Company lists · Data refreshed September 2026

Top 25 Nonprofit fundraising consulting firms worldwide

Name: Nonprofit fundraising consulting firms worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 21, 2026 5,158 companies tracked

RevenueBase identified 5,158 company matches for nonprofit fundraising consulting firms worldwide as of September 2026 and tracks 33,964 professional contacts across them, including 11,230 with verified work emails. The United States is the largest market and New York the largest hub.

This list covers company matches for nonprofit fundraising 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 fundraising 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

5,158Companies

33,964Contacts tracked

11,230Verified emails

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The 25 largest nonprofit fundraising consulting firms worldwide

Ranked by team size

Top 25 of 5,158 company matches for nonprofit fundraising 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Your Part-Time Controller, LLC	Exact match	Philadelphia, PA, United StatesHQ recorded Sep 21, 2026	501-1,000	775 contacts →
	Exact match “THE NONPROFIT ACCOUNTING SPECIALISTS.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
2	Lucas Group	Exact match	Los Angeles, CA, United StatesHQ recorded Sep 21, 2026	10001+	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
3	CCS Fundraising	Exact match	New York, NY, United StatesHQ recorded Sep 21, 2026	501-1,000	728 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
4	RKD Group	Exact match	Plano, TX, United StatesHQ recorded Sep 21, 2026	201-500	492 contacts →
	Exact match “RKD Group is the trusted growth architect for nonprofits.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
5	Innovairre	Exact match	Cherry Hill, NJ, United StatesHQ recorded Sep 21, 2026	1,001-5,000	342 contacts →
	Exact match “Our motto says it all: We Help People Who Help People.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
6	Nonprofit Hr, Powered By Onedigital	Exact match	Washington, DC, United StatesHQ recorded Sep 21, 2026	10001+	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
7	Truesense Marketing	Exact match	Warrendale, PA, United StatesHQ recorded Sep 21, 2026	201-500	280 contacts →
	Exact match “TrueSense Marketing is a full-service, strategic, direct response fundraising agency and direct mail marketing company.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
8	JCA	Exact match	Chicago, IL, United StatesHQ recorded Sep 21, 2026	n/a	265 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
9	Capincrouse	Exact match	Indianapolis, IN, United StatesHQ recorded Sep 21, 2026	51-200	262 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
10	Arabella Advisors	Exact match	Washington, DC, United StatesHQ recorded Sep 21, 2026	201-500	227 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
11	M R	Exact match	Washington, United StatesHQ recorded Sep 21, 2026	51-200	208 contacts →
	Exact match “We are M+R.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
12	Ncheng LLP	Exact match	New York, NY, United StatesHQ recorded Sep 21, 2026	51-200	197 contacts →
	Exact match “As certified public accountants and expert financial advisors, we empower non-profits to achieve their mission.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
13	The Heritage Company	Exact match	United StatesHQ recorded Sep 21, 2026	501-1,000	197 contacts →
	Exact match “Nonprofit Organizations count on The Heritage Company for fundraising and outreach to donors, members and other constituents.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
14	O'brien Garrett	Exact match	Washington, DC, United StatesHQ recorded Sep 21, 2026	n/a	152 contacts →
	Exact match “O'Brien Garrett is a comprehensive fundraising and communications company serving some of the nation's top nonprofits.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
15	AGP Allegiance Group & Pursuant	Exact match	Fargo, ND, United StatesHQ recorded Sep 21, 2026	51-200	137 contacts →
	Exact match “AGP partners with mission-driven organizations nationwide to strengthen donor engagement and support long-term, sustainable performance.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
16	SG Support	Exact match	Kuala Lumpur Central, MalaysiaHQ recorded Sep 21, 2026	201-500	137 contacts →
	Exact match “We exist to support non-profits as they carry out their world-changing missions.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
17	Amphil	Exact match	Oak Park, IL, United StatesHQ recorded Sep 21, 2026	51-200	136 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
18	The Acceleration Project	Exact match	Scarsdale, NY, United StatesHQ recorded Sep 21, 2026	11-50	131 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
19	BWF	Exact match	Usa, United StatesHQ recorded Sep 21, 2026	51-200	125 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
20	MAL Warwick Donordigital	Exact match	Berkeley, CA, United StatesHQ recorded Sep 21, 2026	51-200	112 contacts →
	Exact match “Our team of expert consultants develops innovative direct marketing-driven donor development programs for exceptional nonprofit causes like yours.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
21	JMT Consulting	Exact match	Mount Juliet, TN, United StatesHQ recorded Sep 21, 2026	51-200	112 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
22	The Stelter Company	Exact match	West Des Moines, IA, United StatesHQ recorded Sep 21, 2026	51-200	109 contacts →
	Exact match “In business since 1962, The Stelter Company is an integrated marketing agency that provides nonprofits with the insights and strategies needed to optimize revenue across the…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
23	Zuri Group	Exact match	Bend, OR, United StatesHQ recorded Sep 21, 2026	51-200	106 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
24	Campbell & Company	Exact match	Chicago, IL, United StatesHQ recorded Sep 21, 2026	51-200	102 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
25	KCI	Exact match	Toronto, ON, CanadaHQ recorded Sep 21, 2026	51-200	101 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

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “nonprofit fundraising consulting firms”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 5,158 nonprofit fundraising consulting firms worldwide

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Nonprofit fundraising consulting firms worldwide at a glance

As of Sep 21, 2026

33.1%Verified-email coverage

6.6Average contacts per company

1-10Median size (employees)

2.7%Largest-city concentration · New York

Sep 21, 2026Page data refreshed

Companies by employee count

1-10

4,390

11-50

601

51-200

133

201-500

501-1,000

1,001-5,000

10001+

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 fundraising consulting firms are linked below.
What qualifies: Company records worldwide whose business descriptions match “nonprofit fundraising 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 11,230 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 fundraising consulting firms by location

26 lists · largest first

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

How many nonprofit fundraising consulting firms are there worldwide?

RevenueBase identified 5,158 company matches for nonprofit fundraising 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?

Your Part-Time Controller, LLC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most nonprofit fundraising consulting firms?

The United States leads with 2,956 companies, followed by the United Kingdom (232) and Canada (226). Every nonprofit fundraising consulting firms list by country and city is linked on this page.

Which city has the most nonprofit fundraising consulting firms?

New York leads with 139 company records, followed by Washington (112) and Chicago (104).

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 11,230 professional contacts with verified work emails tracked across these 5,158 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.