Company lists · Data refreshed September 2026

Top 25 Pro bono legal services providers based in the United States

Name: Pro bono legal services providers based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 20, 2026 947 companies tracked

RevenueBase identified 947 pro bono legal services providers headquartered in the United States as of September 2026 and tracks 22,334 professional contacts across them, including 8,636 with verified work emails. New York is the largest hub.

This list covers pro bono legal services providers 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, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 20, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 RevenueBase Smart Search rating on every row Refreshed Sep 20, 2026 86% judged on-target in blind review

947Companies

22,334Contacts tracked

8,636Verified emails

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The 25 largest pro bono legal services providers based in the United States

Ranked by team size

Top 25 of 947 pro bono legal services providers based in the United States, ranked by team size, largest first. Data refreshed Sep 20, 2026. RevenueBase Smart Search rates how each company's information relates to pro bono legal services providers: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Public Defender Service For The District Of Columbia	Partial evidence	Washington, DC, United StatesHQ checked Sep 20, 2026	201-500	515 contacts →
	Partial evidence “The Public Defender Service for the District of Columbia (PDS) provides and promotes quality legal representation to indigent adults and children facing a loss of liberty in the…” Source: RevenueBase Database · checked Sep 20, 2026
2	Brooklyn Defenders	Indirect evidence	Brooklyn, NY, United StatesHQ checked Sep 20, 2026	501-1,000	500 contacts →
	Indirect evidence “Brooklyn Defender Services is a public defense office whose mission is to provide outstanding representation and advocacy free of cost to people facing loss of freedom, family…” Source: RevenueBase Database · checked Sep 20, 2026
3	NEW York Legal Assistance Group	Partial evidence	New York, NY, United StatesHQ checked Sep 20, 2026	201-500	444 contacts →
	Partial evidence “New York Legal Assistance Group (NYLAG) is a leading civil legal services organization combatting economic, racial, and social injustices by advocating for people experiencing…” Source: RevenueBase Database · checked Sep 20, 2026
4	Rocket Lawyer	Partial evidence	San Francisco, CA, United StatesHQ checked Sep 20, 2026	201-500	423 contacts →
	Partial evidence “At Rocket Lawyer, we believe everyone deserves affordable and simple legal services.” Source: RevenueBase Database · checked Sep 20, 2026
5	Texas Riogrande Legal AID	Partial evidence	Mercedes, TX, United StatesHQ checked Sep 20, 2026	201-500	314 contacts →
	Partial evidence “Texas RioGrande Legal Aid provides free legal services to people who cannot afford an attorney in 68 southwestern counties, including the entire Texas-Mexico border.” Source: RevenueBase Database · checked Sep 20, 2026
6	Maryland Legal AID	Partial evidence	Baltimore, MD, United StatesHQ checked Sep 20, 2026	201-500	298 contacts →
	Partial evidence “Maryland Legal Aid (MLA) is a statewide private, nonprofit law firm that provides free, civil legal services to low-income and vulnerable people to address their most fundamental…” Source: RevenueBase Database · checked Sep 20, 2026
7	Community Legal Services Of Philadelphia	Partial evidence	Philadelphia, PA, United StatesHQ checked Sep 20, 2026	51-200	290 contacts →
	Partial evidence “Community Legal Services (CLS) is nationally recognized as a model legal services program.” Source: RevenueBase Database · checked Sep 20, 2026
8	Connell Foley LLP	Indirect evidence	Roseland, NJ, United StatesHQ checked Sep 20, 2026	201-500	288 contacts →
	Indirect evidence “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…” Source: RevenueBase Database · checked Sep 20, 2026
9	Legal AID Of Northwest Texas	Partial evidence	Fort Worth, TX, United StatesHQ checked Sep 20, 2026	201-500	280 contacts →
	Partial evidence “Legal Aid of NorthWest Texas provides free civil legal services to eligible low-income residents in 114 Texas counties.” Source: RevenueBase Database · checked Sep 20, 2026
10	Legal AID Foundation Of LOS Angeles	Partial evidence	Los Angeles, CA, United StatesHQ checked Sep 20, 2026	51-200	257 contacts →
	Partial evidence “Legal Aid Foundation of Los Angeles achieves justice for people living in poverty across Los Angeles County.” Source: RevenueBase Database · checked Sep 20, 2026
11	Greater Boston Legal Services	Partial evidence	Boston, MA, United StatesHQ checked Sep 20, 2026	51-200	252 contacts →
	Partial evidence “Greater Boston Legal Services (GBLS) plays an indispensable role in the lives of people living in poverty in the Boston area by providing free, high-quality civil (non-criminal)…” Source: RevenueBase Database · checked Sep 20, 2026
12	Legal Services Of NEW Jersey	Partial evidence	Edison, NJ, United StatesHQ checked Sep 20, 2026	201-500	247 contacts →
	Partial evidence “Legal Services of New Jersey (LSNJ), an independent, non-profit organization, coordinates the statewide Legal Services system.” Source: RevenueBase Database · checked Sep 20, 2026
13	Neighborhood Legal Services Of LOS Angeles County	Partial evidence	Glendale, CA, United StatesHQ checked Sep 20, 2026	51-200	240 contacts →
	Partial evidence “Each year Neighborhood Legal Services of Los Angeles County (NLSLA) provides free assistance to more than individuals and families through innovative projects that expand access…” Source: RevenueBase Database · checked Sep 20, 2026
14	Legal AID Society Of SAN Diego	Partial evidence	San Diego, CA, United StatesHQ checked Sep 20, 2026	201-500	208 contacts →
	Partial evidence “The Legal Aid Society of San Diego is a proud, committed and compassionate group of people dedicated to providing equal access to justice for poor people through aggressive…” Source: RevenueBase Database · checked Sep 20, 2026
15	Legal AID Chicago	Partial evidence	Chicago, IL, United StatesHQ checked Sep 20, 2026	201-500	199 contacts →
