Company lists · Data refreshed September 2026

Top 25 Non-profit law firms based in San Francisco, United States

RevenueBase identified 55 non-profit law firms headquartered in San Francisco, United States as of September 2026 and tracks 877 professional contacts across them, including 494 with verified work emails. New York is the largest hub.

This list covers non-profit law firms headquartered in San Francisco, 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 14, 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 14, 2026 86% judged on-target in blind review
55Companies
877Contacts tracked
494Verified emails
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The 25 largest non-profit law firms based in San Francisco, United States

Ranked by team size
Top 25 of 55 non-profit law firms based in San Francisco, United States, ranked by team size, largest first. Data refreshed Sep 14, 2026. RevenueBase Smart Search rates how each company's information relates to non-profit law firms: 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.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceSan Francisco, CA, United StatesHQ checked Sep 14, 202651-200200 contacts →

Indirect evidence

“Like most respected firms, we have many ways to tout our skill, our experience, and our results.”

Source: RevenueBase Database · checked Sep 14, 2026
2Partial evidenceSan Francisco, CA, United StatesHQ checked Sep 14, 202611-5082 contacts →

Partial evidence

“Open Door Legal is pioneering the country’s first system of universal access to civil representation and working to show that when everyone has access to the law, poverty can be…”

Source: RevenueBase Database · checked Sep 14, 2026
3Indirect evidenceSan Francisco, CA, United StatesHQ checked Sep 14, 202611-5079 contacts →

Indirect evidence

“Public Advocates Inc.”

Source: RevenueBase Database · checked Sep 14, 2026
4Indirect evidenceSan Francisco, CA, United StatesHQ checked Sep 14, 202611-5052 contacts →

Indirect evidence

“RPLG practices throughout California, advocating for and defending local public agencies and nonprofit entities, and representing a diverse group of individual clients and private…”

Source: RevenueBase Database · checked Sep 14, 2026
5Indirect evidenceSan Francisco, CA, United StatesHQ checked Sep 14, 202611-5048 contacts →

Indirect evidence

“Adler & Colvin is a group of attorneys based in San Francisco, California, deeply committed to serving the legal needs of the nonprofit sector.”

Source: RevenueBase Database · checked Sep 14, 2026
6Indirect evidenceSan Francisco, CA, United StatesHQ checked Sep 14, 202611-5048 contacts →

Indirect evidence

“Founded in 1968 to bring the civil rights movement from the streets into the courts, the Lawyers’ Committee for Civil Rights of the San Francisco Bay Area works to advance…”

Source: RevenueBase Database · checked Sep 14, 2026
7Indirect evidenceSan Francisco, CA, United StatesHQ checked Sep 14, 202651-20048 contacts →

Indirect evidence

“Established in 1975, Minami Tamaki LLP provides quality legal representation with an emphasis on personalized and responsive service.”

Source: RevenueBase Database · checked Sep 14, 2026
8Partial evidenceSan Francisco, CA, United StatesHQ checked Sep 14, 202651-20041 contacts →

Partial evidence

“Altshuler Berzon LLP is a San Francisco law firm dedicated to providing the highest quality representation in the service of economic justice and the public interest.”

Source: RevenueBase Database · checked Sep 14, 2026
9Indirect evidenceSan Francisco, CA, United StatesHQ checked Sep 14, 202611-5039 contacts →

Indirect evidence

“Legal Services for Children (LSC) is the Bay Area’s leader in trauma-informed lawyering for children and youth.”

Source: RevenueBase Database · checked Sep 14, 2026
10Indirect evidenceSan Francisco, CA, United StatesHQ checked Sep 14, 202611-5024 contacts →

Indirect evidence

“OneJustice strengthens the legal services sector's expertise and capacity to advance justice and equity.”

Source: RevenueBase Database · checked Sep 14, 2026
11Partial evidenceSan Francisco, CA, United StatesHQ checked Sep 14, 202611-5021 contacts →

Partial evidence

“Tenant Law Group is a law firm dedicated to changing lives-one tenant at a time.”

Source: RevenueBase Database · checked Sep 14, 2026
12Indirect evidenceSan Francisco, CA, United StatesHQ checked Sep 14, 20261-1015 contacts →

Indirect evidence

“Welcome to SPZ Legal.”

Source: RevenueBase Database · checked Sep 14, 2026
13Partial evidenceSan Francisco, CA, United StatesHQ checked Sep 14, 202611-5013 contacts →

Partial evidence

“Here at Infinity Law Group, we emphasize the importance of helping those in need and putting our clients first.”

Source: RevenueBase Database · checked Sep 14, 2026
14Partial evidenceSan Francisco, CA, United StatesHQ checked Sep 14, 20261-1011 contacts →

Partial evidence

“At O'Rielly & Roche LLP, we are business and legal ethics lawyers for California law firms, in-house legal counsel, and law-related businesses.”

