Company lists · Data verified August 2026

Top 25 Change management consulting companies based in Chicago, United States

Name: Change management consulting companies based in Chicago, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 271 companies tracked

This directory lists 271 change management consulting companies based in Chicago, United States, with 9,982 business contacts and 4,174 email addresses as of August 2026. New York is the single most-represented city among the companies on the list. Buyers can use the directory to identify providers, while sales teams can use it for account research and outreach.

Change management consulting companies help organizations plan and carry out the people, process, and communications work needed to adopt organizational changes. This list covers companies that provide consulting services for planning, communicating, implementing, or sustaining organizational change. Ranked by team size, largest first. Data current as of August 28, 2026.

271Companies

9,982Contacts tracked

4,174Verified emails

1,414Mobile numbers

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The 25 largest change management consulting companies based in Chicago, United States

Ranked by team size

Top 25 of 271 change management consulting companies based in Chicago, 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	Bearingpoint	Chicago, IL	5,001-10,000	8,162	3,341
2	Aarete	Chicago, IL	201-500	538	432
3	Diamond Management & Technology Consultants	Chicago, IL	501-1,000	115	3
4	Aberdeen Advisors LLC	Chicago, IL	51-200	84	56
5	Silverman Consulting	Chicago, IL	11-50	42	24
6	Voyage Advisory	Chicago, IL	11-50	34	18
7	Revel Labs	Chicago, IL	11-50	31	18
8	ICF Olson	Chicago, IL	501-1,000	30	3
9	Source Consulting Group	Chicago, IL	11-50	29	27
10	Daniels Consulting Group DCG	Chicago, IL	11-50	27	17
11	Stimulus	Chicago, IL	11-50	25	13
12	Blue Star Partners	Chicago, IL	11-50	19	11
13	The Grossman Group	Chicago, IL	11-50	18	11
14	The Maude Group	Chicago, IL	11-50	18	11
15	Market Strategy Group	Chicago	11-50	16	7
16	TSI	Chicago, IL	11-50	16	6
17	Partnersolve LLC	Chicago, IL	11-50	14	5
18	Lake Shore Associates, INC	Chicago, IL	11-50	13	6
19	Kanvic Consulting	Chicago	11-50	12	7
20	Alma Advisory Group	Chicago, IL	11-50	11	9
21	Brentwood Advisory Group	Chicago, IL	11-50	11	7
22	Thredpartners	Chicago	11-50	10	7
23	Lamarsh Global	Chicago, IL	11-50	10	2
24	AEG Partners	Chicago, IL	11-50	9	4
25	NSP & Company	Chicago, IL	11-50	7	2

Showing 25 of 271 change management consulting companies based in Chicago, United States

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Change management consulting companies based in Chicago, United States at a glance

As of Aug 28, 2026

1-10Median size (employees)

New YorkLargest hub · 591 HQs

1,414Contacts with mobile numbers

25Emails re-verified in last 30 days

Companies by employee count

1-10

211

11-50

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

Change management consulting companies by metro in the United States

Metro	Companies
Change management consulting companies in New York	591
Change management consulting companies in Atlanta	443
Change management consulting companies in Chicago	420
Change management consulting companies in Houston	362
Change management consulting companies in Washington	321
Change management consulting companies in Los Angeles	284
Change management consulting companies in Dallas	240

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 companies”, with match quality audited by blind human judging, and headquartered in Chicago, 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; 25 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 companies are in the directory?

The directory includes 271 change management consulting companies based in Chicago, United States, current as of August 2026.

Where are the most change management consulting companies located?

New York is the single most-represented city among the companies on the list.

How can I find contacts at change management consulting companies?

The directory provides 9,982 contacts and 4,174 email addresses associated with the listed companies.

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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.