Company lists · Data refreshed September 2026
Top 25 Non-profit law firms based in Washington, United States
RevenueBase identified 126 company matches for non-profit law firms associated with Washington, United States as of September 2026 and tracks 4,456 professional contacts across them, including 2,563 with verified work emails. Across the United States, New York is the largest hub for this category (168 companies); Washington follows with 126.
This list covers company matches for non-profit law firms associated with Washington, 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 14, 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 non-profit law firms based in Washington, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,790 contacts → | ||||
Exact match “Committed to Your Success – As a law firm of more than 900 professionals, Venable delivers legal services globally in every area of regulatory compliance, government affairs…” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase | |||||
| 2 | 576 contacts → | ||||
Exact match “Founded in 1983, Wiley is a dominant presence in the nation’s capital.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase | |||||
| 3 | 236 contacts → | ||||
Exact match “Cohen Milstein Sellers & Toll LLP champions the causes of real people-workers, consumers, small business owners, investors, and whistleblowers-working to deliver corporate reforms…” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase | |||||
| 4 | 145 contacts → | ||||
Exact match “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…” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase | |||||
| 5 | 126 contacts → | ||||
Exact match “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…” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase | |||||
| 6 | 101 contacts → | ||||
Exact match “Powers Pyles Sutter & Verville PC is a Washington, DC-based law firm that began with a strong focus on healthcare law and healthcare policy and has gradually expanded capabilities…” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase | |||||
| 7 | 73 contacts → | ||||
Exact match “Since 1977, Reno & Cavanaugh has been a national law firm dedicated to strengthening communities through strategic use of public and private resources.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase | |||||
| 8 | 72 contacts → | ||||
Exact match “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.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase | |||||
| 9 | 50 contacts → | ||||
Exact match “Ivins, Phillips & Barker is exclusively engaged in the practice of federal tax, benefits and compensation, and estate and gift tax law.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase | |||||
| 10 | 49 contacts → | ||||
Exact match “At Rising for Justice, we believe everyone deserves justice-today, tomorrow and always.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase | |||||
| 11 | 46 contacts → | ||||
Exact match “The D.C.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase | |||||
| 12 | 43 contacts → | ||||
Exact match “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…” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase | |||||
| 13 | 36 contacts → | ||||
Exact match “Tiber Hudson LLC is a boutique law firm focused in providing legal services including complex commercial litigation, complex commercial transactions, corporate structure and…” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase | |||||
| 14 | 29 contacts → | ||||
Exact match “The DC Bar Foundation is the leading funder of civil legal aid in the District of Columbia.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase | |||||
| 15 | 28 contacts → | ||||
Exact match “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…” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase | |||||
| 16 | 27 contacts → | ||||
Exact match “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.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase | |||||
| 17 | 26 contacts → | ||||
Exact match “We practice advocacy-and only advocacy.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase | |||||
| 18 | 26 contacts → | ||||
Exact match “Trister, Ross, Schadler & Gold, PLLC combines personalized client service with decades of broad experience and specialized legal expertise.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase | |||||
| 19 | 25 contacts → | ||||
Exact match “Summit Legal Aid is a nonprofit organization dedicated to ensuring equal access to justice for vulnerable residents in a 10-county region.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase | |||||
| 20 | 25 contacts → | ||||
Exact match “You can count on Weisbrod Matteis & Copley when the stakes are high.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase | |||||
| 21 | 18 contacts → | ||||
Exact match “The Washington Legal Clinic for the Homeless envisions a just and inclusive community for all residents of the District of Columbia, where housing is a human right and where every…” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase | |||||
| 22 | 18 contacts → | ||||
Exact match “Silver, Freedman, Taff & Tiernan LLP, is a preeminent legal services provider based in Washington, DC.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase | |||||
| 23 | 15 contacts → | ||||
Exact match “Terris, Pravlik & Millian, LLP was founded by Bruce J.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase | |||||
| 24 | 15 contacts → | ||||
Exact match “Founded in 1996, the Pro Bono Institute (PBI) is a Washington, D.C-based nonprofit organization.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase | |||||
| 25 | 12 contacts → | ||||
Exact match “Tenenbaum Law Group PLLC is a nationally recognized, eight-attorney boutique Washington, DC-based law firm specializing in the representation of nonprofit organizations.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “non-profit law firms”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 126 non-profit law firms based in Washington, United States
See the full list, filter by size, metro and specialty, and access 2,563 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Non-profit law firms based in Washington, United States at a glance
As of Sep 14, 2026Companies by employee count
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 126 companies.
