Company lists · Data refreshed September 2026

Top 25 Nonprofit consulting services based in the United States

Name: Nonprofit 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 Sep 21, 2026 11,001 companies tracked

RevenueBase identified 11,001 nonprofit consulting services headquartered in the United States as of September 2026 and tracks 72,597 professional contacts across them, including 21,382 with verified work emails. New York is the largest hub.

This list covers nonprofit consulting services 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 21, 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 21, 2026 86% judged on-target in blind review

11,001Companies

72,597Contacts tracked

21,382Verified emails

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The 25 largest nonprofit consulting services based in the United States

Ranked by team size

Top 25 of 11,001 nonprofit consulting services based in the United States, ranked by team size, largest first. Data refreshed Sep 21, 2026. RevenueBase Smart Search rates how each company's information relates to nonprofit consulting services: 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.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Strategy	Indirect evidence	New York, NY, United StatesHQ checked Sep 21, 2026	1,001-5,000	5,082 contacts →
	Indirect evidence “From strategy to execution.” Source: RevenueBase Database · checked Sep 21, 2026
2	Bank Of The West	Partial evidence	Chicago, IL, United StatesHQ checked Sep 21, 2026	n/a	4,751 contacts →
	Partial evidence “We help businesses and nonprofits grow, communicate, and succeed, professionally and affordably.” Source: RevenueBase Database · checked Sep 21, 2026
3	Your Part-Time Controller, LLC	Partial evidence	Philadelphia, PA, United StatesHQ checked Sep 21, 2026	501-1,000	775 contacts →
	Partial evidence “THE NONPROFIT ACCOUNTING SPECIALISTS.” Source: RevenueBase Database · checked Sep 21, 2026
4	Lucas Group	Strong evidence	Los Angeles, CA, United StatesHQ checked Sep 21, 2026	10001+	756 contacts →
	Strong evidence “Ultimate Minds is a professional consulting and marketing firm dedicated to empowering businesses, nonprofits, and startups with smart, affordable, and results-driven solutions.” Source: RevenueBase Database · checked Sep 21, 2026
5	CCS Fundraising	Indirect evidence	New York, NY, United StatesHQ checked Sep 21, 2026	501-1,000	728 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 21, 2026
6	NEW York State Technology Enterprise Corporation Nystec	Indirect evidence	Rome, NY, United StatesHQ checked Sep 21, 2026	201-500	480 contacts →
	Indirect evidence “For more than 30 years, NYSTEC has provided independent advisory services to our government partners.” Source: RevenueBase Database · checked Sep 21, 2026
7	The Bridgespan Group	Partial evidence	Boston, MA, United StatesHQ checked Sep 21, 2026	201-500	443 contacts →
	Partial evidence “The Bridgespan Group is a global nonprofit that strives to make the world more equitable and just.” Source: RevenueBase Database · checked Sep 21, 2026
8	Nonprofit Hr, Powered By Onedigital	Partial evidence	Washington, DC, United StatesHQ checked Sep 21, 2026	10001+	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 21, 2026
9	JCA	Strong evidence	Chicago, IL, United StatesHQ checked Sep 21, 2026	n/a	265 contacts →
	Strong 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 21, 2026
10	Capincrouse	Partial evidence	Indianapolis, IN, United StatesHQ checked Sep 21, 2026	51-200	262 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 21, 2026
11	SSA Consultants	Indirect evidence	Baton Rouge, LA, United StatesHQ checked Sep 21, 2026	n/a	258 contacts →
	Indirect evidence “We are partners and advisors of leading organizations and governments, bound to and inspired by a mission of helping our clients improve their performance.” Source: RevenueBase Database · checked Sep 21, 2026
12	Scottmadden, INC	Partial evidence	Raleigh, NC, United StatesHQ checked Sep 21, 2026	201-500	244 contacts →
	Partial evidence “ScottMadden is a management consulting firm that does what it takes to get the job done right.” Source: RevenueBase Database · checked Sep 21, 2026
13	GRF Cpas & Advisors	Indirect evidence	Bethesda, MD, United StatesHQ checked Sep 21, 2026	51-200	243 contacts →
	Indirect evidence “Headquartered in the Washington, DC metropolitan region, GRF CPAs & Advisors (GRF) is a full-service professional services firm providing clients with audit and assurance, tax…” Source: RevenueBase Database · checked Sep 21, 2026
14	TCC Group	Indirect evidence	New York, NY, United StatesHQ checked Sep 21, 2026	n/a	232 contacts →
	Indirect evidence “TCC Group collaborates with leaders to solve complex social problems.” Source: RevenueBase Database · checked Sep 21, 2026
15	Arabella Advisors	Partial evidence	Washington, DC, United StatesHQ checked Sep 21, 2026	201-500	227 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 21, 2026
16	IFF Cdfi	Partial evidence	Chicago, IL, United StatesHQ checked Sep 21, 2026	51-200	216 contacts →
	Partial evidence “Grounded in equity and deep sector expertise, IFF champions nonprofits to shape more equitable and vibrant communities through community-centered lending, development, and real…” Source: RevenueBase Database · checked Sep 21, 2026
