Company lists · Data refreshed September 2026

Top 25 Pro bono legal and accounting firms based in the United States

RevenueBase identified 488 company matches for pro bono legal and accounting firms associated with the United States as of September 2026 and tracks 6,416 professional contacts across them, including 2,970 with verified work emails and 2,896 with mobile numbers. New York is the largest hub.

This list covers company matches for pro bono legal and accounting firms 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
488Companies
6,416Contacts tracked
2,970Verified emails
2,896Mobile numbers
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The 25 largest pro bono legal and accounting firms based in the United States

Ranked by team size
Top 25 of 488 company matches for pro bono legal and accounting firms 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, 2026201-500444 contacts →

Exact match

“New York Legal Assistance Group (NYLAG) is a leading civil legal services organization combatting economic, racial, and social injustices by advocating for people experiencing…”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
2Exact matchRoseland, NJ, United StatesHQ recorded Sep 5, 2026201-500288 contacts →

Exact match

“Since 1938, Connell Foley LLP has been unwavering in its commitment to meeting the needs of clients, employees, and the community while maintaining the highest ethical standards…”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
3Exact matchRockford, IL, United StatesHQ recorded Sep 5, 202651-200198 contacts →

Exact match

“Prairie State Legal Services (PSLS) is a nonprofit law firm, serving 36 counties throughout Northern and Central Illinois.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
4Exact matchOklahoma City, OK, United StatesHQ recorded Sep 5, 202651-200185 contacts →

Exact match

“Legal Aid Services of Oklahoma is a non-profit law firm.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
5Exact matchOakland, CA, United StatesHQ recorded Sep 5, 202651-200179 contacts →

Exact match

“Bay Area Legal Aid (BayLegal) ensures fairness in the civil justice system for the most vulnerable members of our community.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
6Exact matchMinneapolis, MN, United StatesHQ recorded Sep 5, 202651-200178 contacts →

Exact match

“For 80 years, Maslon LLP has provided strategic legal counsel to the business community in Minnesota and nationwide.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
7Exact matchLas Vegas, NV, United StatesHQ recorded Sep 5, 202651-200142 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
8Exact matchMinneapolis, MN, United StatesHQ recorded Sep 5, 202651-200136 contacts →

Exact match

“Mid-Minnesota Legal Aid (MMLA) is a nonprofit law firm, providing free legal advice and representation on civil law matters to people of limited income, people with disabilities…”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
9Exact matchSt. Paul, MN, United StatesHQ recorded Sep 5, 202651-200132 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
10Exact matchOrlando, FL, United StatesHQ recorded Sep 5, 202651-200130 contacts →

Exact match

“Community Legal Services (CLS) has approximately 110 lawyers, advocates, and support staff working to provide civil legal aid for low to moderate income residents in Central…”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
11Exact matchBuffalo, NY, United StatesHQ recorded Sep 5, 202651-200118 contacts →

Exact match

“Established in 1912 and serving more than individuals annually, the Legal Aid Bureau of Buffalo is the largest and oldest provider of indigent legal services in Western New York.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
12Exact matchDetroit, MI, United StatesHQ recorded Sep 5, 202611-50115 contacts →

Exact match

“Accounting Aid Society - Growing an Economy That Works for Everyone Accounting Aid Society (AAS) is a nonprofit organization that offers free tax help and counseling; financial…”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
13Exact matchTampa, FL, United StatesHQ recorded Sep 5, 202651-200112 contacts →

Exact match

“Bay Area Legal Services is a nonprofit, public interest law firm.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
14Exact matchOmaha, NE, United StatesHQ recorded Sep 5, 202651-200111 contacts →

Exact match

“Since 1963, Legal Aid of Nebraska has worked to provide disadvantaged individuals with quality legal advice and representation-something that those more fortunate take for granted.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
15Exact matchTallahassee, FL, United StatesHQ recorded Sep 5, 202651-200106 contacts →

Exact match

“Legal Services of North Florida (LSNF) is a private non-profit corporation dedicated to providing free legal representation to low income people with civil legal problems.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
16Exact matchOakland, CA, United StatesHQ recorded Sep 5, 202651-200100 contacts →

Exact match

“Donahue Fitzgerald provides comprehensive legal services to business and non-profit entities at every stage of their lifecycle from seed, entity formation, and start-up through…”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
17Exact matchAkron, OH, United StatesHQ recorded Sep 5, 202651-20099 contacts →

Exact match

“Legal Aid is a non-profit law firm serving Ohioans in Columbiana, Mahoning, Medina, Portage, Stark, Summit, Trumbull, and Wayne Counties.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
18Exact matchWashington, DC, United StatesHQ recorded Sep 5, 20261,001-5,00087 contacts →

Exact match

“Top accounting firm Raffa, P.C.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
19Exact matchSacramento, CA, United StatesHQ recorded Sep 5, 202651-20080 contacts →

Exact match

“Since 1956 Legal Services of Northern California (LSNC) has provided quality legal services that empower the poor to identify and defeat the causes and effects of poverty.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
20Exact matchBoston, MA, United StatesHQ recorded Sep 5, 202611-5077 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
21Exact matchHonolulu, HI, United StatesHQ recorded Sep 5, 202651-20074 contacts →

Exact match

“The Legal Aid Society of Hawaii is a public interest, not-for-profit law firm whose mission is to achieve fairness and justice through legal advocacy, outreach and education for…”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
22Exact matchIrvine, CA, United StatesHQ recorded Sep 5, 202611-5070 contacts →

Exact match

“Omega Accounting Solutions is a financial and tax advisory based in Irvine, California that empowers small and medium-sized businesses (SMBs) to make better-informed decisions.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
23Exact matchLas Vegas, NV, United StatesHQ recorded Sep 5, 202651-20062 contacts →

Exact match

“The mission of Nevada Legal Services is to strengthen the community by ensuring fairness and providing equal access to justice for low income Nevadans.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
24Exact matchJonesboro, AR, United StatesHQ recorded Sep 5, 202611-5057 contacts →

Exact match

“We strive to create equal access to justice for all regardless of economic or social circumstances.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
25Exact matchFall River, MA, United StatesHQ recorded Sep 5, 202611-5051 contacts →

Exact match

“South Coastal Counties Legal Services (SCCLS) is a non-profit organization that offers free legal advice and free legal representation to low-income families and individuals in…”

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

Showing 25 of 488 pro bono legal and accounting firms based in the United States

See the full list, filter by size, metro and specialty, and access 2,970 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Pro bono legal and accounting firms based in the United States at a glance

As of Sep 5, 2026
46.3%Verified-email coverage
45.1%Mobile-number coverage
13.1Average contacts per company
1-10Median size (employees)
4.3%Largest-city concentration · New York
Sep 5, 2026Page data refreshed

Companies by employee count

1-10
328
11-50
117
51-200
35
201-500
5
501-1,000
1
1,001-5,000
1

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 “pro bono legal and accounting firms” 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 2,970 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.

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 “pro bono legal and accounting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many pro bono legal and accounting firms are there based in the United States?

RevenueBase identified 488 company matches for pro bono legal and accounting firms 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?

NEW York Legal Assistance Group tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most pro bono legal and accounting firms?

New York leads with 21 company records, followed by Chicago (13) and Washington (9).

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 2,970 professional contacts with verified work emails tracked across these 488 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.

Ready to reach these companies? Verified emails and direct dials for all 488 pro bono legal and accounting firms based in the United States. Start with a free account, no credit card.

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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.