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 Washington, United States whose business descriptions match “non-profit law 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 2,563 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 14, 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.
Non-profit law firms by metro in the United States
- Non-profit law firms in New York168
- Non-profit law firms in Chicago112
- Non-profit law firms in Los Angeles111
- Non-profit law firms in Houston84
- Non-profit law firms in Atlanta63
- Non-profit law firms in Philadelphia63
- Non-profit law firms in Miami56
- Non-profit law firms in San Francisco55
- Non-profit law firms in Dallas52
- Non-profit law firms in Denver51
- Non-profit law firms in Portland50
- Non-profit law firms in San Diego49
- Non-profit law firms in Seattle44
- Non-profit law firms in Austin40
- Non-profit law firms in Boston39
- Non-profit law firms in Phoenix39
- Non-profit law firms in Minneapolis32
- Non-profit law firms in Oakland31
- Non-profit law firms in Tampa31
- Non-profit law firms in Charlotte27
- Non-profit law firms in Orlando27
- Non-profit law firms in Columbus26
- Non-profit law firms in Jacksonville26
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 “non-profit law firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many non-profit law firms are there based in Washington, United States?
RevenueBase identified 126 company matches for non-profit law firms associated with Washington, 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?
Venable LLP tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city in the United States has the most non-profit law firms?
New York leads the United States with 168 company records, followed by Washington (126) and Chicago (112).
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 2,563 professional contacts with verified work emails tracked across these 126 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 14, 2026.
Ready to reach these companies? Verified emails and direct dials for all 126 non-profit law firms based in Washington, United States. Start with a free account, no credit card.
Download this list →Related lists
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- Non-profit law firms based in Toronto, Canada
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.
More company lists
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- New lists
- Non-profit law firms based in Belo Horizonte, Brazil
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Company intelligence · public preview
Top 25 non-profit law firms based in Washington, United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 126 matching company records for non-profit law firms based in Washington, United States, with 4,456 tracked contacts and 2,563 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 14, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 non-profit law firms based in Washington, United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Venable LLPvenable.comHQ: Washington, DC, United StatesReported employees: 1,001-5,000 | Washington, DC, United States | 1,001-5,000 | Exact match | 1,790 contacts → |
“Committed to Your Success – As a law firm of more than 900 professionals, Venable delivers legal services globally in every area of regulatory compliance, government affairs…” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Wiley Rein LLPwiley.lawHQ: Washington, DC, United StatesReported employees: 501-1,000 | Washington, DC, United States | 501-1,000 | Exact match | 576 contacts → |
“Founded in 1983, Wiley is a dominant presence in the nation’s capital.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Cohen Milstein Sellers & Toll LLPcohenmilstein.comHQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 236 contacts → |
“Cohen Milstein Sellers & Toll LLP champions the causes of real people-workers, consumers, small business owners, investors, and whistleblowers-working to deliver corporate reforms…” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Children's LAW Centerchildrenslawcenter.orgHQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 145 contacts → |
“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…” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Legal AID DClegalaiddc.orgHQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 126 contacts → |
“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…” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Powers LAWpowerslaw.comHQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 101 contacts → |
“Powers Pyles Sutter & Verville PC is a Washington, DC-based law firm that began with a strong focus on healthcare law and healthcare policy and has gradually expanded capabilities…” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Reno & Cavanaugh, Pllcrenocavanaugh.comHQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 73 contacts → |
“Since 1977, Reno & Cavanaugh has been a national law firm dedicated to strengthening communities through strategic use of public and private resources.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Equal Justice Worksequaljusticeworks.orgHQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 72 contacts → |
“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.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Ivins, Phillips & Barkeripbtax.comHQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 50 contacts → |
“Ivins, Phillips & Barker is exclusively engaged in the practice of federal tax, benefits and compensation, and estate and gift tax law.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Rising For Justicerisingforjustice.orgHQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 49 contacts → |
