Company lists · Data refreshed September 2026

Top 24 Nonprofit legal service providers based in Washington, United States

Name: Nonprofit legal service providers based in Washington, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 20, 2026 38 companies tracked

RevenueBase identified 38 nonprofit legal service providers headquartered in Washington, United States as of September 2026 and tracks 663 professional contacts across them, including 348 with verified work emails. New York is the largest hub.

This list covers nonprofit legal service providers headquartered in Washington, 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

38Companies

663Contacts tracked

348Verified emails

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The 24 largest nonprofit legal service providers based in Washington, United States

Ranked by team size

Top 24 of 38 nonprofit legal service providers based in Washington, United States, ranked by team size, largest first. Data refreshed Sep 20, 2026. RevenueBase Smart Search rates how each company's information relates to nonprofit legal service 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	Legal AID DC	Partial evidence	Washington, DC, United StatesHQ checked Sep 20, 2026	51-200	126 contacts →
	Partial evidence “We help with housing, family law and domestic violence, public benefits, consumer law, immigration, and criminal record sealing, because no one should have to navigate the legal…” Source: RevenueBase Database · checked Sep 20, 2026
2	Equal Justice Works	Indirect evidence	Washington, DC, United StatesHQ checked Sep 20, 2026	11-50	72 contacts →
	Indirect evidence “At Equal Justice Works, we believe that a community of lawyers committed to public service can fulfill our nation’s promise of equal justice for all.” Source: RevenueBase Database · checked Sep 20, 2026
3	Neighborhood Legal Services Program	Partial evidence	Washington, DC, United StatesHQ checked Sep 20, 2026	11-50	49 contacts →
	Partial evidence “Neighborhood Legal Services Program (NLSP) provides free civil legal information, advice and representation to low-income District of Columbia residents.” Source: RevenueBase Database · checked Sep 20, 2026
4	Rising For Justice	Indirect evidence	Washington, DC, United StatesHQ checked Sep 20, 2026	11-50	49 contacts →
	Indirect evidence “At Rising for Justice, we believe everyone deserves justice-today, tomorrow and always.” Source: RevenueBase Database · checked Sep 20, 2026
5	D.C. BAR PRO Bono Center	Indirect evidence	Washington, DC, United StatesHQ checked Sep 20, 2026	11-50	46 contacts →
	Indirect evidence “The D.C.” Source: RevenueBase Database · checked Sep 20, 2026
6	National Legal AID & Defender Association	Strong evidence	Washington, DC, United StatesHQ checked Sep 20, 2026	11-50	43 contacts →
	Strong evidence “National Legal Aid & Defender Association (NLADA), founded in 1911, is America’s oldest and largest nonprofit association devoted to excellence in the delivery of legal services…” Source: RevenueBase Database · checked Sep 20, 2026
7	DC BAR Foundation	Partial evidence	Washington, DC, United StatesHQ checked Sep 20, 2026	11-50	29 contacts →
	Partial evidence “The DC Bar Foundation is the leading funder of civil legal aid in the District of Columbia.” Source: RevenueBase Database · checked Sep 20, 2026
8	DC Affordable LAW Firm	Strong evidence	Washington, DC, United StatesHQ checked Sep 20, 2026	11-50	28 contacts →
	Strong evidence “DC Affordable Law Firm ("DCALF") is a nonprofit law firm in Washington, DC providing accessible and affordable family law, immigration, and probate legal services to hardworking…” Source: RevenueBase Database · checked Sep 20, 2026
9	Webster, Chamberlain & Bean LLP	Partial evidence	Washington, DC, United StatesHQ checked Sep 20, 2026	11-50	27 contacts →
	Partial evidence “Webster, Chamberlain & Bean, LLP is the leading law firm in the United States specializing in the provision of a full range of legal services to tax-exempt organizations.” Source: RevenueBase Database · checked Sep 20, 2026
10	Cuneo, Gilbert & Laduca, LLP	Indirect evidence	Washington, DC, United StatesHQ checked Sep 20, 2026	11-50	26 contacts →
	Indirect evidence “We practice advocacy-and only advocacy.” Source: RevenueBase Database · checked Sep 20, 2026
11	Trister, Ross, Schadler & Gold, Pllc	Partial evidence	Washington, DC, United StatesHQ checked Sep 20, 2026	11-50	26 contacts →
	Partial evidence “Trister, Ross, Schadler & Gold, PLLC combines personalized client service with decades of broad experience and specialized legal expertise.” Source: RevenueBase Database · checked Sep 20, 2026
12	Summit Legal AID	Strong evidence	Washington, PA, United StatesHQ checked Sep 20, 2026	51-200	25 contacts →
	Strong evidence “Summit Legal Aid is a nonprofit organization dedicated to ensuring equal access to justice for vulnerable residents in a 10-county region.” Source: RevenueBase Database · checked Sep 20, 2026
13	PRO Bono Institute	Partial evidence	Washington, DC, United StatesHQ checked Sep 20, 2026	11-50	15 contacts →
	Partial evidence “Founded in 1996, the Pro Bono Institute (PBI) is a Washington, D.C-based nonprofit organization.” Source: RevenueBase Database · checked Sep 20, 2026
14	Tenenbaum LAW Group Pllc	Partial evidence	Washington, DC, United StatesHQ checked Sep 20, 2026	11-50	12 contacts →
	Partial evidence “Tenenbaum Law Group PLLC is a nationally recognized, eight-attorney boutique Washington, DC-based law firm specializing in the representation of nonprofit organizations.” Source: RevenueBase Database · checked Sep 20, 2026
15	Klamp & Associates, P.C	Indirect evidence	Washington, DC, United StatesHQ checked Sep 20, 2026	1-10	11 contacts →