Source: RevenueBase Database · checked Sep 14, 2026
15Partial evidenceSan Francisco, CA, United StatesHQ checked Sep 14, 202611-5011 contacts →

Partial evidence

“Dillingham & Murphy, LLP is an AV-rated medium size law firm in San Francisco, California.”

Source: RevenueBase Database · checked Sep 14, 2026
16Partial evidenceSan Francisco, CA, United StatesHQ checked Sep 14, 202611-5011 contacts →

Partial evidence

“Our law firm's core mission is to serve our clients ethically, effectively, and efficiently.”

Source: RevenueBase Database · checked Sep 14, 2026
17Partial evidenceSan Francisco, CA, United StatesHQ checked Sep 14, 202611-5010 contacts →

Partial evidence

“We have represented lawyers, judges, design professionals, construction firms, employers and successful businesses for nearly a century.”

Source: RevenueBase Database · checked Sep 14, 2026
18Strong evidenceSan Francisco, CA, United StatesHQ checked Sep 14, 20261-1010 contacts →

Strong evidence

“Founded by Karl Mill in 2021, Mill Law Center provides legal support to the non-profit and social enterprise sectors, including: Individuals or companies seeking to launch a new…”

Source: RevenueBase Database · checked Sep 14, 2026
19Partial evidenceSan Francisco, CA, United StatesHQ checked Sep 14, 20261-108 contacts →

Partial evidence

“Leigh Law Group represents clients nationally and are specialists in California laws.”

Source: RevenueBase Database · checked Sep 14, 2026
20Indirect evidenceSan Francisco, CA, United StatesHQ checked Sep 14, 20261-107 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 14, 2026
21Partial evidenceSan Francisco, CA, United StatesHQ checked Sep 14, 20261-107 contacts →

Partial evidence

“Jubilee is a nonprofit law firm providing free and affordable immigration legal services to marginalized and vulnerable immigrants.”

Source: RevenueBase Database · checked Sep 14, 2026
22Indirect evidenceSan Francisco, CA, United StatesHQ checked Sep 14, 20261-105 contacts →

Indirect evidence

“Liuzzi, Murphy, Solomon, Churton, Hale & Winnett, LLP is a legal services company based out of 235 MONTGOMERY ST, San Francisco, California, United States.”

Source: RevenueBase Database · checked Sep 14, 2026
23Partial evidenceSan Francisco, CA, United StatesHQ checked Sep 14, 20261-105 contacts →

Partial evidence

“NEO Law Group is a San Francisco-based firm that provides corporate, tax, and charitable trust law counsel to nonprofit and tax-exempt organizations and publishes the Nonprofit…”

Source: RevenueBase Database · checked Sep 14, 2026
24Indirect evidenceSan Francisco, CA, United StatesHQ checked Sep 14, 20261-105 contacts →

Indirect evidence

“At SOHN LEGAL GROUP, we have a demonstrated track record of successfully representing our clients in litigation, mediation, arbitration, and trial.”

Source: RevenueBase Database · checked Sep 14, 2026
25Partial evidenceSan Francisco, CA, United StatesHQ checked Sep 14, 20261-104 contacts →

Partial evidence

“Rosales Law Partners specializes in the practice of public law and the representation of public agencies, with emphasis on airports and other transportation-related governmental…”

Source: RevenueBase Database · checked Sep 14, 2026

Showing 25 of 55 non-profit law firms based in San Francisco, United States

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Non-profit law firms based in San Francisco, United States at a glance

As of Sep 14, 2026
56.3%Verified-email coverage
15.9Average contacts per company
1-10Median size (employees)
305.5%Largest-city concentration · New York
Sep 14, 2026Page data refreshed

Companies by employee count

1-10
33
11-50
18
51-200
4

Email recency for this list is measured across the whole United States list rather than for San Francisco, so it is reported there. Company counts and contact totals on this page are exact for San Francisco, over 55 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 non-profit law firms, 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 San Francisco, United States whose own description of what they do matches “non-profit law firms”. 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 non-profit law firms), 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 non-profit law firms, and records with no verified work email. Companies headquartered outside San Francisco 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, 494 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 14, 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.

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 non-profit law firms, 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 non-profit law firms are there based in San Francisco, United States?

RevenueBase identified 55 non-profit law firms headquartered in San Francisco, 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?

Coblentz Patch Duffy & Bass LLP, headquartered in San Francisco, tops this list with the largest team on record.

Which city has the most non-profit law firms?

New York leads with 168 headquartered companies, 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 the top results, verified emails and direct dials included. Upgrading unlocks all 494 verified decision-maker contacts tracked across these 55 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 14, 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.