“At Rising for Justice, we believe everyone deserves justice-today, tomorrow and always.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  D.C. BAR PRO Bono Centerdcbar.orgHQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 46 contacts → |
“The D.C.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 43 contacts → |
“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…” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Tiber Hudson LLCtiberhudson.comHQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 36 contacts → |
“Tiber Hudson LLC is a boutique law firm focused in providing legal services including complex commercial litigation, complex commercial transactions, corporate structure and…” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  DC BAR Foundationdcbarfoundation.orgHQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 29 contacts → |
“The DC Bar Foundation is the leading funder of civil legal aid in the District of Columbia.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  DC Affordable LAW Firmdcaffordablelaw.orgHQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 28 contacts → |
“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…” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Webster, Chamberlain & Bean LLPwc-b.comHQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 27 contacts → |
“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.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Cuneo, Gilbert & Laduca, LLPcuneolaw.com HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 26 contacts → |
“We practice advocacy-and only advocacy.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Trister, Ross, Schadler & Gold, Pllctristerross.comHQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 26 contacts → |
“Trister, Ross, Schadler & Gold, PLLC combines personalized client service with decades of broad experience and specialized legal expertise.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Summit Legal AIDsummitlegal.orgHQ: Washington, PA, United StatesReported employees: 51-200 | Washington, PA, United States | 51-200 | Exact match | 25 contacts → |
“Summit Legal Aid is a nonprofit organization dedicated to ensuring equal access to justice for vulnerable residents in a 10-county region.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Weisbrod Matteis & Copley Pllcwmclaw.comHQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 25 contacts → |
“You can count on Weisbrod Matteis & Copley when the stakes are high.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  The Washington Legal Clinic For The Homelesslegalclinic.orgHQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 18 contacts → |
“The Washington Legal Clinic for the Homeless envisions a just and inclusive community for all residents of the District of Columbia, where housing is a human right and where every…” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Silver, Freedman, Taff & Tiernan LLPsfttlaw.comHQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 18 contacts → |
“Silver, Freedman, Taff & Tiernan LLP, is a preeminent legal services provider based in Washington, DC.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Terris, Pravlik & Millian, LLPtpmlaw.comHQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 15 contacts → |
“Terris, Pravlik & Millian, LLP was founded by Bruce J.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  PRO Bono Instituteprobonoinst.orgHQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 15 contacts → |
“Founded in 1996, the Pro Bono Institute (PBI) is a Washington, D.C-based nonprofit organization.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Tenenbaum LAW Group Pllctenenbaumlegal.comHQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 12 contacts → |
“Tenenbaum Law Group PLLC is a nationally recognized, eight-attorney boutique Washington, DC-based law firm specializing in the representation of nonprofit organizations.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 126 company matches
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Non-profit law firms: dataset insights
September 14, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
126 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 126 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 14, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Non-profit law firms by metro in the United States
- Non-profit law firms in New York168
- Non-profit law firms in Chicago112
- Non-profit law firms in Los Angeles111
- Non-profit law firms in Houston84
- Non-profit law firms in Atlanta63
- Non-profit law firms in Philadelphia63
- Non-profit law firms in Miami56
- Non-profit law firms in San Francisco55
- Non-profit law firms in Dallas52
- Non-profit law firms in Denver51
- Non-profit law firms in Portland50
- Non-profit law firms in San Diego49
- Non-profit law firms in Seattle44
- Non-profit law firms in Austin40
- Non-profit law firms in Boston39
- Non-profit law firms in Phoenix39
- Non-profit law firms in Minneapolis32
- Non-profit law firms in Oakland31
- Non-profit law firms in Tampa31
- Non-profit law firms in Charlotte27
- Non-profit law firms in Orlando27
- Non-profit law firms in Columbus26
- Non-profit law firms in Jacksonville26
Questions about this company list
What does Exact match mean for non-profit law firms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many non-profit law firms did RevenueBase find based in Washington, United States?
