Company lists · Data refreshed September 2026

Top 25 Nonprofit governance consultants based in the United States

Name: Nonprofit governance consultants based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 20, 2026 1,411 companies tracked

RevenueBase identified 1,411 nonprofit governance consultants headquartered in 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 nonprofit governance consultants headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 20, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 20, 2026 86% judged on-target in blind review

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 nonprofit governance consultants based in the United States, ranked by team size, largest first. Data refreshed Sep 20, 2026. RevenueBase Smart Search rates how each company's information relates to nonprofit governance consultants: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Isaacson, Miller	Indirect evidence	Boston, MA, United StatesHQ checked Sep 20, 2026	201-500	250 contacts →
	Indirect evidence “Isaacson, Miller is one of the nation's premier executive search firms serving organizations that advance the public good.” Source: RevenueBase Database · checked Sep 20, 2026
2	M R	Indirect evidence	Washington, United StatesHQ checked Sep 20, 2026	51-200	208 contacts →
	Indirect evidence “We are M+R.” Source: RevenueBase Database · checked Sep 20, 2026
3	Amphil	Partial evidence	Oak Park, IL, United StatesHQ checked Sep 20, 2026	51-200	136 contacts →
	Partial evidence “AmPhil exists to promote the art of civil association by helping philanthropists, charitable foundations, and nonprofit organizations grow and flourish through practical guidance…” Source: RevenueBase Database · checked Sep 20, 2026
4	BWF	Partial evidence	Usa, United StatesHQ checked Sep 20, 2026	51-200	125 contacts →
	Partial evidence “BWF Zuri is the nonprofit sector’s most comprehensive fundraising consulting company, helping organizations thrive in a rapidly changing landscape.” Source: RevenueBase Database · checked Sep 20, 2026
5	Campbell & Company	Partial evidence	Chicago, IL, United StatesHQ checked Sep 20, 2026	51-200	102 contacts →
	Partial evidence “Campbell & Company is a national nonprofit consulting firm that helps organizations create greater impact through fundraising, communications and strategic information services.” Source: RevenueBase Database · checked Sep 20, 2026
6	Schultz & Williams	Partial evidence	Philadelphia, PA, United StatesHQ checked Sep 20, 2026	51-200	83 contacts →
	Partial evidence “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…” Source: RevenueBase Database · checked Sep 20, 2026
7	Empower Success Corps	Partial evidence	Boston, MA, United StatesHQ checked Sep 20, 2026	51-200	74 contacts →
	Partial evidence “At ESC, our mission is to empower nonprofits to achieve their goals & contribute to a more just and equitable world.” Source: RevenueBase Database · checked Sep 20, 2026
8	Kiwi Partners	Partial evidence	New York, NY, United StatesHQ checked Sep 20, 2026	51-200	72 contacts →
	Partial evidence “Kiwi Partners delivers exceptional Accounting, Consulting Services, and HR services to the nonprofit community.” Source: RevenueBase Database · checked Sep 20, 2026
9	Freedman Consulting, LLC	Partial evidence	Washington, DC, United StatesHQ checked Sep 20, 2026	11-50	61 contacts →
	Partial evidence “Freedman Consulting, LLC, a mission-driven firm, offers strategic consulting services to foundations, nonprofit organizations, and public interest coalitions, advising many of the…” Source: RevenueBase Database · checked Sep 20, 2026
10	Cedarstone	Partial evidence	Wheaton, IL, United StatesHQ checked Sep 20, 2026	51-200	59 contacts →
	Partial evidence “We began as one friend helping another establish a nonprofit in 1993.” Source: RevenueBase Database · checked Sep 20, 2026
11	Graham-Pelton	Partial evidence	New York, NY, United StatesHQ checked Sep 20, 2026	51-200	59 contacts →
	Partial evidence “Graham-Pelton is the fundraising consulting firm chosen by leading nonprofits worldwide.” Source: RevenueBase Database · checked Sep 20, 2026
12	The Focus Group	Partial evidence	St Augustine, FL, United StatesHQ checked Sep 20, 2026	11-50	57 contacts →
	Partial evidence “Founded in 1982, The FOCUS Group has served nonprofits for nearly four decades.” Source: RevenueBase Database · checked Sep 20, 2026
13	Dickersonbakker	Partial evidence	Raleigh, NC, United StatesHQ checked Sep 20, 2026	11-50	56 contacts →
	Partial evidence “We help nonprofits amplify their impact to create more good in the world.” Source: RevenueBase Database · checked Sep 20, 2026
14	Carey & CO	Partial evidence	New York City, NY, United StatesHQ checked Sep 20, 2026	51-200	55 contacts →
	Partial evidence “Carey & Co helps nonprofits grow by providing outsourced financial leadership and services that support efficient operations, transparent finances, and strategic decision-making.” Source: RevenueBase Database · checked Sep 20, 2026
15	Boardsource	Partial evidence	Washington, DC, United StatesHQ checked Sep 20, 2026	11-50	53 contacts →
	Partial evidence “BoardSource envisions a future where the nonprofit community has the leadership to fulfill its purpose and create a just world where all can thrive.” Source: RevenueBase Database · checked Sep 20, 2026
16	Executive Service Corps Of Southern California	Partial evidence	Los Angeles, CA, United StatesHQ checked Sep 20, 2026	51-200	51 contacts →
