Company lists · Data refreshed September 2026

Top 25 Nonprofit governance consulting firms worldwide

RevenueBase identified 5,805 nonprofit governance consulting firms worldwide as of September 2026 and tracks 39,273 professional contacts across them, including 10,001 with verified work emails. The United States is the largest market and New York the largest hub.

This list covers nonprofit governance consulting firms worldwide, 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 29, 2026. Country and city lists for nonprofit governance consulting firms follow the table.

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 29, 2026 86% judged on-target in blind review
5,805Companies
39,273Contacts tracked
10,001Verified emails
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The 25 largest nonprofit governance consulting firms worldwide

Ranked by team size
Top 25 of 5,805 nonprofit governance consulting firms worldwide, ranked by team size, largest first. Data refreshed Sep 29, 2026. RevenueBase Smart Search rates how each company's information relates to nonprofit governance consulting firms: 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.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Partial evidencePhiladelphia, PA, United StatesHQ checked Sep 29, 2026501-1,000775 contacts →

Partial evidence

“THE NONPROFIT ACCOUNTING SPECIALISTS.”

Source: RevenueBase Database · checked Sep 29, 2026
2Partial evidenceSydney, AustraliaHQ checked Sep 29, 2026201-500774 contacts →

Partial evidence

“The Australian Institute of Company Directors (AICD) is a not-for-profit organisation with a mission to strengthen society through world-class governance.”

Source: RevenueBase Database · checked Sep 29, 2026
3Partial evidenceMilan, ItalyHQ checked Sep 29, 2026n/a535 contacts →

Partial evidence

“Consultant Corporate Governance and Project Management.”

Source: RevenueBase Database · checked Sep 29, 2026
4Partial evidenceWashington, DC, United StatesHQ checked Sep 29, 202610001+300 contacts →

Partial evidence

“Nonprofit HR was founded with one goal in mind: to strengthen the social impact sector by strengthening its people.”

Source: RevenueBase Database · checked Sep 29, 2026
5Strong evidenceChicago, IL, United StatesHQ checked Sep 29, 2026n/a265 contacts →

Strong evidence

“JCA is the first and foremost independent consulting firm dedicated to addressing the technology and operational needs of nonprofits.”

Source: RevenueBase Database · checked Sep 29, 2026
6Partial evidenceIndianapolis, IN, United StatesHQ checked Sep 29, 202651-200262 contacts →

Partial evidence

“As a national full-service accounting and advisory firm exclusively serving nonprofit organizations, CapinCrouse provides professional solutions to organizations whose outcomes…”

Source: RevenueBase Database · checked Sep 29, 2026
7Indirect evidenceBoston, MA, United StatesHQ checked Sep 29, 2026201-500250 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 29, 2026
8Partial evidenceWashington, DC, United StatesHQ checked Sep 29, 2026201-500227 contacts →

Partial evidence

“Arabella Advisors is a professional services firm that provides administrative, operational, and strategic support to nonprofits, foundations, and individual donors.”

Source: RevenueBase Database · checked Sep 29, 2026
9Indirect evidenceWashington, United StatesHQ checked Sep 29, 202651-200208 contacts →

Indirect evidence

“We are M+R.”

Source: RevenueBase Database · checked Sep 29, 2026
10Indirect evidenceNew York, NY, United StatesHQ checked Sep 29, 202651-200197 contacts →

Indirect evidence

“As certified public accountants and expert financial advisors, we empower non-profits to achieve their mission.”

Source: RevenueBase Database · checked Sep 29, 2026
11Indirect evidenceLeiden, NetherlandsHQ checked Sep 29, 202651-200195 contacts →

Indirect evidence

“De Kleine Consultant maakt Kleine Consultants en haar klanten groot door strategisch advies te bieden daar waar het de meeste waarde toevoegt.”

