Company lists · Data refreshed November 2026

Top 25 Fundraising advisors based in the United States

RevenueBase identified 1,655 company matches for fundraising advisors associated with the United States as of November 2026 and tracks 11,583 professional contacts across them, including 5,330 with verified work emails. New York is the largest hub.

This list covers company matches for fundraising advisors associated with the United States, 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 November 6, 2026.

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 Nov 6, 2026 How this list was built
1,655Companies
11,583Contacts tracked
5,330Verified emails
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The 25 largest fundraising advisors based in the United States

Ranked by team size
Top 25 of 1,655 company matches for fundraising advisors based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 matchNew York, NY, United StatesHQ recorded Nov 6, 2026501-1,000894 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 · Nov 6, 2026 · View company records in RevenueBase
2Exact matchPlano, TX, United StatesHQ recorded Nov 6, 2026201-500514 contacts →

Exact match

“RKD Group is the trusted growth architect for nonprofits.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchJenkintown, PA, United StatesHQ recorded Nov 6, 2026201-500289 contacts →

Exact match

“National Philanthropic Trust is a public charity dedicated to providing philanthropic expertise to donors, foundations and financial institutions, enabling them to realize their…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchWashington, United StatesHQ recorded Nov 6, 202651-200213 contacts →

Exact match

“We are M+R.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchWashington, DC, United StatesHQ recorded Nov 6, 202651-200190 contacts →

Exact match

“Global Impact serves as a trusted philanthropy advisor, intermediary, and nonprofit partner for greater giving.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchFargo, ND, United StatesHQ recorded Nov 6, 202651-200133 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 · Nov 6, 2026 · View company records in RevenueBase
7Exact matchBerkeley, DC, United StatesHQ recorded Nov 6, 202651-200121 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 · Nov 6, 2026 · View company records in RevenueBase
8Exact matchWest Des Moines, IA, United StatesHQ recorded Nov 6, 202651-200115 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 · Nov 6, 2026 · View company records in RevenueBase
9Exact matchChicago, WA, United StatesHQ recorded Nov 6, 202651-200103 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 · Nov 6, 2026 · View company records in RevenueBase
10Exact matchMarriottsvile, MD, United StatesHQ recorded Nov 6, 202651-20096 contacts →

Exact match

“DonorSearch by EverTrue gives fundraising teams the intelligence to know who to prioritize, how to engage them, and what to do next, so every outreach moment is grounded in more…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchWashington, DC, United StatesHQ recorded Nov 6, 202651-20094 contacts →

Exact match

“Orr Group is a nonprofit consulting firm specializing in the business of philanthropy.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchUsa, United StatesHQ recorded Nov 6, 202651-20093 contacts →

Exact match

“Leading Edge is a National Organization with a personalized local presence.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchBend, OR, United StatesHQ recorded Nov 6, 202651-20090 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchAshburn, VA, United StatesHQ recorded Nov 6, 202651-20087 contacts →

Exact match

“HSP Direct is a full-service, direct mail fundraising agency.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchWashington, DC, United StatesHQ recorded Nov 6, 202651-20084 contacts →

Exact match

“Avalon is a full-service fundraising consulting agency helping nonprofits realize the full potential of their direct marketing programs through multi-channel fundraising…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchHudson, OH, United StatesHQ recorded Nov 6, 202651-20079 contacts →

Exact match

“Established in 1993, American Endowment Foundation (AEF) is one of the nation’s largest independent donor-advised fund sponsors.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchJohns Creek, GA, United StatesHQ recorded Nov 6, 202651-20079 contacts →

Exact match

“Most faith-based organizations don't have a funding problem.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchOmaha, NE, United StatesHQ recorded Nov 6, 202651-20078 contacts →

Exact match

“INTRODUCING THE STEIER GROUP Based in Omaha, Nebraska, with offices in Alabama, Arizona, Arkansas, California, Colorado, Illinois, Indiana, Iowa, Kansas, Michigan, Minnesota…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchWashington, DC, United StatesHQ recorded Nov 6, 202651-20074 contacts →

Exact match

“Lautman Maska Neill & Company is an award-winning direct response consulting firm specializing in fully-integrated fundraising exclusively for nonprofits.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchUsa, United StatesHQ recorded Nov 6, 202651-20069 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 · Nov 6, 2026 · View company records in RevenueBase
21Exact matchNew York, CA, United StatesHQ recorded Nov 6, 202651-20067 contacts →

Exact match

“DialogueDirect fundraisers are trained, passionate advocates for our world-class charity partners.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchLawrence, KS, United StatesHQ recorded Nov 6, 202651-20064 contacts →

Exact match

“Pennington & Company is a full-service fundraising, consulting, and public relations firm.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchTucson, AZ, United StatesHQ recorded Nov 6, 202651-20062 contacts →

Exact match

“Streetlight Digital is a full-spectrum nonprofit fundraising and marketing partner.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchBoston, MA, United StatesHQ recorded Nov 6, 202611-5060 contacts →

Exact match

“Monument Group is a leading global independent full-service capital advisory and fundraising partner in alternative investments with offices in the U.S, Europe and Asia.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchAtlanta, GA, United StatesHQ recorded Nov 6, 202651-20059 contacts →

Exact match

“Westfall Gold is an experience design agency and fundraising consultancy for organizations passionate about advancing good.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 1,655 fundraising advisors based in the United States

See the full list, filter by size, metro and specialty, and access 5,330 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Fundraising advisors based in the United States at a glance

As of Nov 6, 2026
46.0%Verified-email coverage
7.0Average contacts per company
1-10Median size (employees)
6.4%Largest-city concentration · New York
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
1,344
11-50
246
51-200
55
201-500
6
501-1,000
2
1,001-5,000
1

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 1,655 companies.

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.
What qualifies
Company records associated with the United States whose business descriptions match “fundraising advisors” 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 5,330 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 November 6, 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.

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 “fundraising advisors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many fundraising advisors are there based in the United States?

RevenueBase identified 1,655 company matches for fundraising advisors associated with the United States as of November 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?

CCS Fundraising tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most fundraising advisors?

New York leads with 106 company records, followed by Washington (66) and Chicago (59).

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 5,330 professional contacts with verified work emails tracked across these 1,655 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 November 6, 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.