Company lists · Data refreshed September 2026

Top 25 Biglaw firms based in San Francisco, United States

RevenueBase identified 186 biglaw firms headquartered in San Francisco, United States as of September 2026 and tracks 12,405 professional contacts across them, including 8,053 with verified work emails. Across the United States, New York is the largest hub for this category (923 companies); San Francisco has 186.

This list covers biglaw 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 28, 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 28, 2026 86% judged on-target in blind review
186Companies
12,405Contacts tracked
8,053Verified emails
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The 25 largest biglaw firms based in San Francisco, United States

Ranked by team size
Top 25 of 186 biglaw firms based in San Francisco, United States, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to biglaw 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 28, 20261,001-5,0003,066 contacts →

Indirect evidence

“Orrick is a global law firm focused on serving the Technology & Innovation, Energy & Infrastructure, Finance and Life Sciences & HealthTech sectors.”

Source: RevenueBase Database · checked Sep 28, 2026
2Indirect evidenceSan Francisco, CA, United StatesHQ checked Sep 28, 20261,001-5,0002,846 contacts →

Indirect evidence

“As the only full-service law firm with offices and attorneys in all 50 states, Gordon Rees Scully Mansukhani delivers maximum value to our clients by combining the resources of a…”

Source: RevenueBase Database · checked Sep 28, 2026
3Indirect evidenceSan Francisco, CA, United StatesHQ checked Sep 28, 20261,001-5,0002,667 contacts →

Indirect evidence

“Morrison Foerster transforms complexity into advantage.”

Source: RevenueBase Database · checked Sep 28, 2026
4Indirect evidenceSan Francisco, CA, United StatesHQ checked Sep 28, 2026201-500462 contacts →

Indirect evidence

“Hanson Bridgett LLP is a full service Am Law 200 law firm with more than 200 attorneys across California.”

Source: RevenueBase Database · checked Sep 28, 2026
5Indirect evidenceSan Francisco, CA, United StatesHQ checked Sep 28, 2026201-500308 contacts →

Indirect evidence

“Rimon is a highly selective entrepreneurial firm that combines the dynamic client service, teamwork and agility of a high-end boutique law firm with the deep multidisciplinary…”

Source: RevenueBase Database · checked Sep 28, 2026
6Indirect evidenceSan Francisco, CA, United StatesHQ checked Sep 28, 2026201-500250 contacts →

Indirect evidence

“Farella Braun + Martel LLP is a leading Northern California law firm representing corporate and private clients in sophisticated business and real estate transactions and complex…”

Source: RevenueBase Database · checked Sep 28, 2026
7Indirect evidenceSan Francisco, CA, United StatesHQ checked Sep 28, 202651-200250 contacts →

Indirect evidence

“Keker, Van Nest & Peters is a trial-practice litigation firm located in San Francisco.”

Source: RevenueBase Database · checked Sep 28, 2026
8Indirect evidenceSan Francisco, CA, United StatesHQ checked Sep 28, 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 28, 2026
9Indirect evidenceSan Francisco, CA, United StatesHQ checked Sep 28, 202651-20098 contacts →

Indirect evidence

“Scale LLP is a national, full-service law firm designed for modern business.”

Source: RevenueBase Database · checked Sep 28, 2026
10Indirect evidenceSan Francisco, CA, United StatesHQ checked Sep 28, 202651-20089 contacts →

Indirect evidence

“Shartsis Friese LLP is one of San Francisco’s leading law firms.”

Source: RevenueBase Database · checked Sep 28, 2026
11Indirect evidenceSan Francisco, CA, United StatesHQ checked Sep 28, 202651-20083 contacts →

Indirect evidence

“Some of the largest companies in the world, and some of the wealthiest families in America, value and respect the service, creativity, and commitment of the attorneys of Sideman &…”

Source: RevenueBase Database · checked Sep 28, 2026
12Indirect evidenceSan Francisco, CA, United StatesHQ checked Sep 28, 202651-20066 contacts →

Indirect evidence

“Bartko LLP is a mid-size firm dedicated to strategic representation of clients in California, nationally and abroad.”

Source: RevenueBase Database · checked Sep 28, 2026
13Indirect evidenceSan Francisco, CA, United StatesHQ checked Sep 28, 202651-20062 contacts →

Indirect evidence

“From inception, SSL has embraced an innovative law firm model that has enabled us to provide extraordinary service to our clients at lower hourly rates.”