	Indirect evidence “Klamp & Associates is a law firm dedicated exclusively to representing charitable organizations.” Source: RevenueBase Database · checked Sep 20, 2026
16	Harmon, Curran, Spielberg & Eisenberg, LLP	Partial evidence	Washington, DC, United StatesHQ checked Sep 20, 2026	11-50	9 contacts →
	Partial evidence “For more than forty years, we at Harmon, Curran, Spielberg + Eisenberg, LLP, have served the legal needs of individuals and organizations to help them advance social, economic and…” Source: RevenueBase Database · checked Sep 20, 2026
17	The Sheridan Group, Washington D.C	Indirect evidence	Washington, DC, United StatesHQ checked Sep 20, 2026	11-50	5 contacts →
	Indirect evidence “The Sheridan Group began over two decades ago with a simple idea – that good ideas and good causes deserve strong, strategic representation with our elected officials.” Source: RevenueBase Database · checked Sep 20, 2026
18	DC Refers	Indirect evidence	Washington, DC, United StatesHQ checked Sep 20, 2026	1-10	3 contacts →
	Indirect evidence “DC Refers was created to increase access to justice for persons of modest means in the District of Columbia.” Source: RevenueBase Database · checked Sep 20, 2026
19	The Shaffer LAW Firm	Indirect evidence	Washington, DC, United StatesHQ checked Sep 20, 2026	1-10	3 contacts →
	Indirect evidence “Business Organization Counseling, Formation, Governance, Regulatory Compliance, and Dispute Resolution Commercial contracts and transaction negotiation and drafting including…” Source: RevenueBase Database · checked Sep 20, 2026
20	RED Cliff Legal	Partial evidence	Washington, UT, United StatesHQ checked Sep 20, 2026	1-10	1 contacts →
	Partial evidence “Red Cliff Legal can help with entity formation, corporate governance, contract drafting & review, employment matters, policy creation, and intellectual property issues.” Source: RevenueBase Database · checked Sep 20, 2026
21	Howard LAW & Policy Group Pllc	Partial evidence	Washington, DC, United StatesHQ checked Sep 20, 2026	1-10	1 contacts →
	Partial evidence “We operate at the intersection of law and federal policy, offering our clients expert legal advice, policy advocacy and strategic consulting, profile building with key…” Source: RevenueBase Database · checked Sep 20, 2026
22	Harrison-Stein, PC	Indirect evidence	Washington, DC, United StatesHQ checked Sep 20, 2026	1-10	1 contacts →
	Indirect evidence “Outside General Counsel to Small Businesses and Non-Profit Organizations in the District of Columbia - Specializing in Business Formation, Incorporation, Business Licensing…” Source: RevenueBase Database · checked Sep 20, 2026
23	The Manna Group	Strong evidence	Washington, DC, United StatesHQ checked Sep 20, 2026	1-10	1 contacts →
	Strong evidence “Trusted legal counsel delivering critical legal and business strategies and representation to clients in the public and private sectors in addition to the nonprofit and…” Source: RevenueBase Database · checked Sep 20, 2026
24	District Bankruptcy	Partial evidence	Washington, DC, United StatesHQ checked Sep 20, 2026	1-10	1 contacts →
	Partial evidence “Nearly a third of bankruptcy filers in the District of Columbia do not have legal representation.” 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: nonprofit legal service 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 nonprofit legal service providers.
Partial evidence: Its own public description names part of nonprofit legal service providers, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name nonprofit legal service 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 24 of 38 nonprofit legal service providers based in Washington, United States

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Nonprofit legal service providers based in Washington, United States at a glance

As of Sep 20, 2026

52.5%Verified-email coverage

17.4Average contacts per company

11-50Median size (employees)

100.0%Largest-city concentration · New York

Sep 20, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

501-1,000

Email recency for this list is measured across the whole United States list rather than for Washington, so it is reported there. Company counts and contact totals on this page are exact for Washington, over 38 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 nonprofit legal service 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 Washington, United States whose own description of what they do matches “nonprofit legal service 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 nonprofit legal service 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 nonprofit legal service providers, and records with no verified work email. Companies headquartered outside Washington 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, 348 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.

Nonprofit legal service providers by metro in the United States

Nonprofit legal service providers in New York38
Nonprofit legal service providers in Washington38
Nonprofit legal service providers in Chicago31

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 nonprofit legal service 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 nonprofit legal service providers are there based in Washington, United States?

RevenueBase identified 38 nonprofit legal service providers headquartered in Washington, 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?

Legal AID DC, headquartered in Washington, tops this list with the largest team on record.

Which city has the most nonprofit legal service providers?

New York leads with 38 headquartered companies, followed by Washington (38) and Chicago (31).

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 348 verified decision-maker contacts tracked across these 38 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.