Company lists · Data verified August 2026

Top 25 Consulting firms based in the United States

Name: 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 76,478 companies tracked

There are 76,478 consulting firms headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 945,303 professional contacts across them, including 359,244 with verified work emails and 320,866 with mobile numbers. New York is the largest hub.

This list covers 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.

76,478Companies

945,303Contacts tracked

359,244Verified emails

320,866Mobile numbers

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The 25 largest consulting firms based in the United States

Ranked by team size

Top 25 of 76,478 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	WSP In The U.S	New York, NY	10001+	9,318	5,535
8	Deloitte Digital	Denver, CO	10001+	7,701	2,261
9	CBIZ	Dallas, TX	10001+	6,357	3,858
10	Strategy	New York, NY	1,001-5,000	5,135	2,060
11	PA Consulting	Denver, CO	1,001-5,000	4,954	2,783
12	L.E.K. Consulting	Atlanta, GA	1,001-5,000	4,059	2,133
13	Heidrick & Struggles	Chicago, IL	1,001-5,000	3,363	1,552
14	Genpact Headstrong Capital Markets	Reston, VA	10001+	3,102	3
15	Cherry Bekaert	Jeffersonville, IN	1,001-5,000	2,848	1,456
16	Uhy-Us	New York, NY	1,001-5,000	2,030	1,169
17	North Highland	New York, NY	1,001-5,000	1,837	817
18	Alera Group, INC	Deerfield, IL	1,001-5,000	1,669	1,187
19	Argano	Plano, TX	1,001-5,000	1,581	1,114
20	Trace3	Phoenix, AZ	1,001-5,000	1,336	990
21	Atwell, LLC	Ann Arbor, MI	1,001-5,000	1,291	771
22	Ardurra	Flagstaff, AZ	1,001-5,000	1,248	892
23	Bge, INC	Vero Beach, FL	1,001-5,000	1,129	682
24	Eliassen Group	Catonsville, MD	1,001-5,000	960	457
25	Pacific Group Of Companies	Irvine, CA	1,001-5,000	801	49

Showing 25 of 76,478 consulting firms based in the United States

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Consulting firms based in the United States at a glance

As of Aug 28, 2026

1-10Median size (employees)

New YorkLargest hub · 3769 HQs

320,866Contacts with mobile numbers

1855Emails re-verified in last 30 days

Companies by employee count

1-10

57,283

11-50

14,082

51-200

3,690

201-500

767

501-1,000

249

1,001-5,000

191

10001+

Consulting firms by metro

Metro	Companies
Consulting firms in New York	3769
Consulting firms in Chicago	1869
Consulting firms in Atlanta	1817
Consulting firms in Los Angeles	1544
Consulting firms in Houston	1544
Consulting firms in Washington	1275
Consulting firms in Dallas	1187

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 “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; 1855 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 consulting firms are there based in the United States?

There are 76,478 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 consulting firms?

New York leads with 3769 headquartered companies, followed by Chicago (1869) and Atlanta (1817).

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 359,244 verified decision-maker contacts tracked across these 76,478 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.