Company lists · Data refreshed September 2026

Top 25 Nonprofit consultants based in the United States

RevenueBase identified 12,343 nonprofit consultants headquartered in the United States as of September 2026 and tracks 87,091 professional contacts across them, including 26,105 with verified work emails and 32,983 with mobile numbers. New York is the largest hub.

This list covers nonprofit 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, how directly it supports the match, and when it was last checked. Data refreshed September 5, 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 HQ checked on every row Match evidence on every row Refreshed Sep 5, 2026 86% judged on-target in blind review
12,343Companies
87,091Contacts tracked
26,105Verified emails
32,983Mobile numbers
Unlock all 12,343 companies Free signup · no credit card · 500 free credits

The 25 largest nonprofit consultants based in the United States

Ranked by team size
Top 25 of 12,343 nonprofit consultants based in the United States, ranked by team size, largest first. Data refreshed Sep 5, 2026. Evidence rates how directly each company's own description names nonprofit consultants: strong (names it), partial (names part of it), indirect (matched on its full profile rather than the summary shown). Click a count to unlock that company's people.
#CompanyHeadquartersEmployeesContacts
1
StrategyIndirect evidence
New York, NY, United StatesHQ checked Sep 5, 20261,001-5,0005,082

“From strategy to execution.”

Source: company website · checked Sep 5, 2026
2
Bank Of The WestPartial evidence
Chicago, IL, United StatesHQ checked Sep 5, 2026n/a4,751

“We help businesses and nonprofits grow, communicate, and succeed, professionally and affordably.”

Source: company website · checked Sep 5, 2026
3Philadelphia, PA, United StatesHQ checked Sep 5, 2026501-1,000775

“THE NONPROFIT ACCOUNTING SPECIALISTS.”

Source: company website · checked Sep 5, 2026
4
Lucas GroupPartial evidence
Los Angeles, CA, United StatesHQ checked Sep 5, 202610001+756

“Ultimate Minds is a professional consulting and marketing firm dedicated to empowering businesses, nonprofits, and startups with smart, affordable, and results-driven solutions.”

Source: company website · checked Sep 5, 2026
5
CCS FundraisingIndirect evidence
New York, NY, United StatesHQ checked Sep 5, 2026501-1,000728

“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: company website · checked Sep 5, 2026
6Philadelphia, PA, United StatesHQ checked Sep 5, 20261,001-5,000643

“GRC Group (Global Research & Consulting) is a 501(c)(3) nonprofit with over active students from various cultural and academic backgrounds.”

Source: company website · checked Sep 5, 2026
7
REM And CompanyIndirect evidence
St. Louis, United StatesHQ checked Sep 5, 2026201-500577

“49% of Businesses fail within their first 5 years.”

Source: company website · checked Sep 5, 2026
8
FSGPartial evidence
Boston, MA, United StatesHQ checked Sep 5, 202651-200517

“At FSG, we are a global nonprofit consulting firm committed to advancing equitable systems change.”

Source: company website · checked Sep 5, 2026
9
RKD GroupPartial evidence
Plano, TX, United StatesHQ checked Sep 5, 2026201-500492

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

Source: company website · checked Sep 5, 2026
10Rome, NY, United StatesHQ checked Sep 5, 2026201-500480

“For more than 30 years, NYSTEC has provided independent advisory services to our government partners.”

Source: company website · checked Sep 5, 2026
11
The Bridgespan GroupPartial evidence
Boston, MA, United StatesHQ checked Sep 5, 2026201-500443

“The Bridgespan Group is a global nonprofit that strives to make the world more equitable and just.”

Source: company website · checked Sep 5, 2026
12
Attain PartnersIndirect evidence
Mclean, VA, United StatesHQ checked Sep 5, 2026201-500399

“Based in McLean, Va, Attain Partners is a leading management and technology consulting firm delivering services and solutions to advance client missions across the education…”

Source: company website · checked Sep 5, 2026
13Washington, DC, United StatesHQ checked Sep 5, 202610001+300

Nonprofit HR was founded with one goal in mind: to strengthen the social impact sector by strengthening its people.”

