Company lists · Data refreshed September 2026
Top 25 Nonprofit advocacy law firms based in San Francisco, United States
RevenueBase identified 34 nonprofit advocacy law firms headquartered in San Francisco, United States as of September 2026 and tracks 847 professional contacts across them, including 290 with verified work emails. Across the United States, Washington is the largest hub for this category (133 companies); San Francisco has 34.
This list covers nonprofit advocacy 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 29, 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.
The 25 largest nonprofit advocacy law firms based in San Francisco, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 119 contacts → | ||||
Indirect evidence “We are activists and members throughout the state.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 2 | 79 contacts → | ||||
Partial evidence “Public Advocates Inc.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 3 | 52 contacts → | ||||
Strong 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 29, 2026Thanks. The Data Team will review it. | |||||
| 4 | 48 contacts → | ||||
Partial 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 29, 2026Thanks. The Data Team will review it. | |||||
| 5 | 48 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 29, 2026Thanks. The Data Team will review it. | |||||
| 6 | 48 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 29, 2026Thanks. The Data Team will review it. | |||||
| 7 | 43 contacts → | ||||
Partial evidence “Hassard Bonnington, founded over a century ago, is a highly regarded litigation firm known for consistently and successfully advocating for our clients in cutting edge complex…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 8 | 41 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 29, 2026Thanks. The Data Team will review it. | |||||
| 9 | 30 contacts → | ||||
Indirect evidence “Over the past two decades, Girard Sharp lawyers have earned a distinguished reputation in the representation of plaintiffs in class actions and other complex litigation.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 10 | 21 contacts → | ||||
Partial evidence “Tenant Law Group is a law firm dedicated to changing lives-one tenant at a time.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 11 | 15 contacts → | ||||
Partial evidence “The Sutton Law Firm specializes in political and election law and litigation, representing businesses, individuals, candidates, ballot measures, PACs and non-profit organizations…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 12 | 11 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 29, 2026Thanks. The Data Team will review it. | |||||
| 13 | 10 contacts → | ||||
Partial 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 29, 2026Thanks. The Data Team will review it. | |||||
| 14 | 8 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 15 | 8 contacts → | ||||
Partial evidence “Passionate Advocates for the Elderly In 1987, Kathryn Stebner, the founder of Stebner & Associates in San Francisco, filed the first elder abuse lawsuit in California history.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 16 | 7 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 17 | 7 contacts → | ||||
Partial evidence “The Lexington Law Group is a public interest law firm specializing in consumer protection and environmental cases.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 18 | 5 contacts → | ||||
Indirect evidence “Collective action.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 19 | 5 contacts → | ||||
Strong 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 29, 2026Thanks. The Data Team will review it. | |||||
| 20 | 5 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 29, 2026Thanks. The Data Team will review it. | |||||
| 21 | 4 contacts → | ||||
Partial evidence “We are corporate governance lawyers and professionals and we work with the boards and senior management of public, private and nonprofit entities to provide effective governance…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 22 | 2 contacts → | ||||
Partial evidence “Lohr Ripamonti & Segarich LLP is a consumer protection and employment litigation firm, strongly advocating for consumers and employee rights.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 23 | 2 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 24 | 2 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 25 | 2 contacts → | ||||
Indirect evidence “In an ideal world everyone would receive a fair shot when dealing with the legal system.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
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 advocacy law firms. 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 advocacy law firms.
- Partial evidence
- Its own public description names part of nonprofit advocacy law firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name nonprofit advocacy law firms. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 34 nonprofit advocacy law firms based in San Francisco, United States
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Nonprofit advocacy law firms based in San Francisco, United States at a glance
As of Sep 29, 2026Companies by employee count
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 34 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 advocacy 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 “nonprofit advocacy 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 nonprofit advocacy 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 nonprofit advocacy 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, 290 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 29, 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 advocacy law firms by metro in the United States
- Nonprofit advocacy law firms in Washington133
- Nonprofit advocacy law firms in New York83
- Nonprofit advocacy law firms in Chicago55
- Nonprofit advocacy law firms in Los Angeles46
- Nonprofit advocacy law firms in Denver36
- Nonprofit advocacy law firms in Atlanta30
- Nonprofit advocacy law firms in Sacramento29
- Nonprofit advocacy law firms in Dallas28
- Nonprofit advocacy law firms in Houston28
- Nonprofit advocacy law firms in San Diego28
- Nonprofit advocacy law firms in Boston26
- Nonprofit advocacy law firms in Minneapolis26
- Nonprofit advocacy law firms in Austin25
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 advocacy 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 nonprofit advocacy law firms are there based in San Francisco, United States?
RevenueBase identified 34 nonprofit advocacy 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?
Aclu Of Northern California, headquartered in San Francisco, tops this list with the largest team on record.
Which city in the United States has the most nonprofit advocacy law firms?
Washington leads the United States with 133 headquartered companies, followed by New York (83) and Chicago (55). San Francisco has 34.
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 290 verified decision-maker contacts tracked across these 34 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 29, 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.
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