Company lists · Data refreshed November 2026

Top 25 Nonprofit database consulting services based in the United States

Name: Nonprofit database consulting services based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 3,184 companies tracked

RevenueBase identified 3,184 company matches for nonprofit database consulting services associated with the United States as of November 2026 and tracks 29,088 professional contacts across them, including 8,078 with verified work emails. New York is the largest hub.

This list covers company matches for nonprofit database consulting services 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

3,184Companies

29,088Contacts tracked

8,078Verified emails

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The 25 largest nonprofit database consulting services based in the United States

Ranked by team size

Top 25 of 3,184 company matches for nonprofit database consulting services 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Your Part-Time Controller, LLC	Exact match	Philadelphia, PA, United StatesHQ recorded Nov 6, 2026	501-1,000	837 contacts →
	Exact match “THE NONPROFIT ACCOUNTING SPECIALISTS.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	ISSI	Exact match	Washington, DC, United StatesHQ recorded Nov 6, 2026	n/a	555 contacts →
	Exact match “ISSI is a not-for-profit corporation established in August 2007 in Washington, DC.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	Jitasa	Exact match	United StatesHQ recorded Nov 6, 2026	201-500	287 contacts →
	Exact match “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.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	JCA	Exact match	Chicago, IL, United StatesHQ recorded Nov 6, 2026	n/a	282 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 · Nov 6, 2026 · View company records in RevenueBase
5	Capincrouse	Exact match	Indianapolis, CA, United StatesHQ recorded Nov 6, 2026	51-200	273 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 · Nov 6, 2026 · View company records in RevenueBase
6	Nonprofit Finance Fund	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	51-200	230 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 · Nov 6, 2026 · View company records in RevenueBase
7	M R	Exact match	Washington, United StatesHQ recorded Nov 6, 2026	51-200	213 contacts →
	Exact match “We are M+R.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	FES	Exact match	Lincoln, NE, United StatesHQ recorded Nov 6, 2026	51-200	189 contacts →
	Exact match “FES is a nonprofit foundation that provides support to communities and nonprofit organizations so they can focus on fulfilling their missions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	Amphil	Exact match	Oak Park, AZ, United StatesHQ recorded Nov 6, 2026	51-200	149 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 · Nov 6, 2026 · View company records in RevenueBase
10	The Acceleration Project	Exact match	Scarsdale, NY, United StatesHQ recorded Nov 6, 2026	11-50	129 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 · Nov 6, 2026 · View company records in RevenueBase
11	Arabella Advisors	Exact match	Washington, NY, United StatesHQ recorded Nov 6, 2026	201-500	127 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 · Nov 6, 2026 · View company records in RevenueBase
12	MAL Warwick Donordigital	Exact match	Berkeley, DC, United StatesHQ recorded Nov 6, 2026	51-200	121 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
13	Charter Impact	Exact match	Northridge, CA, United StatesHQ recorded Nov 6, 2026	51-200	116 contacts →
	Exact match “Charter Impact is a comprehensive back-office solution empowering charter schools and other non-profits with strategic financial management, operational expertise, and data-driven…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	Actively Searching For NEW Employment	Exact match	Salt Lake City, United StatesHQ recorded Nov 6, 2026	501-1,000	115 contacts →
	Exact match “Database Administrator” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	JMT Consulting	Exact match	Mount Juliet, TN, United StatesHQ recorded Nov 6, 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 · Nov 6, 2026 · View company records in RevenueBase
16	Campbell & Company	Exact match	Chicago, WA, United StatesHQ recorded Nov 6, 2026	51-200	103 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
17	Heller Consulting	Exact match	Corte Madera, CA, United StatesHQ recorded Nov 6, 2026	51-200	101 contacts →
	Exact match “Heller Consulting empowers nonprofit, healthcare, and education organizations to achieve greater impact through strategic technology consulting, data-driven solutions, and digital…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	ORR Group	Exact match	Washington, DC, United StatesHQ recorded Nov 6, 2026	51-200	94 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
19	Raffa, PC	Exact match	Washington, MD, United StatesHQ recorded Nov 6, 2026	1,001-5,000	94 contacts →
	Exact match “Top accounting firm Raffa, P.C.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Zuri Group	Exact match	Bend, OR, United StatesHQ recorded Nov 6, 2026	51-200	90 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
21	BTQ Financial	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	51-200	89 contacts →
	Exact match “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.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Schultz & Williams	Exact match	Philadelphia, PA, United StatesHQ recorded Nov 6, 2026	51-200	88 contacts →
	Exact match “Schultz & Williams is a national consulting firm that helps nonprofits strengthen fundraising, leadership capacity and organizational strategy through development consulting…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Bostrom	Exact match	Chicago, DC, United StatesHQ recorded Nov 6, 2026	51-200	85 contacts →
	Exact match “Bostrom is a professional services firm offering comprehensive management, consulting and outsourcing to the not-for-profit community.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Avalon Consulting Group	Exact match	Washington, DC, United StatesHQ recorded Nov 6, 2026	51-200	84 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
25	Aplusify	Exact match	Rockville, MD, United StatesHQ recorded Nov 6, 2026	201-500	81 contacts →
	Exact match “With Aplusify, associations, nonprofits, and higher education institutions can unlock the full potential of their Salesforce platform.” Recorded in the RevenueBase company graph · Nov 6, 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 database consulting services”. 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 3,184 nonprofit database consulting services based in the United States

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Nonprofit database consulting services based in the United States at a glance

As of Nov 6, 2026

27.8%Verified-email coverage

9.1Average contacts per company

1-10Median size (employees)

4.5%Largest-city concentration · New York

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

2,694

11-50

390

51-200

201-500

501-1,000

1,001-5,000

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 3,184 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 “nonprofit database consulting services” 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 8,078 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.

Nonprofit database consulting services by metro

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 database consulting services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many nonprofit database consulting services are there based in the United States?

RevenueBase identified 3,184 company matches for nonprofit database consulting services 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?

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

Which city has the most nonprofit database consulting services?

New York leads with 143 company records, followed by Washington (94) and Chicago (93).

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 8,078 professional contacts with verified work emails tracked across these 3,184 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.