Company lists · Data verified August 2026

Top 25 Change management consulting firms based in the United States

Name: Change management 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 14,620 companies tracked

There are 14,620 change management consulting firms headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 110,316 professional contacts across them, including 42,561 with verified work emails and 39,672 with mobile numbers. New York is the largest hub.

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

14,620Companies

110,316Contacts tracked

42,561Verified emails

39,672Mobile numbers

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The 25 largest change management consulting firms based in the United States

Ranked by team size

Top 25 of 14,620 change management 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	Wavestone	New York	1,001-5,000	6,248	3,772
2	ETEAM	Elk Grove, CA	n/a	3,271	1,368
3	HR Path	Aurora, IL	1,001-5,000	2,333	790
4	Baringa	New York, NY	1,001-5,000	2,198	1,548
5	North Highland	New York, NY	1,001-5,000	1,837	817
6	Trace3	Phoenix, AZ	1,001-5,000	1,336	990
7	The Vertex Companies LLC	Oregon, OR	501-1,000	758	465
8	Newfront	San Francisco, CA	501-1,000	726	555
9	Mobilecomm Professionals, INC	Richardson, TX	501-1,000	707	120
10	Prophet	Austin, TX	501-1,000	656	451
11	Point B	Denver, CO	501-1,000	650	313
12	SEI	Philadelphia, PA	501-1,000	611	513
13	Solomonedwards	Wayne, PA	1,001-5,000	566	179
14	Salo, A Korn Ferry Company	Denver, CO	501-1,000	417	19
15	ATLAS	Berkeley Heights, NJ	501-1,000	378	41
16	KLB	Trenton, NJ	501-1,000	363	91
17	Wimmer Solutions	Seattle, WA	501-1,000	260	43
18	Accretive Solutions	Atlanta, GA	501-1,000	218	4
19	Metasys Technologies	Atlanta, GA	501-1,000	213	75
20	Accenture Solutionsiq	Redmond, WA	10001+	188	34
21	Anser Advisory	Santa Ana, CA	501-1,000	185	83
22	Epam Continuum	Boston, MA	1,001-5,000	127	74
23	Diamond Management & Technology Consultants	Chicago, IL	501-1,000	115	3
24	Veracity By RGP	Princeton, NJ	1,001-5,000	111	67
25	HBR Consulting	New York, NY	501-1,000	106	34

Showing 25 of 14,620 change management consulting firms based in the United States

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Change management consulting firms based in the United States at a glance

As of Aug 28, 2026

1-10Median size (employees)

New YorkLargest hub · 581 HQs

39,672Contacts with mobile numbers

235Emails re-verified in last 30 days

Companies by employee count

1-10

11,823

11-50

2,102

51-200

506

201-500

105

501-1,000

1,001-5,000

10001+

Change management consulting firms by metro

Metro	Companies
Change management consulting firms in New York	581
Change management consulting firms in Atlanta	416
Change management consulting firms in Chicago	411
Change management consulting firms in Houston	360
Change management consulting firms in Washington	298
Change management consulting firms in Los Angeles	280
Change management consulting firms in Dallas	238

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 “change management 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; 235 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 change management consulting firms are there based in the United States?

There are 14,620 change management consulting firms headquartered in the United States as of August 2026 (RevenueBase).

What is the largest company on this list?

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

Which city has the most change management consulting firms?

New York leads with 581 headquartered companies, followed by Atlanta (416) and Chicago (411).

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 42,561 verified decision-maker contacts tracked across these 14,620 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.