	Partial evidence “For more than 50 years, Legal Aid Chicago (formerly LAF) has provided free legal services in civil matters to Cook County residents living in poverty and other vulnerable members…” Source: RevenueBase Database · checked Sep 20, 2026
16	Prairie State Legal Services INC	Partial evidence	Rockford, IL, United StatesHQ checked Sep 20, 2026	51-200	198 contacts →
	Partial evidence “Prairie State Legal Services (PSLS) is a nonprofit law firm, serving 36 counties throughout Northern and Central Illinois.” Source: RevenueBase Database · checked Sep 20, 2026
17	Legal Services Of The Hudson Valley	Partial evidence	White Plains, NY, United StatesHQ checked Sep 20, 2026	51-200	186 contacts →
	Partial evidence “The mission of Legal Services of the Hudson Valley is to provide free, high quality counsel in civil matters for poor and low-income individuals and families who cannot afford to…” Source: RevenueBase Database · checked Sep 20, 2026
18	Legal AID Services Of Oklahoma	Partial evidence	Oklahoma City, OK, United StatesHQ checked Sep 20, 2026	51-200	185 contacts →
	Partial evidence “Legal Aid Services of Oklahoma is a non-profit law firm.” Source: RevenueBase Database · checked Sep 20, 2026
19	Atlanta Legal AID Society	Partial evidence	Atlanta, GA, United StatesHQ checked Sep 20, 2026	51-200	180 contacts →
	Partial evidence “The Atlanta Legal Aid Society has represented Atlanta's poor in civil legal cases since 1924.” Source: RevenueBase Database · checked Sep 20, 2026
20	BAY Area Legal AID	Partial evidence	Oakland, CA, United StatesHQ checked Sep 20, 2026	51-200	179 contacts →
	Partial evidence “Bay Area Legal Aid (BayLegal) ensures fairness in the civil justice system for the most vulnerable members of our community.” Source: RevenueBase Database · checked Sep 20, 2026
21	BET Tzedek Legal Services	Partial evidence	Los Angeles, CA, United StatesHQ checked Sep 20, 2026	51-200	174 contacts →
	Partial evidence “Founded in 1974, Bet Tzedek pursues equal justice for all by providing high-quality, free legal services to the unhoused, undocumented immigrants, LGBTQIA+ community, low-wage…” Source: RevenueBase Database · checked Sep 20, 2026
22	Metropolitan Public Defender	Indirect evidence	Portland, OR, United StatesHQ checked Sep 20, 2026	51-200	166 contacts →
	Indirect evidence “Metropolitan Public Defender has been on the cutting edge of public defense since our inception in 1971.” Source: RevenueBase Database · checked Sep 20, 2026
23	The Legal AID Society Of Cleveland	Partial evidence	Cleveland, OH, United StatesHQ checked Sep 20, 2026	51-200	149 contacts →
	Partial evidence “Legal Aid’s mission is to secure justice, equity, and access to opportunity for and with people who have low incomes through passionate legal representation and advocacy for…” Source: RevenueBase Database · checked Sep 20, 2026
24	Southeast Louisiana Legal Services	Partial evidence	New Orleans, LA, United StatesHQ checked Sep 20, 2026	51-200	147 contacts →
	Partial evidence “Founded in 1979 and merging with the New Orleans Legal Assistance Corporation (NOLAC), established in 1967, SLLS has grown to a staff of almost 100 people with hundreds of…” Source: RevenueBase Database · checked Sep 20, 2026
25	Children's LAW Center	Indirect evidence	Washington, DC, United StatesHQ checked Sep 20, 2026	51-200	145 contacts →
	Indirect evidence “Children’s Law Center believes every child should grow up with a strong foundation of family, health and education and live in a world free from poverty, trauma, racism and other…” Source: RevenueBase Database · checked Sep 20, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: pro bono legal services providers. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names pro bono legal services providers.
Partial evidence: Its own public description names part of pro bono legal services providers, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name pro bono legal services providers. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 947 pro bono legal services providers based in the United States

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Pro bono legal services providers based in the United States at a glance

As of Sep 20, 2026

38.7%Verified-email coverage

23.6Average contacts per company

1-10Median size (employees)

4.1%Largest-city concentration · New York

Sep 20, 2026Page data refreshed

Companies by employee count

1-10

538

11-50

270

51-200

114

201-500

501-1,000

1,001-5,000

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 947 companies.

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 legal services providers, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search 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 Smart Search, 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 legal services providers”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names pro bono legal services providers), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among pro bono legal services providers, 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 its RevenueBase Smart Search 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, 8,636 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 20, 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.

Pro bono legal services providers by metro

Pro bono legal services providers in New York39
Pro bono legal services providers in Chicago27

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names pro bono legal services providers, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many pro bono legal services providers are there based in the United States?

RevenueBase identified 947 pro bono legal services providers 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?

Public Defender Service For The District Of Columbia, headquartered in Washington, tops this list with the largest team on record.

Which city has the most pro bono legal services providers?

New York leads with 39 headquartered companies, followed by Chicago (27) and Washington (23).

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 8,636 verified decision-maker contacts tracked across these 947 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 20, 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 Smart Search, 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.