Source: RevenueBase Database · checked Sep 29, 2026
12Partial evidenceOak Park, IL, United StatesHQ checked Sep 29, 202651-200136 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 29, 2026
13Partial evidenceScarsdale, NY, United StatesHQ checked Sep 29, 202611-50131 contacts →

Partial evidence

“The Acceleration Project (TAP) is a nonprofit organization with a mission to unlock pathways to wealth creation and economic mobility by accelerating under-resourced small…”

Source: RevenueBase Database · checked Sep 29, 2026
14Strong evidenceUsa, United StatesHQ checked Sep 29, 202651-200125 contacts →

Strong 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 29, 2026
15Indirect evidenceNationwide, United StatesHQ checked Sep 29, 20261,001-5,000116 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 29, 2026
16Strong evidenceLake Forest, IL, United StatesHQ checked Sep 29, 202651-200114 contacts →

Strong evidence

“Meridian Compensation Partners provides the most effective solutions and independent advice in executive compensation and corporate governance consulting.”

Source: RevenueBase Database · checked Sep 29, 2026
17Partial evidenceMount Juliet, TN, United StatesHQ checked Sep 29, 202651-200112 contacts →

Partial evidence

“Our number one priority at JMT is to empower nonprofits to achieve their mission through optimized systems and processes.”

Source: RevenueBase Database · checked Sep 29, 2026
18Partial evidenceLos Angeles, CA, United StatesHQ checked Sep 29, 202651-200109 contacts →

Partial evidence

“Semler Brossy is a leading independent consulting firm.”

Source: RevenueBase Database · checked Sep 29, 2026
19Partial evidenceBend, OR, United StatesHQ checked Sep 29, 202651-200106 contacts →

Partial evidence

“Zuri Group partners with nonprofit organizations to turn big ideas into reality.”

Source: RevenueBase Database · checked Sep 29, 2026
20Indirect evidenceLondon, United KingdomHQ checked Sep 29, 202651-200104 contacts →

Indirect evidence

“Welcome to Sayer Vincent, experts in auditing and advising charities and social purpose organisations.”

Source: RevenueBase Database · checked Sep 29, 2026
21Strong evidenceChicago, IL, United StatesHQ checked Sep 29, 202651-200102 contacts →

Strong 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 29, 2026
22Strong evidenceNew Delhi, IndiaHQ checked Sep 29, 202651-200101 contacts →

Strong evidence

“Samagra is a mission-driven governance consulting firm.”

Source: RevenueBase Database · checked Sep 29, 2026
23Indirect evidenceToronto, ON, CanadaHQ checked Sep 29, 202651-200101 contacts →

Indirect evidence

“At KCI, we are a firm focused on values and people…both ours and yours.”

Source: RevenueBase Database · checked Sep 29, 2026
24Strong evidenceBangalore, IndiaHQ checked Sep 29, 202651-200100 contacts →

Strong evidence

“Vahura is India’s leading governance search and consulting firm.”

Source: RevenueBase Database · checked Sep 29, 2026
25Indirect evidenceWashington, DC, United StatesHQ checked Sep 29, 202651-20099 contacts →

Indirect evidence

“Orr Group was born out of a need for event management and fundraising support in the philanthropic sector.”

Source: RevenueBase Database · checked Sep 29, 2026

Showing 25 of 5,805 nonprofit governance consulting firms worldwide

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Nonprofit governance consulting firms worldwide at a glance

As of Sep 29, 2026
25.5%Verified-email coverage
6.8Average contacts per company
1-10Median size (employees)
2.3%Largest-city concentration · New York
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
5,001
11-50
660
51-200
118
201-500
12
501-1,000
6
1,001-5,000
1
10001+
3

Email recency is reported on each country list linked below.

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 consulting firms, 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.
Coverage
Every country. Country and city lists for nonprofit governance consulting firms are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “nonprofit governance consulting firms”. 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 consulting firms), 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 consulting firms, and records with no verified work email.
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, 10,001 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 29, 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 consulting firms by location

35 lists · largest first

Every Nonprofit governance consulting firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 consulting firms, 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 consulting firms are there worldwide?

RevenueBase identified 5,805 nonprofit governance consulting firms worldwide 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?

Your Part-Time Controller, LLC, headquartered in Philadelphia, tops this list with the largest team on record.

Which country has the most nonprofit governance consulting firms?

The United States leads with 2,853 companies, followed by Canada (271) and Australia (191). Every nonprofit governance consulting firms list by country and city is linked on this page.

Which city has the most nonprofit governance consulting firms?

New York leads with 136 headquartered companies, followed by Washington (129) and Chicago (109).

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 10,001 verified decision-maker contacts tracked across these 5,805 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 29, 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.