Company lists · Data refreshed September 2026

Top 25 Nonprofit consultants based in the United States

RevenueBase identified 12,343 company matches for nonprofit consultants associated with 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 company matches for nonprofit consultants 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 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 RevenueBase SmartSearch · Exact Recorded Sep 5, 2026 How this list was built
12,343Companies
87,091Contacts tracked
26,105Verified emails
32,983Mobile numbers
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The 25 largest nonprofit consultants based in the United States

Ranked by team size
Top 25 of 12,343 company matches for nonprofit consultants based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 5, 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 Sep 5, 20261,001-5,0005,082 contacts →

Exact match

“From strategy to execution.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
2Exact matchChicago, IL, United StatesHQ recorded Sep 5, 2026n/a4,751 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
3Exact matchPhiladelphia, PA, United StatesHQ recorded Sep 5, 2026501-1,000775 contacts →

Exact match

“THE NONPROFIT ACCOUNTING SPECIALISTS.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
4Exact matchLos Angeles, CA, United StatesHQ recorded Sep 5, 202610001+756 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
5Exact matchNew York, NY, United StatesHQ recorded Sep 5, 2026501-1,000728 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 · Sep 5, 2026 · View company records in RevenueBase
6Exact matchPhiladelphia, PA, United StatesHQ recorded Sep 5, 20261,001-5,000643 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
7Exact matchSt. Louis, United StatesHQ recorded Sep 5, 2026201-500577 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
8Exact matchBoston, MA, United StatesHQ recorded Sep 5, 202651-200517 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
9Exact matchPlano, TX, United StatesHQ recorded Sep 5, 2026201-500492 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
10Exact matchRome, NY, United StatesHQ recorded Sep 5, 2026201-500480 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
11Exact matchBoston, MA, United StatesHQ recorded Sep 5, 2026201-500443 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
12Exact matchMclean, VA, United StatesHQ recorded Sep 5, 2026201-500399 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
13Exact matchWashington, DC, United StatesHQ recorded Sep 5, 202610001+300 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
14Exact matchSan Francisco, CA, United StatesHQ recorded Sep 5, 2026n/a275 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
15Exact matchChicago, IL, United StatesHQ recorded Sep 5, 2026n/a265 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 · Sep 5, 2026 · View company records in RevenueBase
16Exact matchIndianapolis, IN, United StatesHQ recorded Sep 5, 202651-200262 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 · Sep 5, 2026 · View company records in RevenueBase
17Exact matchBaton Rouge, LA, United StatesHQ recorded Sep 5, 2026n/a258 contacts →

Exact match

“We are partners and advisors of leading organizations and governments, bound to and inspired by a mission of helping our clients improve their performance.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
18Exact matchBoston, MA, United StatesHQ recorded Sep 5, 2026201-500250 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
19Exact matchGreensboro, NC, United StatesHQ recorded Sep 5, 2026201-500233 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
20Exact matchNew York, NY, United StatesHQ recorded Sep 5, 2026n/a232 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
21Exact matchWashington, DC, United StatesHQ recorded Sep 5, 2026201-500227 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 · Sep 5, 2026 · View company records in RevenueBase
22Exact matchChicago, IL, United StatesHQ recorded Sep 5, 202651-200216 contacts →

Exact match

“Grounded in equity and deep sector expertise, IFF champions nonprofits to shape more equitable and vibrant communities through community-centered lending, development, and real…”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
23Exact matchNew York, NY, United StatesHQ recorded Sep 5, 202651-200212 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 · Sep 5, 2026 · View company records in RevenueBase
24Exact matchWashington, United StatesHQ recorded Sep 5, 202651-200208 contacts →

Exact match

“We are M+R.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
25Exact matchNew York, NY, United StatesHQ recorded Sep 5, 202651-200197 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase

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

See the full list, filter by size, metro and specialty, and access 26,105 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Nonprofit consultants based in the United States at a glance

As of Sep 5, 2026
30.0%Verified-email coverage
37.9%Mobile-number coverage
7.1Average contacts per company
1-10Median size (employees)
4.4%Largest-city concentration · New York
Sep 5, 2026Page data 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

Freshness & accuracy

How recently the business emails on this list were verified

Email last verified

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 consultants” 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 26,105 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 September 5, 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 consultants 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 consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

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

RevenueBase identified 12,343 company matches for nonprofit consultants associated with the United States as of September 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?

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

Which city has the most nonprofit consultants?

New York leads with 548 company records, 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 limited free results with 500 credits to start. Upgrading provides access to the 26,105 professional contacts with verified work emails tracked across these 12,343 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 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.