Company lists · Data refreshed September 2026
Top 25 Nonprofit law firms based in Chicago, United States
RevenueBase identified 44 nonprofit law firms headquartered in Chicago, United States as of September 2026 and tracks 820 professional contacts across them, including 437 with verified work emails. Washington is the largest hub.
This list covers nonprofit law firms headquartered in Chicago, United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, how directly it supports the match, and when it was last checked. Data refreshed September 5, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest nonprofit law firms based in Chicago, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 353 | ||||
“Neal Gerber Eisenberg is a Chicago-based law firm whose attorneys share a culture of teamwork and devotion to personalized client service to advance our clients’ business…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 2 | 102 | ||||
“Since its founding in 1929, Masuda Funai has focused its practice on successfully representing international and domestic companies entering, operating and expanding in the United…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 3 | 58 | ||||
“About Us With more than 59 years of experience, CVLS is the first and pre-eminent pro bono civil legal aid provider in Chicago.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 4 | 39 | ||||
“We are a different kind of law firm.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 5 | 38 | ||||
“At Hoogendoorn & Talbot LLP, we focus on helping individuals, families, businesses, and charities resolve their legal issues in a timely and efficient manner.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 6 | LAW Center For Better HousingPartial evidence | 37 | |||
“Law Center for Better Housing (LCBH) is recognized as a leading public interest law firm specializing in housing law and policy.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 7 | Federal Defender ProgramIndirect evidence | 35 | |||
Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 8 | Public Interest LAW Initiative PiliIndirect evidence | 17 | |||
“Mission Statement: PILI engages, inspires and empowers those advancing equal access to justice.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 9 | Wagenmaker & Oberly, LLCPartial evidence | 16 | |||
“Wagenmaker & Oberly, LLC provides a broad spectrum of legal services to nonprofit organizations and others within the philanthropic sector.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 10 | The LAW Offices Of Marc J. Lane, A Professional CorporationPartial evidence | 11 | |||
“The Law Offices of Marc J.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 11 | 10 | ||||
“Chicago Law Partners, LLC is a boutique law firm focused primarily on representing trade associations, professional societies, foundations, other types of not-for-profit…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 12 | Howe & Hutton, LTDIndirect evidence | 8 | |||
“Since 1985, Howe & Hutton, Ltd.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 13 | The Village Legal And Community ProjectIndirect evidence | 6 | |||
“The Village Legal and Community Project is a non-profit organization dedicated to providing resources and programming to address the needs of Chicago communities.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 14 | Archer LAW GroupIndirect evidence | 5 | |||
“The economy is down and competition is up.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 15 | 4 | ||||
“At C3 Legal, we have more than 45 years of combined experience supporting the unique needs of 501(c)(3) organizations.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 16 | Cameron & Kane, LLCPartial evidence | 4 | |||
“We are a boutique law firm that offers all of the experience and services of large firms with the benefits and personalized attention of a smaller team.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 17 | JP Legal LLCPartial evidence | 3 | |||
“Real Estate law firm providing services in residential and commercial closings; residential and commercial foreclosure defense; loss mitigation and other lender workouts including…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 18 | 2 | ||||
“Representing those who are ineligible for legal aid but cannot afford traditional fees, the Carey Center is a general practice non profit 501(c)(3) organization that assists…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 19 | 2 | ||||
Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 20 | Sargis LAW Group LLCIndirect evidence | 2 | |||
“Legal counseling for business, individuals and religious or other non-profit organizations seeking practical advice or representation before courts or government agencies.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 21 | 2 | ||||
“A law firm that concentrates on nonprofit law, publishing law, copyright and trademark law, general small business law, and employment law.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 22 | 1 | ||||
“Aries Consulting is a nonprofit consulting firm specializing in all aspects of nonprofit management including strategy, communications, operations, fundraising, and board…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 23 | Leone & Kosyla Law, LLCPartial evidence | 1 | |||
“Leone & Kosyla Law is a boutique law firm offering professional, reliable, and affordable legal assistance.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 24 | LAW Offices Of T. Nicholas Tyszka, L.L.CPartial evidence | 1 | |||
“The Law Office of T.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 25 | Daniel Thomann, P.CIndirect evidence | 1 | |||
Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
Showing 25 of 44 nonprofit law firms based in Chicago, United States
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Nonprofit law firms based in Chicago, United States at a glance
As of Sep 5, 2026Companies by employee count
Email recency for this list is measured across the whole United States list rather than this city, so it is reported there. Company counts and contact totals on this page are exact for Chicago, over 44 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 law firms, so some rows will be adjacent to the category rather than pure plays. The description and evidence rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in Chicago, United States whose own description of what they do matches “nonprofit law firms”. Matching reads each company's description, not its industry code or its name.
- What we exclude
- Companies whose own description does not clearly place them among nonprofit law firms, and records with no verified work email. Companies headquartered outside Chicago are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and an evidence rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every listed company carries at least one verified work email, 437 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 5, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Nonprofit law firms by metro in the United States
- Nonprofit law firms in Washington63
- Nonprofit law firms in New York62
- Nonprofit law firms in Chicago44
- Nonprofit law firms in Los Angeles37
- Nonprofit law firms in Houston31
- Nonprofit law firms in San Francisco28
Frequently asked
How many nonprofit law firms are there based in Chicago, United States?
RevenueBase identified 44 nonprofit law firms headquartered in Chicago, 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?
Neal, Gerber & Eisenberg LLP, headquartered in Chicago, tops this list with the largest team on record.
Which city has the most nonprofit law firms?
Washington leads with 63 headquartered companies, followed by New York (62) and Chicago (44).
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 437 verified decision-maker contacts tracked across these 44 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 5, 2026.
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Nonprofit law firms by geography
- Nonprofit law firms based in the United States
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- Nonprofit law firms based in the United Kingdom
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- Nonprofit law firms based in the Netherlands
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- Nonprofit law firms based in Italy
- Nonprofit law firms based in Belgium
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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.