Company lists · Data refreshed September 2026

Top 25 Not for profit consultants worldwide

RevenueBase identified 6,765 company matches for not for profit consultants worldwide as of September 2026 and tracks 44,245 professional contacts across them, including 10,317 with verified work emails. The United States is the largest market and New York the largest hub.

This list covers company matches for not for profit consultants 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 not for profit consultants 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
6,765Companies
44,245Contacts tracked
10,317Verified emails
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The 25 largest not for profit consultants worldwide

Ranked by team size
Top 25 of 6,765 company matches for not for profit consultants 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 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
5Exact 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
6Exact 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
7Exact matchMelbourne, AustraliaHQ recorded Sep 21, 202651-200228 contacts →

Exact match

“Global Consulting Group (GCG) is a charity that provides pro-bono consulting services to charities and not-for-profits by connecting university students with experienced…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
8Exact 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
9Exact matchNew York, NY, United StatesHQ recorded Sep 21, 202651-200212 contacts →

Exact match

“Financing for nonprofits https://nff.org/our-work/financing/#Consulting for nonprofits https://nff.org/our-work/consulting/#Partnerships with funders and networks…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
10Exact matchWashington, United StatesHQ recorded Sep 21, 202651-200208 contacts →

Exact match

“We are M+R.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
11Exact matchLeiden, NetherlandsHQ recorded Sep 21, 202651-200195 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
12Exact matchAzerbaijanHQ recorded Sep 21, 2026n/a181 contacts →

Exact match

“Consulting, Planning, Design, Programming”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
13Exact matchAl Yasmin District, Saudi ArabiaHQ recorded Sep 21, 202651-200177 contacts →

Exact match

“شركة الزومان والفهد والحجاج للاستشارات المهنية”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
14Exact matchCambridge, MA, United StatesHQ recorded Sep 21, 202651-200144 contacts →

Exact match

“Harvard Undergraduate Consulting Group is a nonprofit student organization at Harvard dedicated to helping businesses grow and achieve their strategic goals.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
15Exact matchOak Park, IL, United StatesHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
16Exact matchScarsdale, NY, United StatesHQ recorded Sep 21, 202611-50131 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
17Exact matchUsa, United StatesHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
18Exact matchMount Juliet, TN, United StatesHQ recorded Sep 21, 202651-200112 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19Exact matchBend, OR, United StatesHQ recorded Sep 21, 202651-200106 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
20Exact matchChicago, IL, United StatesHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
21Exact matchToronto, ON, CanadaHQ recorded Sep 21, 202651-200101 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
22Exact matchToronto, CanadaHQ recorded Sep 21, 202611-5090 contacts →

Exact match

“Our mission is to provide leadership to nonprofit organizations in using new technologies to market, fundraise, advocate and brand build more effectively.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
23Exact matchPhiladelphia, PA, United StatesHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
24Exact matchNew Delhi, IndiaHQ recorded Sep 21, 202611-5083 contacts →

Exact match

“180 Degrees Consulting is the world’s largest student-led consultancy for non-profits and social enterprises.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
25Exact matchLyndhurst, NJ, United StatesHQ recorded Sep 21, 202651-20079 contacts →

Exact match

“Marts & Lundy serves as a trusted partner to mission-driven organizations whose bold aspirations are realized through the power of philanthropy.”

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

Showing 25 of 6,765 not for profit consultants worldwide

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Not for profit consultants worldwide at a glance

As of Sep 21, 2026
23.3%Verified-email coverage
6.5Average contacts per company
1-10Median size (employees)
2.2%Largest-city concentration · New York
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
5,900
11-50
715
51-200
129
201-500
13
501-1,000
4
10001+
3

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 not for profit consultants are linked below.
What qualifies
Company records worldwide whose business descriptions match “not for profit 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. 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 10,317 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.

Not for profit consultants by location

30 lists · largest first

Every Not for profit consultants 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 “not for profit consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many not for profit consultants are there worldwide?

RevenueBase identified 6,765 company matches for not for profit consultants 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 not for profit consultants?

The United States leads with 3,481 companies, followed by Canada (314) and the United Kingdom (235). Every not for profit consultants list by country and city is linked on this page.

Which city has the most not for profit consultants?

New York leads with 149 company records, followed by Washington (129) and Chicago (121).

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 10,317 professional contacts with verified work emails tracked across these 6,765 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.