Source: company website · checked Sep 5, 2026
14
Taproot FoundationPartial evidence
San Francisco, CA, United StatesHQ checked Sep 5, 2026n/a275

“Taproot Foundation is a nonprofit organization connecting communities and driving social change.”

Source: company website · checked Sep 5, 2026
15
JCAPartial evidence
Chicago, IL, United StatesHQ checked Sep 5, 2026n/a265

“JCA is the first and foremost independent consulting firm dedicated to addressing the technology and operational needs of nonprofits.”

Source: company website · checked Sep 5, 2026
16
CapincrousePartial evidence
Indianapolis, IN, United StatesHQ checked Sep 5, 202651-200262

“As a national full-service accounting and advisory firm exclusively serving nonprofit organizations, CapinCrouse provides professional solutions to organizations whose outcomes…”

Source: company website · checked Sep 5, 2026
17
SSA ConsultantsIndirect evidence
Baton Rouge, LA, United StatesHQ checked Sep 5, 2026n/a258

“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: company website · checked Sep 5, 2026
18
Isaacson, MillerIndirect evidence
Boston, MA, United StatesHQ checked Sep 5, 2026201-500250

“Isaacson, Miller is one of the nation's premier executive search firms serving organizations that advance the public good.”

Source: company website · checked Sep 5, 2026
19
Cogent AnalyticsIndirect evidence
Greensboro, NC, United StatesHQ checked Sep 5, 2026201-500233

“Cogent Analytics is a business management consulting firm committed to serving the small to mid-sized business community.”

Source: company website · checked Sep 5, 2026
20
TCC GroupIndirect evidence
New York, NY, United StatesHQ checked Sep 5, 2026n/a232

“TCC Group collaborates with leaders to solve complex social problems.”

Source: company website · checked Sep 5, 2026
21
Arabella AdvisorsPartial evidence
Washington, DC, United StatesHQ checked Sep 5, 2026201-500227

“Arabella Advisors is a professional services firm that provides administrative, operational, and strategic support to nonprofits, foundations, and individual donors.”

Source: company website · checked Sep 5, 2026
22
IFF CdfiPartial evidence
Chicago, IL, United StatesHQ checked Sep 5, 202651-200216

“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: company website · checked Sep 5, 2026
23
Nonprofit Finance FundPartial evidence
New York, NY, United StatesHQ checked Sep 5, 202651-200212

“Financing for nonprofits https://nff.org/our-work/financing/#Consulting for nonprofits https://nff.org/our-work/consulting/#Partnerships with funders and networks…”

Source: company website · checked Sep 5, 2026
24
M RIndirect evidence
Washington, United StatesHQ checked Sep 5, 202651-200208

“We are M+R.”

Source: company website · checked Sep 5, 2026
25
Ncheng LLPIndirect evidence
New York, NY, United StatesHQ checked Sep 5, 202651-200197

“As certified public accountants and expert financial advisors, we empower non-profits to achieve their mission.”

Source: company website · checked Sep 5, 2026

Showing 25 of 12,343 nonprofit consultants based in the United States

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Nonprofit consultants based in the United States at a glance

As of Sep 5, 2026
1-10Median size (employees)
New YorkLargest hub · 500 HQs
32,983Contacts with mobile numbers
Sep 5, 2026Data refreshed

Companies by employee count

1-10
10,547
11-50
1,474
51-200
264
201-500
32
501-1,000
7
1,001-5,000
11
5,001-10,000
1
10001+
3

Verified emails by last verification

0–30
24,285
31–60
1,617
61–90
15
90–180
7
180+
181

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 consultants, so some rows will be adjacent to the category rather than pure plays. The description and evidence 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 SmartSearch, 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 consultants”. Matching reads each company's description, not its industry code or its name.
What we exclude
Companies whose own description does not clearly place them among nonprofit 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 an evidence 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, 26,105 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 5, 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 consultants by metro

Frequently asked

How many nonprofit consultants are there based in the United States?

RevenueBase identified 12,343 nonprofit 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?

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

Which city has the most nonprofit consultants?

New York leads with 500 headquartered companies, followed by Washington (443) and Chicago (351).

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 26,105 verified decision-maker contacts tracked across these 12,343 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 5, 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.