The saved snapshot records 126 matching company records, 4,456 tracked contacts and 2,563 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 14, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Non-profit law firms by geography
- Non-profit law firms based in Belo Horizonte, Brazil
- Non-profit law firms based in Brasilia, Brazil
- Non-profit law firms based in Campinas, Brazil
- Non-profit law firms based in Curitiba, Brazil
- Non-profit law firms based in Porto Alegre, Brazil
- Non-profit law firms based in Recife, Brazil
- Non-profit law firms based in Rio De Janeiro, Brazil
- Non-profit law firms based in Salvador, Brazil
- Non-profit law firms based in Sao Paulo, Brazil
- Non-profit law firms based in Calgary, Canada
- Non-profit law firms based in Ottawa, Canada
- Non-profit law firms based in Toronto, Canada
Cite this list
RevenueBase Data Team. Top 25 non-profit law firms based in Washington, United States. Snapshot: September 14, 2026. https://revenuebase.ai/companies/non-profit-law-firms/united-states/washington.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Non-profit law firms based in Belo Horizonte, Brazil
- Non-profit law firms based in Brasilia, Brazil
- Non-profit law firms based in Campinas, Brazil
- Non-profit law firms based in Curitiba, Brazil
- Non-profit law firms based in Porto Alegre, Brazil
- Non-profit law firms based in Recife, Brazil
Company intelligence · public preview
Top 25 non-profit law firms based in Washington, United States
RevenueBase records 126 matching company records for non-profit law firms based in Washington, United States, with 4,456 tracked contacts and 2,563 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 14, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 non-profit law firms based in Washington, United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Venable LLPvenable.com HQ: Washington, DC, United StatesReported employees: 1,001-5,000 | Washington, DC, United States | 1,001-5,000 | Exact match | 1,790 contacts → |
“Committed to Your Success – As a law firm of more than 900 professionals, Venable delivers legal services globally in every area of regulatory compliance, government affairs…” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Wiley Rein LLPwiley.law HQ: Washington, DC, United StatesReported employees: 501-1,000 | Washington, DC, United States | 501-1,000 | Exact match | 576 contacts → |
“Founded in 1983, Wiley is a dominant presence in the nation’s capital.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Cohen Milstein Sellers & Toll LLPcohenmilstein.com HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 236 contacts → |
“Cohen Milstein Sellers & Toll LLP champions the causes of real people-workers, consumers, small business owners, investors, and whistleblowers-working to deliver corporate reforms…” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Children's LAW Centerchildrenslawcenter.org HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 145 contacts → |
“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…” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Legal AID DClegalaiddc.org HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 126 contacts → |
“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…” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Powers LAWpowerslaw.com HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 101 contacts → |
“Powers Pyles Sutter & Verville PC is a Washington, DC-based law firm that began with a strong focus on healthcare law and healthcare policy and has gradually expanded capabilities…” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Reno & Cavanaugh, Pllcrenocavanaugh.com HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 73 contacts → |
“Since 1977, Reno & Cavanaugh has been a national law firm dedicated to strengthening communities through strategic use of public and private resources.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Equal Justice Worksequaljusticeworks.org HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 72 contacts → |
“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.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Ivins, Phillips & Barkeripbtax.com HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 50 contacts → |
“Ivins, Phillips & Barker is exclusively engaged in the practice of federal tax, benefits and compensation, and estate and gift tax law.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Rising For Justicerisingforjustice.org HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 49 contacts → |
“At Rising for Justice, we believe everyone deserves justice-today, tomorrow and always.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | D.C. BAR PRO Bono Centerdcbar.org HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 46 contacts → |
“The D.C.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 43 contacts → |
“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…” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Tiber Hudson LLCtiberhudson.com HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 36 contacts → |
“Tiber Hudson LLC is a boutique law firm focused in providing legal services including complex commercial litigation, complex commercial transactions, corporate structure and…” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | DC BAR Foundationdcbarfoundation.org HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 29 contacts → |
“The DC Bar Foundation is the leading funder of civil legal aid in the District of Columbia.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | DC Affordable LAW Firmdcaffordablelaw.org HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 28 contacts → |
