Company lists · Data refreshed September 2026

Top 25 Nonprofit governance consultants based in the United States

RevenueBase identified 1,411 company matches for nonprofit governance consultants associated with the United States as of September 2026 and tracks 14,647 professional contacts across them, including 2,992 with verified work emails. New York is the largest hub.

This list covers company matches for nonprofit governance consultants associated with the United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 20, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 20, 2026 How this list was built
1,411Companies
14,647Contacts tracked
2,992Verified emails
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The 25 largest nonprofit governance consultants based in the United States

Ranked by team size
Top 25 of 1,411 company matches for nonprofit governance consultants based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 20, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchBoston, MA, United StatesHQ recorded Sep 20, 2026201-500250 contacts →

Exact match

“Isaacson, Miller is one of the nation's premier executive search firms serving organizations that advance the public good.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
2Exact matchWashington, United StatesHQ recorded Sep 20, 202651-200208 contacts →

Exact match

“We are M+R.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
3Exact matchOak Park, IL, United StatesHQ recorded Sep 20, 202651-200136 contacts →

Exact match

“AmPhil exists to promote the art of civil association by helping philanthropists, charitable foundations, and nonprofit organizations grow and flourish through practical guidance…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
4Exact matchUsa, United StatesHQ recorded Sep 20, 202651-200125 contacts →

Exact match

“BWF Zuri is the nonprofit sector’s most comprehensive fundraising consulting company, helping organizations thrive in a rapidly changing landscape.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
5Exact matchChicago, IL, United StatesHQ recorded Sep 20, 202651-200102 contacts →

Exact match

“Campbell & Company is a national nonprofit consulting firm that helps organizations create greater impact through fundraising, communications and strategic information services.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
6Exact matchPhiladelphia, PA, United StatesHQ recorded Sep 20, 202651-20083 contacts →

Exact match

“Schultz & Williams is a national consulting firm dedicated to helping nonprofits of all types and sizes achieve financial stability, meet organizational goals, and support greater…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
7Exact matchBoston, MA, United StatesHQ recorded Sep 20, 202651-20074 contacts →

Exact match

“At ESC, our mission is to empower nonprofits to achieve their goals & contribute to a more just and equitable world.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
8Exact matchNew York, NY, United StatesHQ recorded Sep 20, 202651-20072 contacts →

Exact match

“Kiwi Partners delivers exceptional Accounting, Consulting Services, and HR services to the nonprofit community.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
9Exact matchWashington, DC, United StatesHQ recorded Sep 20, 202611-5061 contacts →

Exact match

“Freedman Consulting, LLC, a mission-driven firm, offers strategic consulting services to foundations, nonprofit organizations, and public interest coalitions, advising many of the…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
10Exact matchWheaton, IL, United StatesHQ recorded Sep 20, 202651-20059 contacts →

Exact match

“We began as one friend helping another establish a nonprofit in 1993.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
11Exact matchNew York, NY, United StatesHQ recorded Sep 20, 202651-20059 contacts →

Exact match

“Graham-Pelton is the fundraising consulting firm chosen by leading nonprofits worldwide.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
12Exact matchSt Augustine, FL, United StatesHQ recorded Sep 20, 202611-5057 contacts →

Exact match

“Founded in 1982, The FOCUS Group has served nonprofits for nearly four decades.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
13Exact matchRaleigh, NC, United StatesHQ recorded Sep 20, 202611-5056 contacts →

Exact match

“We help nonprofits amplify their impact to create more good in the world.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
14Exact matchNew York, NY, United StatesHQ recorded Sep 20, 202651-20055 contacts →

Exact match

“Carey & Co helps nonprofits grow by providing outsourced financial leadership and services that support efficient operations, transparent finances, and strategic decision-making.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
15Exact matchWashington, DC, United StatesHQ recorded Sep 20, 202611-5053 contacts →

Exact match

“BoardSource envisions a future where the nonprofit community has the leadership to fulfill its purpose and create a just world where all can thrive.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
16Exact matchLos Angeles, CA, United StatesHQ recorded Sep 20, 202651-20051 contacts →

Exact match

“ESC provides high-quality, accessible coaching and consulting services for nonprofits throughout Southern California.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
17Exact matchPlymouth, MI, United StatesHQ recorded Sep 20, 202651-20050 contacts →

Exact match

“Formed in 1987, Financial One was founded because of the need nonprofit organizations have for accurate and timely financial information.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
18Exact matchAtlanta, GA, United StatesHQ recorded Sep 20, 202611-5049 contacts →

Exact match

“Coxe Curry & Associates is the Atlanta consulting firm creating the strategies and connections that help nonprofits thrive.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
19Exact matchWinter Park, FL, United StatesHQ recorded Sep 20, 202611-5048 contacts →

Exact match

“At BryteBridge, we are on a Mission to Empower dreamers and doers to build organizations that positively impact their communities.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
20Exact matchRaleigh, NC, United StatesHQ recorded Sep 20, 202611-5046 contacts →

Exact match

“As nonprofit leaders, you have to stay agile and resilient to remain profitable, sustainable, and ahead-always ensuring that growth equals funding, and that funding equals…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
21Exact matchVero Beach, FL, United StatesHQ recorded Sep 20, 202611-5043 contacts →

Exact match

“Co-founded by Bob Carter and Steve Higgins in 2011, Carter selects its team members from the nation’s most respected nonprofit professionals.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
22Exact matchColumbus, OH, United StatesHQ recorded Sep 20, 202611-5042 contacts →

Exact match

“Serving those who serve the common good.™ Fuel your cause with powerful fundraising, people, and systems.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
23Exact matchBellevue, WA, United StatesHQ recorded Sep 20, 202611-5040 contacts →

Exact match

“Valtas stands for a shift or pivot forward.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
24Exact matchNew York, NY, United StatesHQ recorded Sep 20, 2026n/a40 contacts →

Exact match

“Support Center is a nonprofit capacity building organization created as part of an international network of management support organizations (Support Centers of America)…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
25Exact matchMinneapolis, MN, United StatesHQ recorded Sep 20, 202611-5037 contacts →

Exact match

“Our mission is to fuel the impact and effectiveness of nonprofits with guidance, expertise, and capital.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase

Showing 25 of 1,411 nonprofit governance consultants based in the United States

See the full list, filter by size, metro and specialty, and access 2,992 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Nonprofit governance consultants based in the United States at a glance

As of Sep 20, 2026
20.4%Verified-email coverage
10.4Average contacts per company
1-10Median size (employees)
5.2%Largest-city concentration · New York
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
1,245
11-50
139
51-200
21
201-500
5

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 1,411 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with the United States whose business descriptions match “nonprofit governance consultants” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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
Every displayed company carries at least one verified work email. RevenueBase tracks 2,992 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 20, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “nonprofit governance consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many nonprofit governance consultants are there based in the United States?

RevenueBase identified 1,411 company matches for nonprofit governance consultants associated with the United States as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Isaacson, Miller tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most nonprofit governance consultants?

New York leads with 74 company records, followed by Chicago (56) and Washington (47).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 2,992 professional contacts with verified work emails tracked across these 1,411 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 20, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 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 with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.