Company lists · Data refreshed September 2026

Top 25 Pro bono consulting firms based in the United States

RevenueBase identified 2,122 pro bono consulting firms headquartered in the United States as of September 2026 and tracks 18,345 professional contacts across them, including 4,116 with verified work emails and 6,666 with mobile numbers. New York is the largest hub.

This list covers pro bono consulting firms 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
2,122Companies
18,345Contacts tracked
4,116Verified emails
6,666Mobile numbers
Unlock all 2,122 companies Free signup · no credit card · 500 free credits

The 25 largest pro bono consulting firms based in the United States

Ranked by team size
Top 25 of 2,122 pro bono consulting firms 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 pro bono consulting firms: 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
Bank Of The WestIndirect 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
2
Taproot FoundationIndirect 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
3
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
4
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
5
M RIndirect evidence
Washington, United StatesHQ checked Sep 5, 202651-200208

“We are M+R.”

Source: company website · checked Sep 5, 2026
6Cambridge, MA, United StatesHQ checked Sep 5, 202651-200144

“Harvard Undergraduate Consulting Group is a nonprofit student organization at Harvard dedicated to helping businesses grow and achieve their strategic goals.”

Source: company website · checked Sep 5, 2026
7Las Vegas, NV, United StatesHQ checked Sep 5, 202651-200142

“Established in 1958, Legal Aid Center of Southern Nevada is a private, non-profit, 501(c)(3) organization that ensures equal access to justice through free legal advice and…”

Source: company website · checked Sep 5, 2026
8
The Acceleration ProjectIndirect evidence
Scarsdale, NY, United StatesHQ checked Sep 5, 202611-50131

“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…”

Source: company website · checked Sep 5, 2026
9
BWFPartial evidence
Usa, United StatesHQ checked Sep 5, 202651-200125

“BWF Zuri is the nonprofit sector’s most comprehensive fundraising consulting company, helping organizations thrive in a rapidly changing landscape.”

Source: company website · checked Sep 5, 2026
10
JMT ConsultingIndirect evidence
Mount Juliet, TN, United StatesHQ checked Sep 5, 202651-200112

“Our number one priority at JMT is to empower nonprofits to achieve their mission through optimized systems and processes.”

Source: company website · checked Sep 5, 2026
11
Zuri GroupIndirect evidence
Bend, OR, United StatesHQ checked Sep 5, 202651-200106

“Zuri Group partners with nonprofit organizations to turn big ideas into reality.”

Source: company website · checked Sep 5, 2026
12
Campbell & CompanyPartial evidence
Chicago, IL, United StatesHQ checked Sep 5, 202651-200102

“Campbell & Company is a national nonprofit consulting firm that helps organizations create greater impact through fundraising, communications and strategic information services.”

Source: company website · checked Sep 5, 2026
13
Hilltop ConsultantsPartial evidence
Washington, DC, United StatesHQ checked Sep 5, 202611-50101

“Hilltop Consultants is a consulting organization entirely run by Georgetown University undergraduates that executes and leads 6-7 strategy consulting projects each semester for…”

Source: company website · checked Sep 5, 2026
14Atlanta, GA, United StatesHQ checked Sep 5, 202611-5088

“Consult Your Community (CYC) is a student-run organization that provides pro-bono consulting services to small businesses across the United States.”

Source: company website · checked Sep 5, 2026
15
Schultz & WilliamsPartial evidence
Philadelphia, PA, United StatesHQ checked Sep 5, 202651-20083

“Schultz & Williams is a national consulting firm dedicated to helping nonprofits of all types and sizes achieve financial stability, meet organizational goals, and support greater…”

Source: company website · checked Sep 5, 2026
16Boston, MA, United StatesHQ checked Sep 5, 202611-5077

“The Volunteer Lawyers Project of the Boston Bar Association (VLP) is a private non-profit organization, established in 1977, that provides free civil legal assistance to…”

Source: company website · checked Sep 5, 2026
17
Empower Success CorpsIndirect evidence
Boston, MA, United StatesHQ checked Sep 5, 202651-20074

“At ESC, our mission is to empower nonprofits to achieve their goals & contribute to a more just and equitable world.”

Source: company website · checked Sep 5, 2026
18
BostromPartial evidence
Chicago, IL, United StatesHQ checked Sep 5, 202651-20072

“Bostrom is a professional services firm offering comprehensive management, consulting and outsourcing to the not-for-profit community.”

Source: company website · checked Sep 5, 2026
19
BEACNPartial evidence
Berkeley, CA, United StatesHQ checked Sep 5, 202611-5072

“BEACN is a student-run, non-profit business consulting organization at UC Berkeley.”

Source: company website · checked Sep 5, 2026
20
Freedman Consulting, LLCPartial evidence
Washington, DC, United StatesHQ checked Sep 5, 202611-5061

“Freedman Consulting, LLC, a mission-driven firm, offers strategic consulting services to foundations, nonprofit organizations, and public interest coalitions, advising many of the…”

Source: company website · checked Sep 5, 2026
21Atlanta, United StatesHQ checked Sep 5, 202651-20061

“The Georgia Tech CYC chapter was founded in 2014 with the purpose of providing pro-bono consulting services to small businesses in the greater Atlanta area.”

Source: company website · checked Sep 5, 2026
22
DickersonbakkerIndirect evidence
Raleigh, NC, United StatesHQ checked Sep 5, 202611-5056

“We help nonprofits amplify their impact to create more good in the world.”

Source: company website · checked Sep 5, 2026
23
501 CommonsIndirect evidence
Seattle, WA, United StatesHQ checked Sep 5, 202651-20056

“We all rise when nonprofits thrive.”

Source: company website · checked Sep 5, 2026
24
BDO FMAIndirect evidence
New York, NY, United StatesHQ checked Sep 5, 202611-5054

“BDO FMA exists to build a community of individuals with the confidence and skills to lead organizations that change the world.”

Source: company website · checked Sep 5, 2026
25Los Angeles, CA, United StatesHQ checked Sep 5, 202651-20051

“ESC provides high-quality, accessible coaching and consulting services for nonprofits throughout Southern California.”

Source: company website · checked Sep 5, 2026

Showing 25 of 2,122 pro bono consulting firms based in the United States

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Pro bono consulting firms based in the United States at a glance

As of Sep 5, 2026
1-10Median size (employees)
New YorkLargest hub · 94 HQs
6,666Contacts with mobile numbers
Sep 5, 2026Data refreshed

Companies by employee count

1-10
1,790
11-50
276
51-200
50
201-500
5
1,001-5,000
1

Verified emails by last verification

0–30
3,795
31–60
248
61–90
6
90–180
2
180+
65

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 pro bono consulting firms, 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 “pro bono consulting firms”. 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 pro bono consulting firms, 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, 4,116 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.

Frequently asked

How many pro bono consulting firms are there based in the United States?

RevenueBase identified 2,122 pro bono consulting firms 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?

Bank Of The West, headquartered in Chicago, tops this list with the largest team on record.

Which city has the most pro bono consulting firms?

New York leads with 94 headquartered companies, followed by Chicago (76) and Washington (76).

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 4,116 verified decision-maker contacts tracked across these 2,122 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.