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.
The 25 largest nonprofit consultants based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 5,082 | ||||
“From strategy to execution.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 2 | 4,751 | ||||
“We help businesses and nonprofits grow, communicate, and succeed, professionally and affordably.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 3 | 775 | ||||
“THE NONPROFIT ACCOUNTING SPECIALISTS.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 4 | 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, 2026Thanks. The Data Team will review it. | |||||
| 5 | 728 | ||||
“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, 2026Thanks. The Data Team will review it. | |||||
| 6 | Global Research And Consulting GroupPartial evidence | 643 | |||
“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, 2026Thanks. The Data Team will review it. | |||||
| 7 | REM And CompanyIndirect evidence | 577 | |||
“49% of Businesses fail within their first 5 years.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 8 | FSGPartial evidence | 517 | |||
“At FSG, we are a global nonprofit consulting firm committed to advancing equitable systems change.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 9 | 492 | ||||
“RKD Group is the trusted growth architect for nonprofits.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 10 | NEW York State Technology Enterprise Corporation NystecIndirect evidence | 480 | |||
“For more than 30 years, NYSTEC has provided independent advisory services to our government partners.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 11 | 443 | ||||
“The Bridgespan Group is a global nonprofit that strives to make the world more equitable and just.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 12 | 399 | ||||
“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, 2026Thanks. The Data Team will review it. | |||||
| 13 | Nonprofit Hr, Powered By OnedigitalPartial evidence | 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, 2026Thanks. The Data Team will review it. | |||||
| 14 | Taproot FoundationPartial evidence | 275 | |||
“Taproot Foundation is a nonprofit organization connecting communities and driving social change.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 15 | JCAPartial evidence | 265 | |||
“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, 2026Thanks. The Data Team will review it. | |||||
| 16 | 262 | ||||
“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, 2026Thanks. The Data Team will review it. | |||||
| 17 | 258 | ||||
“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, 2026Thanks. The Data Team will review it. | |||||
| 18 | 250 | ||||
“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, 2026Thanks. The Data Team will review it. | |||||
| 19 | Cogent AnalyticsIndirect evidence | 233 | |||
“Cogent Analytics is a business management consulting firm committed to serving the small to mid-sized business community.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 20 | TCC GroupIndirect evidence | 232 | |||
“TCC Group collaborates with leaders to solve complex social problems.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 21 | 227 | ||||
“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, 2026Thanks. The Data Team will review it. | |||||
| 22 | IFF CdfiPartial evidence | 216 | |||
“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, 2026Thanks. The Data Team will review it. | |||||
| 23 | Nonprofit Finance FundPartial evidence | 212 | |||
“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, 2026Thanks. The Data Team will review it. | |||||
| 24 | M RIndirect evidence | 208 | |||
“We are M+R.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 25 | Ncheng LLPIndirect evidence | 197 | |||
“As certified public accountants and expert financial advisors, we empower non-profits to achieve their mission.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
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, 2026Companies by employee count
Verified emails by last verification
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
- Nonprofit consultants in New York500
- Nonprofit consultants in Washington443
- Nonprofit consultants in Chicago351
- Nonprofit consultants in Atlanta305
- Nonprofit consultants in Los Angeles299
- Nonprofit consultants in Seattle178
- Nonprofit consultants in Denver174
- Nonprofit consultants in Austin163
- Nonprofit consultants in Boston154
- Nonprofit consultants in Houston154
- Nonprofit consultants in San Francisco151
- Nonprofit consultants in Philadelphia149
- Nonprofit consultants in Dallas148
- Nonprofit consultants in Portland129
- Nonprofit consultants in Phoenix122
- Nonprofit consultants in San Diego120
- Nonprofit consultants in Miami110
- Nonprofit consultants in Minneapolis105
- Nonprofit consultants in Charlotte103
- Nonprofit consultants in Indianapolis83
- Nonprofit consultants in Nashville73
- Nonprofit consultants in Cleveland70
- Nonprofit consultants in Columbus68
- Nonprofit consultants in Tampa67
- Nonprofit consultants in Raleigh66
- Nonprofit consultants in Arlington64
- Nonprofit consultants in Baltimore64
- Nonprofit consultants in Pittsburgh62
- Nonprofit consultants in San Antonio61
- Nonprofit consultants in Sacramento60
- Nonprofit consultants in Orlando59
- Nonprofit consultants in Alexandria57
- Nonprofit consultants in Richmond57
- Nonprofit consultants in Detroit56
- Nonprofit consultants in Kansas City55
- Nonprofit consultants in Las Vegas55
- Nonprofit consultants in Oakland51
- Nonprofit consultants in New York City48
- Nonprofit consultants in St. Louis48
- Nonprofit consultants in Cincinnati47
- Nonprofit consultants in Fort Worth47
- Nonprofit consultants in New Orleans47
- Nonprofit consultants in Brooklyn43
- Nonprofit consultants in Madison43
- Nonprofit consultants in Grand Rapids42
- Nonprofit consultants in Jacksonville41
- Nonprofit consultants in Milwaukee41
- Nonprofit consultants in Berkeley40
- Nonprofit consultants in Rochester39
- Nonprofit consultants in Columbia38
- Nonprofit consultants in Louisville38
- Nonprofit consultants in Omaha38
- Nonprofit consultants in Boulder36
- Nonprofit consultants in Colorado Springs36
- Nonprofit consultants in Greenville36
- Nonprofit consultants in Memphis33
- Nonprofit consultants in Albuquerque32
- Nonprofit consultants in Durham30
- Nonprofit consultants in Scottsdale30
- Nonprofit consultants in Fort Lauderdale29
- Nonprofit consultants in Wilmington29
- Nonprofit consultants in Charleston28
- Nonprofit consultants in Lexington28
- Nonprofit consultants in Long Beach28
- Nonprofit consultants in Bethesda27
- Nonprofit consultants in Fairfax27
- Nonprofit consultants in Remote27
- Nonprofit consultants in Tallahassee27
- Nonprofit consultants in Tulsa27
- Nonprofit consultants in Tucson26
- Nonprofit consultants in Ann Arbor25
- Nonprofit consultants in Asheville25
- Nonprofit consultants in Baton Rouge25
- Nonprofit consultants in Birmingham25
- Nonprofit consultants in West Palm Beach25
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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Nonprofit consultants by geography
- Nonprofit consultants based in the United Kingdom
- Nonprofit consultants based in Canada
- Nonprofit consultants based in Brazil
- Nonprofit consultants based in France
- Nonprofit consultants based in Australia
- Nonprofit consultants based in Germany
- Nonprofit consultants based in the Netherlands
- Nonprofit consultants based in Spain
- Nonprofit consultants based in Italy
- Nonprofit consultants based in Sweden
- Nonprofit consultants based in Mexico
- Nonprofit consultants based in Belgium
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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.