Company lists · Data verified August 2026

Top 25 Board governance consulting firms based in the United States

Name: Board governance 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 841 companies tracked

There are 841 board governance consulting firms headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 3,719 professional contacts across them, including 1,459 with verified work emails and 1,936 with mobile numbers. New York is the largest hub.

This list covers board governance 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.

841Companies

3,719Contacts tracked

1,459Verified emails

1,936Mobile numbers

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The 25 largest board governance consulting firms based in the United States

Ranked by team size

Top 25 of 841 board governance 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	Isaacson, Miller	Boston, MA	201-500	246	185
2	Government Services Group	Nationwide	1,001-5,000	121	4
3	Meridian Compensation Partners, LLC	Dallas, TX	51-200	115	89
4	Semler Brossy	Los Angeles, CA	51-200	110	84
5	Schultz & Williams	Philadelphia, PA	51-200	82	65
6	Chapmancg	Atlanta	51-200	71	38
7	Boardsource	Washington, DC	11-50	53	18
8	Capitol Hill Management Services, INC	Raleigh, NC	11-50	52	35
9	Carter, Advancing Philanthropy Worldwide	Vero Beach, FL	11-50	43	38
10	Valtas	Bellevue, WA	11-50	40	27
11	Farient Advisors LLC	Louisville, KY	11-50	27	21
12	Howard Fischer Associates	Cupertino, CA	11-50	25	13
13	Clearbridge Compensation Group	New York, NY	11-50	24	16
14	Jamesdrurypartners	Chicago, IL	11-50	23	17
15	Exequity	Libertyville, IL	11-50	22	17
16	Inspire INC	New York City, NY	201-500	22	8
17	Rich Talent Group	San Francisco, CA	11-50	20	11
18	Dunleavy & Associates	Blue Bell, PA	11-50	19	12
19	Mersky, Jaffe & Associates MJA	Minneapolis, MN	11-50	18	10
20	Boardspan INC	San Francisco, CA	11-50	17	13
21	Amplify Partners Consultants And Advisers	New York, NY	11-50	16	15
22	Phillips Oppenheim	York	11-50	16	11
23	Roundtable Strategy Advisors	Boston, MA	51-200	14	5
24	Integrated Compliance Advisors, LTD	Boulder, CO	11-50	13	9
25	Creo Advisors LLC	Boston, MA	11-50	12	9

Showing 25 of 841 board governance consulting firms based in the United States

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Board governance consulting firms based in the United States at a glance

As of Aug 28, 2026

1-10Median size (employees)

New YorkLargest hub · 58 HQs

1,936Contacts with mobile numbers

8Emails re-verified in last 30 days

Companies by employee count

1-10

724

11-50

51-200

201-500

501-1,000

1,001-5,000

Board governance consulting firms by metro

Metro	Companies
Board governance consulting firms in New York	58
Board governance consulting firms in Chicago	36
Board governance consulting firms in Washington	25
Board governance consulting firms in San Francisco	20
Board governance consulting firms in Atlanta	19
Board governance consulting firms in Seattle	18
Board governance consulting firms in Boston	14

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 “board governance 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; 8 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 board governance consulting firms are there based in the United States?

There are 841 board governance consulting firms headquartered in the United States as of August 2026 (RevenueBase).

What is the largest company on this list?

Isaacson, Miller, headquartered in Boston, tops this list with the largest team on record.

Which city has the most board governance consulting firms?

New York leads with 58 headquartered companies, followed by Chicago (36) and Washington (25).

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 1,459 verified decision-maker contacts tracked across these 841 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.