →
	Exact match “W3Global is a leading provider of end-to-end consulting services, empowering businesses to achieve their strategic goals and optimize their operations.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
18	Rubinbrown LLP	Exact match	St. Louis, MO, United StatesHQ recorded Sep 21, 2026	501-1,000	1,056 contacts →
	Exact match “RubinBrown provides unmatched service to closely held and publicly traded companies in specialized market sectors as well as non-profit and public sector organizations.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19	Eliassen Group	Exact match	Reading, MA, United StatesHQ recorded Sep 21, 2026	1,001-5,000	917 contacts →
	Exact match “Eliassen Group is a strategic consulting firm that helps organizations achieve more through technology, business advisory, and life sciences solutions.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
20	Systems Engineering Services Corporation Sesc	Exact match	Reston, VA, United StatesHQ recorded Sep 21, 2026	201-500	747 contacts →
	Exact match “Systems Engineering Services Corporation (SESC), founded in 1989, is a leading provider of technology solutions to Fortune companies and government organizations.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
21	Mobilecomm Professionals, INC	Exact match	Richardson, TX, United StatesHQ recorded Sep 21, 2026	501-1,000	706 contacts →
	Exact match “MobileComm is now fully integrated with UST.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
22	The Cadmus Group	Exact match	Arlington, OR, United StatesHQ recorded Sep 21, 2026	1,001-5,000	700 contacts →
	Exact match “Cadmus is a technology-empowered global strategic consulting firm that helps clients achieve their goals through transformative digital solutions and expertise across domains.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
23	ERG	Exact match	Concord, MA, United StatesHQ recorded Sep 21, 2026	501-1,000	663 contacts →
	Exact match “ERG is a multidisciplinary consulting firm offering a broad range of professional services.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
24	Prophet	Exact match	San Francisco, CA, United StatesHQ recorded Sep 21, 2026	501-1,000	661 contacts →
	Exact match “Prophet is the Uncommon Growth Company-accelerating impact for business and marketing leaders through consulting, experience, and creative services.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
25	Point B	Exact match	Seattle, WA, United StatesHQ recorded Sep 21, 2026	501-1,000	656 contacts →
	Exact match “At Point B, we help organizations adapt and thrive in a world that refuses to stand still.” Recorded in the RevenueBase company graph · Sep 21, 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 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 7,376 big consulting firms based in the United States

See the full list, filter by size, metro and specialty, and access 87,189 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Big consulting firms based in the United States at a glance

As of Sep 21, 2026

35.8%Verified-email coverage

33.0Average contacts per company

1-10Median size (employees)

4.5%Largest-city concentration · New York

Sep 21, 2026Page data refreshed

Companies by employee count

1-10

4,438

11-50

1,858

51-200

777

201-500

183

501-1,000

1,001-5,000

5,001-10,000

10001+

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 7,376 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 the United States whose business descriptions match “big 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 87,189 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 21, 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 consulting firms by metro

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

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

RevenueBase identified 7,376 company matches for big consulting firms associated with the 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 has the most big consulting firms?

New York leads with 335 company records, followed by Washington (224) and Chicago (195).

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 87,189 professional contacts with verified work emails tracked across these 7,376 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 21, 2026.

Ready to reach these companies? Verified emails and direct dials for all 7,376 big consulting firms based in the United States. Start with a free account, no credit card.

Download this list →

Related lists

Big consulting firms by geography

Browse the directory

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.