17	Nonprofit Finance Fund	Strong evidence	New York, NY, United StatesHQ checked Sep 21, 2026	51-200	212 contacts →
	Strong evidence “Financing for nonprofits https://nff.org/our-work/financing/#Consulting for nonprofits https://nff.org/our-work/consulting/#Partnerships with funders and networks…” Source: RevenueBase Database · checked Sep 21, 2026
18	M R	Indirect evidence	Washington, United StatesHQ checked Sep 21, 2026	51-200	208 contacts →
	Indirect evidence “We are M+R.” Source: RevenueBase Database · checked Sep 21, 2026
19	Ncheng LLP	Indirect evidence	New York, NY, United StatesHQ checked Sep 21, 2026	51-200	197 contacts →
	Indirect evidence “As certified public accountants and expert financial advisors, we empower non-profits to achieve their mission.” Source: RevenueBase Database · checked Sep 21, 2026
20	FES	Partial evidence	Lincoln, NE, United StatesHQ checked Sep 21, 2026	51-200	181 contacts →
	Partial evidence “FES is a nonprofit foundation that provides support to communities and nonprofit organizations so they can focus on fulfilling their missions.” Source: RevenueBase Database · checked Sep 21, 2026
21	Mcallister & Quinn	Partial evidence	Washington, DC, United StatesHQ checked Sep 21, 2026	51-200	170 contacts →
	Partial evidence “McAllister & Quinn is a Washington, DC consulting firm that provides a comprehensive range of services to a diverse group of clients with issues before the federal government.” Source: RevenueBase Database · checked Sep 21, 2026
22	Global Impact	Partial evidence	Washington, DC, United StatesHQ checked Sep 21, 2026	51-200	170 contacts →
	Partial evidence “Global Impact serves as a trusted philanthropy advisor, intermediary, and nonprofit partner for greater giving.” Source: RevenueBase Database · checked Sep 21, 2026
23	CREW	Indirect evidence	Philadelphia, MN, United StatesHQ checked Sep 21, 2026	1,001-5,000	165 contacts →
	Indirect evidence “Founded in tandem with Turnberry Solutions, Crew serves as an innovative talent development program for both Turnberry and our clients by focusing exclusively on high-performing…” Source: RevenueBase Database · checked Sep 21, 2026
24	Priority Healthcare Group	Partial evidence	Valley Stream, NY, United StatesHQ checked Sep 21, 2026	501-1,000	159 contacts →
	Partial evidence “Priority Healthcare Group provides consulting services to the nursing home industry.” Source: RevenueBase Database · checked Sep 21, 2026
25	Ripple Effect	Partial evidence	Rockville, MD, United StatesHQ checked Sep 21, 2026	201-500	152 contacts →
	Partial evidence “Ripple Effect provides professional consulting and exceptional talent for federal, private, and non-profit clients to deliver some of the most crucial policies and programs that…” Source: RevenueBase Database · checked Sep 21, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: nonprofit consulting services. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names nonprofit consulting services.
Partial evidence: Its own public description names part of nonprofit consulting services, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name nonprofit consulting services. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 11,001 nonprofit consulting services based in the United States

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Nonprofit consulting services based in the United States at a glance

As of Sep 21, 2026

29.5%Verified-email coverage

6.6Average contacts per company

1-10Median size (employees)

3.9%Largest-city concentration · New York

Sep 21, 2026Page data refreshed

Companies by employee count

1-10

9,521

11-50

1,214

51-200

214

201-500

501-1,000

1,001-5,000

10001+

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 11,001 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 consulting services, 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 consulting services”. 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 consulting services), 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 consulting services, 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, 21,382 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 21, 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.

Nonprofit consulting services by metro

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 consulting services, 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 consulting services are there based in the United States?

RevenueBase identified 11,001 nonprofit consulting services 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?

Strategy, headquartered in New York, tops this list with the largest team on record.

Which city has the most nonprofit consulting services?

New York leads with 428 headquartered companies, followed by Washington (336) and Chicago (282).

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 21,382 verified decision-maker contacts tracked across these 11,001 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 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 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.