	Partial evidence “ESC provides high-quality, accessible coaching and consulting services for nonprofits throughout Southern California.” Source: RevenueBase Database · checked Sep 20, 2026
17	Financial ONE Accounting INC	Partial evidence	Plymouth, MI, United StatesHQ checked Sep 20, 2026	51-200	50 contacts →
	Partial evidence “Formed in 1987, Financial One was founded because of the need nonprofit organizations have for accurate and timely financial information.” Source: RevenueBase Database · checked Sep 20, 2026
18	Coxe Curry & Associates	Partial evidence	Atlanta, GA, United StatesHQ checked Sep 20, 2026	11-50	49 contacts →
	Partial evidence “Coxe Curry & Associates is the Atlanta consulting firm creating the strategies and connections that help nonprofits thrive.” Source: RevenueBase Database · checked Sep 20, 2026
19	Brytebridge Nonprofit Solutions	Indirect evidence	Winter Park, FL, United StatesHQ checked Sep 20, 2026	11-50	48 contacts →
	Indirect evidence “At BryteBridge, we are on a Mission to Empower dreamers and doers to build organizations that positively impact their communities.” Source: RevenueBase Database · checked Sep 20, 2026
20	Armstrong Mcguire & Associates	Partial evidence	Raleigh, NC, United StatesHQ checked Sep 20, 2026	11-50	46 contacts →
	Partial evidence “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…” Source: RevenueBase Database · checked Sep 20, 2026
21	Carter, Advancing Philanthropy Worldwide	Partial evidence	Vero Beach, FL, United StatesHQ checked Sep 20, 2026	11-50	43 contacts →
	Partial evidence “Co-founded by Bob Carter and Steve Higgins in 2011, Carter selects its team members from the nation’s most respected nonprofit professionals.” Source: RevenueBase Database · checked Sep 20, 2026
22	Benefactor Group	Indirect evidence	Columbus, OH, United StatesHQ checked Sep 20, 2026	11-50	42 contacts →
	Indirect evidence “Serving those who serve the common good.™ Fuel your cause with powerful fundraising, people, and systems.” Source: RevenueBase Database · checked Sep 20, 2026
23	Valtas	Indirect evidence	Bellevue, WA, United StatesHQ checked Sep 20, 2026	11-50	40 contacts →
	Indirect evidence “Valtas stands for a shift or pivot forward.” Source: RevenueBase Database · checked Sep 20, 2026
24	Support Center For Nonprofit Management	Partial evidence	New York, NY, United StatesHQ checked Sep 20, 2026	n/a	40 contacts →
	Partial evidence “Support Center is a nonprofit capacity building organization created as part of an international network of management support organizations (Support Centers of America)…” Source: RevenueBase Database · checked Sep 20, 2026
25	Propel Nonprofits	Partial evidence	Minneapolis, MN, United StatesHQ checked Sep 20, 2026	11-50	37 contacts →
	Partial evidence “Our mission is to fuel the impact and effectiveness of nonprofits with guidance, expertise, and capital.” Source: RevenueBase Database · checked Sep 20, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: nonprofit governance consultants. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names nonprofit governance consultants.
Partial evidence: Its own public description names part of nonprofit governance consultants, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name nonprofit governance consultants. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

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

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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)

5.0%Largest-city concentration · New York

Sep 20, 2026Page data refreshed

Companies by employee count

1-10

1,245

11-50

139

51-200

201-500

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

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among nonprofit governance consultants, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in the United States whose own description of what they do matches “nonprofit governance consultants”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names nonprofit governance consultants), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among nonprofit governance consultants, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 2,992 across the full list. 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.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Nonprofit governance consultants by metro

Nonprofit governance consultants in New York70
Nonprofit governance consultants in Chicago56
Nonprofit governance consultants in Washington47
Nonprofit governance consultants in Atlanta34
Nonprofit governance consultants in Seattle28
Nonprofit governance consultants in San Francisco26

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names nonprofit governance consultants, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

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

RevenueBase identified 1,411 nonprofit governance consultants headquartered in the United States as of September 2026, matched on each company's own description of what it does rather than its industry code.

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 nonprofit governance consultants?

New York leads with 70 headquartered companies, 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 the top results, verified emails and direct dials included. Upgrading unlocks all 2,992 verified decision-maker contacts tracked across these 1,411 companies.

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 Smart Search, 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.