Company lists · Data refreshed September 2026

Top 25 Nonprofit management consulting firms worldwide

RevenueBase identified 23,423 company matches for nonprofit management consulting firms worldwide as of September 2026 and tracks 133,396 professional contacts across them, including 27,247 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for nonprofit management consulting firms worldwide, 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 21, 2026. Country and city lists for nonprofit management consulting firms follow the table.

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 21, 2026 How this list was built
23,423Companies
133,396Contacts tracked
27,247Verified emails
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The 25 largest nonprofit management consulting firms worldwide

Ranked by team size
Top 25 of 23,423 company matches for nonprofit management consulting firms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 21, 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 matchChicago, IL, United StatesHQ recorded Sep 21, 2026n/a4,751 contacts →

Exact match

“We help businesses and nonprofits grow, communicate, and succeed, professionally and affordably.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
2Exact matchLondon, United KingdomHQ recorded Sep 21, 2026201-5001,221 contacts →

Exact match

“Blackmont Consulting provides 100% free advisory services to NGO´s, NPO´s and start-ups.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
3Exact matchPhiladelphia, PA, United StatesHQ recorded Sep 21, 2026501-1,000775 contacts →

Exact match

“THE NONPROFIT ACCOUNTING SPECIALISTS.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
4Exact matchLos Angeles, CA, United StatesHQ recorded Sep 21, 202610001+756 contacts →

Exact match

“Ultimate Minds is a professional consulting and marketing firm dedicated to empowering businesses, nonprofits, and startups with smart, affordable, and results-driven solutions.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
5Exact matchNew York, NY, United StatesHQ recorded Sep 21, 2026501-1,000728 contacts →

Exact match

“For over 75 years, CCS Fundraising has empowered many of the world’s greatest organizations to advance some of the most important causes in history.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
6Exact match千代田区, JapanHQ recorded Sep 21, 2026501-1,000696 contacts →

Exact match

“is a management consulting company based out of, Japan.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
7Exact matchMilan, ItalyHQ recorded Sep 21, 2026n/a535 contacts →

Exact match

“Consultant Corporate Governance and Project Management.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
8Exact matchParis, FranceHQ recorded Sep 21, 202651-200499 contacts →

Exact match

“Créé en 1975, GVA est composé de 80 personnes, pour près de 10 millions de chiffre d’affaires.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
9Exact matchBoston, MA, United StatesHQ recorded Sep 21, 2026201-500443 contacts →

Exact match

“The Bridgespan Group is a global nonprofit that strives to make the world more equitable and just.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
10Exact matchMclean, VA, United StatesHQ recorded Sep 21, 2026201-500399 contacts →

Exact match

“Based in McLean, Va, Attain Partners is a leading management and technology consulting firm delivering services and solutions to advance client missions across the education…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
11Exact matchJalan Todak 5, MalaysiaHQ recorded Sep 21, 2026201-500376 contacts →

Exact match

“Tokio Marine Life Insurance Malaysia Bhd is a management consulting company based out of 11 Bangunan Tm Asia Life, Jalan Todak 5, Malaysia.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
12Exact matchBogotá, ColombiaHQ recorded Sep 21, 202651-200304 contacts →

Exact match

“C&M Consultores S.A.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
13Exact matchWashington, DC, United StatesHQ recorded Sep 21, 202610001+300 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
14Exact matchZola Predosa, ItalyHQ recorded Sep 21, 202651-200272 contacts →

Exact match

“SCS Consulting is a management consulting company, founded in Bologna in 2001.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
15Exact matchChicago, IL, United StatesHQ recorded Sep 21, 2026n/a265 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
16Exact matchIndianapolis, IN, United StatesHQ recorded Sep 21, 202651-200262 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
17Exact matchBaton Rouge, LA, United StatesHQ recorded Sep 21, 2026n/a258 contacts →

Exact match

“We are partners and advisors of leading organizations and governments, bound to and inspired by a mission of helping our clients improve their performance.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
18Exact matchBethesda, MD, United StatesHQ recorded Sep 21, 202651-200257 contacts →

Exact match

“Manhattan Strategy is a boutique research and management consulting firm dedicated to helping our government and commercial clients achieve performance excellence.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19Exact matchDüsseldorf, GermanyHQ recorded Sep 21, 202610001+251 contacts →

Exact match

“Atos Information Technology GmbH is a management consulting company”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
20Exact matchBoston, MA, United StatesHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
21Exact matchRiyadh, Saudi ArabiaHQ recorded Sep 21, 20261,001-5,000249 contacts →

Exact match

“An integrated and advanced consulting entity concerned with supporting the governmental, private and non-profit sectors with appropriate contractual solutions and meeting their…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
22Exact matchRaleigh, NC, United StatesHQ recorded Sep 21, 2026201-500244 contacts →

Exact match

“ScottMadden is a management consulting firm that does what it takes to get the job done right.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
23Exact matchBrussels, BelgiumHQ recorded Sep 21, 202651-200242 contacts →

Exact match

“GOPA Partners in Action for Change and Engagement (PACE), formerly B&S Europe, is an integral part of GOPA, Europe’s leading professional services provider combining engineering…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
24Exact matchNew York, NY, United StatesHQ recorded Sep 21, 2026n/a232 contacts →

Exact match

“TCC Group collaborates with leaders to solve complex social problems.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
25Exact matchWashington, DC, United StatesHQ recorded Sep 21, 2026201-500227 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase

Showing 25 of 23,423 nonprofit management consulting firms worldwide

See the full list, filter by size, metro and specialty, and access 27,247 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Nonprofit management consulting firms worldwide at a glance

As of Sep 21, 2026
20.4%Verified-email coverage
5.7Average contacts per company
1-10Median size (employees)
1.6%Largest-city concentration · London
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
19,362
11-50
3,224
51-200
601
201-500
96
501-1,000
26
1,001-5,000
20
5,001-10,000
7
10001+
20

Email recency is reported on each country list linked below.

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.
Coverage
Every country. Country and city lists for nonprofit management consulting firms are linked below.
What qualifies
Company records worldwide whose business descriptions match “nonprofit management consulting firms” 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. 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 27,247 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 21, 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.

Nonprofit management consulting firms by location

93 lists · largest first

Every Nonprofit management 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 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 management consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many nonprofit management consulting firms are there worldwide?

RevenueBase identified 23,423 company matches for nonprofit management consulting firms worldwide 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?

Bank Of The West tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most nonprofit management consulting firms?

The United States leads with 8,450 companies, followed by the United Kingdom (1,294) and France (1,132). Every nonprofit management consulting firms list by country and city is linked on this page.

Which city has the most nonprofit management consulting firms?

London leads with 370 company records, followed by New York (343) and Washington (306).

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 27,247 professional contacts with verified work emails tracked across these 23,423 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 21, 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.