Company lists · Data refreshed September 2026

Top 25 Nonprofit database management consultants based in the United States

RevenueBase identified 3,037 nonprofit database management consultants headquartered in the United States as of September 2026 and tracks 20,829 professional contacts across them, including 8,762 with verified work emails. New York is the largest hub.

This list covers nonprofit database management consultants headquartered in the United States, 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.

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
3,037Companies
20,829Contacts tracked
8,762Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest nonprofit database management consultants based in the United States

Ranked by team size
Top 25 of 3,037 nonprofit database management consultants based in the United States, ranked by team size, largest first. Data refreshed Sep 29, 2026. RevenueBase Smart Search rates how each company's information relates to nonprofit database management consultants: 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
2Indirect evidenceNew York, NY, United StatesHQ checked Sep 29, 2026501-1,000728 contacts →

Indirect evidence

“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.”

Source: RevenueBase Database · checked Sep 29, 2026
3Partial 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
4Partial evidenceChicago, IL, United StatesHQ checked Sep 29, 2026n/a265 contacts →

Partial 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
5Partial 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
6Partial evidenceUnited StatesHQ checked Sep 29, 2026201-500243 contacts →

Partial evidence

“Our name means “The Spirit of Serving Others.” It’s who we are and why we believe there’s no higher value than partnering with nonprofits to make the world a better place.”

Source: RevenueBase Database · checked Sep 29, 2026
7Partial 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
8Indirect evidenceWashington, United StatesHQ checked Sep 29, 202651-200208 contacts →

Indirect evidence

“We are M+R.”

Source: RevenueBase Database · checked Sep 29, 2026
9Indirect evidenceIndianapolis, IN, United StatesHQ checked Sep 29, 202651-200204 contacts →

Indirect evidence

“Helping fundraising teams raise more with smarter donor engagement.”

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 evidenceFargo, ND, United StatesHQ checked Sep 29, 202651-200137 contacts →

Indirect evidence

“AGP partners with mission-driven organizations nationwide to strengthen donor engagement and support long-term, sustainable performance.”

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
14Partial evidenceUsa, United StatesHQ checked Sep 29, 202651-200125 contacts →

Partial 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
15Strong evidenceBerkeley, CA, United StatesHQ checked Sep 29, 202651-200112 contacts →

Strong evidence

“Our team of expert consultants develops innovative direct marketing-driven donor development programs for exceptional nonprofit causes like yours.”

Source: RevenueBase Database · checked Sep 29, 2026
16Partial 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
17Partial evidenceNorthridge, CA, United StatesHQ checked Sep 29, 202651-200109 contacts →

Partial evidence

“Charter Impact is a comprehensive back-office solution empowering charter schools and other non-profits with strategic financial management, operational expertise, and data-driven…”

Source: RevenueBase Database · checked Sep 29, 2026
18Partial 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
19Partial evidenceChicago, IL, United StatesHQ checked Sep 29, 202651-200102 contacts →

Partial 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
20Partial evidenceWashington, DC, United StatesHQ checked Sep 29, 202651-20099 contacts →

Partial 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
21Indirect evidenceNew York, NY, United StatesHQ checked Sep 29, 202651-20088 contacts →

Indirect evidence

“Consero Global Acquires BTQ Financial, Expanding Its Reach to the Non-Profit World With a Leading Provider of Finance as a Service to the Sector.”

Source: RevenueBase Database · checked Sep 29, 2026
22Partial evidencePhiladelphia, PA, United StatesHQ checked Sep 29, 202651-20083 contacts →

Partial evidence

“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…”

Source: RevenueBase Database · checked Sep 29, 2026
23Partial evidenceWashington, DC, United StatesHQ checked Sep 29, 202651-20081 contacts →

Partial evidence

“Humentum is a global nonprofit that unlocks the strategic power of operating models for social good organizations.”

Source: RevenueBase Database · checked Sep 29, 2026
24Indirect evidenceLyndhurst, NJ, United StatesHQ checked Sep 29, 202651-20079 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 29, 2026
25Indirect evidenceJohns Creek, GA, United StatesHQ checked Sep 29, 202651-20078 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 29, 2026

Showing 25 of 3,037 nonprofit database management consultants based in the United States

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 8,762 reachable decision-makers.

Free signup · no credit card

View the full list →

Nonprofit database management consultants based in the United States at a glance

As of Sep 29, 2026
42.1%Verified-email coverage
6.9Average contacts per company
1-10Median size (employees)
4.6%Largest-city concentration · New York
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
2,553
11-50
387
51-200
84
201-500
9
501-1,000
2
10001+
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 3,037 companies.

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 database management consultants, 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.
What qualifies
Companies headquartered in the United States whose own description of what they do matches “nonprofit database management consultants”. 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 database management consultants), 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 database management consultants, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
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, 8,762 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.

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 database management consultants, 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 database management consultants are there based in the United States?

RevenueBase identified 3,037 nonprofit database management consultants headquartered in the United States 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 city has the most nonprofit database management consultants?

New York leads with 140 headquartered companies, followed by Chicago (104) and Washington (99).

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 8,762 verified decision-maker contacts tracked across these 3,037 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.

Ready to reach these companies? Verified emails and direct dials for all 3,037 nonprofit database management consultants based in the United States. Start with a free account, no credit card.

Download this list →

Related lists

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.