“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…” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Webster, Chamberlain & Bean LLPwc-b.com HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 27 contacts → |
“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.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Cuneo, Gilbert & Laduca, LLPcuneolaw.com HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 26 contacts → |
“We practice advocacy-and only advocacy.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Trister, Ross, Schadler & Gold, Pllctristerross.com HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 26 contacts → |
“Trister, Ross, Schadler & Gold, PLLC combines personalized client service with decades of broad experience and specialized legal expertise.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Summit Legal AIDsummitlegal.org HQ: Washington, PA, United StatesReported employees: 51-200 | Washington, PA, United States | 51-200 | Exact match | 25 contacts → |
“Summit Legal Aid is a nonprofit organization dedicated to ensuring equal access to justice for vulnerable residents in a 10-county region.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Weisbrod Matteis & Copley Pllcwmclaw.com HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 25 contacts → |
“You can count on Weisbrod Matteis & Copley when the stakes are high.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | The Washington Legal Clinic For The Homelesslegalclinic.org HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 18 contacts → |
“The Washington Legal Clinic for the Homeless envisions a just and inclusive community for all residents of the District of Columbia, where housing is a human right and where every…” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Silver, Freedman, Taff & Tiernan LLPsfttlaw.com HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 18 contacts → |
“Silver, Freedman, Taff & Tiernan LLP, is a preeminent legal services provider based in Washington, DC.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Terris, Pravlik & Millian, LLPtpmlaw.com HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 15 contacts → |
“Terris, Pravlik & Millian, LLP was founded by Bruce J.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | PRO Bono Instituteprobonoinst.org HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 15 contacts → |
“Founded in 1996, the Pro Bono Institute (PBI) is a Washington, D.C-based nonprofit organization.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Tenenbaum LAW Group Pllctenenbaumlegal.com HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 12 contacts → |
“Tenenbaum Law Group PLLC is a nationally recognized, eight-attorney boutique Washington, DC-based law firm specializing in the representation of nonprofit organizations.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 126 company matches
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Non-profit law firms: dataset insights
September 14, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
126 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 126 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 14, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Non-profit law firms by metro in the United States
- Non-profit law firms in New York168
- Non-profit law firms in Chicago112
- Non-profit law firms in Los Angeles111
- Non-profit law firms in Houston84
- Non-profit law firms in Atlanta63
- Non-profit law firms in Philadelphia63
- Non-profit law firms in Miami56
- Non-profit law firms in San Francisco55
- Non-profit law firms in Dallas52
- Non-profit law firms in Denver51
- Non-profit law firms in Portland50
- Non-profit law firms in San Diego49
- Non-profit law firms in Seattle44
- Non-profit law firms in Austin40
- Non-profit law firms in Boston39
- Non-profit law firms in Phoenix39
- Non-profit law firms in Minneapolis32
- Non-profit law firms in Oakland31
- Non-profit law firms in Tampa31
- Non-profit law firms in Charlotte27
- Non-profit law firms in Orlando27
- Non-profit law firms in Columbus26
- Non-profit law firms in Jacksonville26
Questions about this company list
What does Exact match mean for non-profit law firms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many non-profit law firms did RevenueBase find based in Washington, United States?
The saved snapshot records 126 matching company records, 4,456 tracked contacts and 2,563 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 14, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Non-profit law firms by geography
- Non-profit law firms based in Belo Horizonte, Brazil
- Non-profit law firms based in Brasilia, Brazil
- Non-profit law firms based in Campinas, Brazil
- Non-profit law firms based in Curitiba, Brazil
- Non-profit law firms based in Porto Alegre, Brazil
- Non-profit law firms based in Recife, Brazil
- Non-profit law firms based in Rio De Janeiro, Brazil
- Non-profit law firms based in Salvador, Brazil
- Non-profit law firms based in Sao Paulo, Brazil
- Non-profit law firms based in Calgary, Canada
- Non-profit law firms based in Ottawa, Canada
- Non-profit law firms based in Toronto, Canada
Cite this list
RevenueBase Data Team. Top 25 non-profit law firms based in Washington, United States. Snapshot: September 14, 2026. https://revenuebase.ai/companies/non-profit-law-firms/united-states/washington.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Non-profit law firms based in Belo Horizonte, Brazil
- Non-profit law firms based in Brasilia, Brazil
- Non-profit law firms based in Campinas, Brazil
- Non-profit law firms based in Curitiba, Brazil
- Non-profit law firms based in Porto Alegre, Brazil
- Non-profit law firms based in Recife, Brazil