Company lists · Data verified August 2026

Top 25 Business consulting firms based in the United States

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 32,264 companies tracked

There are 32,264 business consulting firms headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 382,669 professional contacts across them, including 147,406 with verified work emails and 108,304 with mobile numbers. New York is the largest hub.

This list covers business 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. Data current as of August 28, 2026.

32,264Companies

382,669Contacts tracked

147,406Verified emails

108,304Mobile numbers

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The 25 largest business consulting firms based in the United States

Ranked by team size

Top 25 of 32,264 business consulting firms based in the United States, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	EXL	Jersey City, NJ	10001+	40,360	11,382
2	Boston Consulting Group BCG	Boston, MA	10001+	38,603	12,178
3	Bain & Company	Boston, MA	10001+	21,940	12,594
4	ZS	Philadelphia, PA	10001+	17,029	9,597
5	Alvarez & Marsal	New York, NY	10001+	12,992	10,022
6	Slalom	Walnut Creek, CA	10001+	9,963	7,651
7	Wavestone	New York	1,001-5,000	6,248	3,772
8	Strategy	New York, NY	1,001-5,000	5,135	2,060
9	L.E.K. Consulting	Atlanta, GA	1,001-5,000	4,059	2,133
10	Armanino	St Charles, MO	1,001-5,000	2,952	1,886
11	SIA	Atlanta, GA	1,001-5,000	2,937	1,487
12	Baringa	New York, NY	1,001-5,000	2,198	1,548
13	J.S. Held LLC	Jericho, NY	1,001-5,000	1,924	1,383
14	North Highland	New York, NY	1,001-5,000	1,837	817
15	Argano	Plano, TX	1,001-5,000	1,581	1,114
16	Trace3	Phoenix, AZ	1,001-5,000	1,336	990
17	Ardurra	Flagstaff, AZ	1,001-5,000	1,248	892
18	Riveron	Miami, FL	1,001-5,000	1,145	846
19	Eliassen Group	Catonsville, MD	1,001-5,000	960	457
20	Turnberry Solutions	Minneapolis, MN	1,001-5,000	788	372
21	Lucas Group	Los Angeles, CA	10001+	765	19
22	The Cadmus Group	Santa Monica, CA	1,001-5,000	714	374
23	Volansys An ACL Digital Company	Dallas, TX	1,001-5,000	590	246
24	Solomonedwards	Wayne, PA	1,001-5,000	566	179
25	Legacy Grant Thornton Public Sector NOW Guidehouse	Alexandria, VA	10001+	179	100

Showing 25 of 32,264 business consulting firms based in the United States

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Business consulting firms based in the United States at a glance

As of Aug 28, 2026

1-10Median size (employees)

New YorkLargest hub · 1528 HQs

108,304Contacts with mobile numbers

781Emails re-verified in last 30 days

Companies by employee count

1-10

25,676

11-50

4,897

51-200

1,241

201-500

230

501-1,000

1,001-5,000

10001+

Business consulting firms by metro

Metro	Companies
Business consulting firms in New York	1528
Business consulting firms in Chicago	845
Business consulting firms in Atlanta	830
Business consulting firms in Houston	716
Business consulting firms in Los Angeles	654
Business consulting firms in Washington	562
Business consulting firms in Dallas	528

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “business consulting firms”, with match quality audited by blind human judging, and headquartered in the United States.
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: Contact records re-verify on a rolling cadence; 781 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

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

There are 32,264 business consulting firms headquartered in the United States as of August 2026 (RevenueBase).

What is the largest company on this list?

EXL, headquartered in Jersey City, tops this list with the largest team on record.

Which city has the most business consulting firms?

New York leads with 1528 headquartered companies, followed by Chicago (845) and Atlanta (830).

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 147,406 verified decision-maker contacts tracked across these 32,264 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.