Source: RevenueBase Database · checked Sep 28, 2026
14Indirect evidenceSan Francisco, CA, United StatesHQ checked Sep 28, 202651-20061 contacts →

Indirect evidence

“Rogers Joseph O'Donnell is a litigation boutique founded in 1981 by a group of attorneys who believed - and continue to believe - that smaller is smarter.”

Source: RevenueBase Database · checked Sep 28, 2026
15Indirect evidenceSan Francisco, CA, United StatesHQ checked Sep 28, 202651-20052 contacts →

Indirect evidence

“Listed on Bloomberg Law's DEI Framework and named a Forbes Top Trusted Corporate Law Firm, EGHB is a nimble team of trial lawyers who handle complex matters.”

Source: RevenueBase Database · checked Sep 28, 2026
16Indirect evidenceSan Francisco, CA, United StatesHQ checked Sep 28, 202611-5050 contacts →

Indirect evidence

“Silicon Legal Strategy provides targeted, bottom-line-oriented advice to technology startups, innovative entrepreneurs and seasoned investors.”

Source: RevenueBase Database · checked Sep 28, 2026
17Indirect evidenceSan Francisco, CA, United StatesHQ checked Sep 28, 202611-5048 contacts →

Indirect evidence

“Cole-Frieman & Mallon LLP is a leading investment management law firm known for providing top-tier, innovative, and collaborative legal solutions for complex financial services…”

Source: RevenueBase Database · checked Sep 28, 2026
18Indirect evidenceSan Francisco, CA, United StatesHQ checked Sep 28, 202611-5043 contacts →

Indirect 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 28, 2026
19Indirect evidenceSan Francisco, CA, United StatesHQ checked Sep 28, 202611-5042 contacts →

Indirect evidence

“With offices in California, New Jersey, Florida, Virginia and a law practice that spans the country, Dhillon Law Group’s business and constitutional law practice spans business…”

Source: RevenueBase Database · checked Sep 28, 2026
20Indirect evidenceSan Francisco, CA, United StatesHQ checked Sep 28, 2026501-1,00036 contacts →

Indirect evidence

“Howard Rice Nemerovski Canady Falk & Rabkin, P.C, is a San Francisco law firm with leading national and international practices, representing entities and individuals across a…”

Source: RevenueBase Database · checked Sep 28, 2026
21Indirect evidenceSan Francisco, CA, United StatesHQ checked Sep 28, 202611-5033 contacts →

Indirect evidence

“The attorneys of Leland, Parachini, Steinberg, Matzger & Melnick LLP combine their skills in business, family law, real estate, corporate, business litigation, alternate dispute…”

Source: RevenueBase Database · checked Sep 28, 2026
22Indirect evidenceSan Francisco, CA, United StatesHQ checked Sep 28, 202611-5030 contacts →

Indirect evidence

“We are a boutique full-service law firm based in San Francisco, California.”

Source: RevenueBase Database · checked Sep 28, 2026
23Indirect evidenceSan Francisco, CA, United StatesHQ checked Sep 28, 202611-5024 contacts →

Indirect evidence

“The lawyers at HUGO PARKER have a winning record at trial, providing clients with sound strategic advice and skilled trial and appellate representation before state and federal…”

Source: RevenueBase Database · checked Sep 28, 2026
24Indirect evidenceSan Francisco, CA, United StatesHQ checked Sep 28, 202611-5023 contacts →

Indirect evidence

“Conrad | Metlitzky | Kane is a trial boutique led by a trio of former Assistant United States Attorneys.”

Source: RevenueBase Database · checked Sep 28, 2026
25Indirect evidenceSan Francisco, CA, United StatesHQ checked Sep 28, 202611-5022 contacts →

Indirect evidence

“Inventus is an innovative global law firm which provides superior legal services to entrepreneurs, startups, and mid-sized companies.”

Source: RevenueBase Database · checked Sep 28, 2026

Showing 25 of 186 biglaw firms based in San Francisco, United States

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 8,053 reachable decision-makers.

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Biglaw firms based in San Francisco, United States at a glance

As of Sep 28, 2026
64.9%Verified-email coverage
66.7Average contacts per company
1-10Median size (employees)
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
113
11-50
50
51-200
11
201-500
6
501-1,000
2
1,001-5,000
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 186 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 biglaw 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 “biglaw 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 biglaw 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 biglaw 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, 8,053 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 28, 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.

Biglaw firms by metro in the United States

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 biglaw 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 biglaw firms are there based in San Francisco, United States?

RevenueBase identified 186 biglaw 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?

Orrick, Herrington & Sutcliffe LLP, headquartered in San Francisco, tops this list with the largest team on record.

Which city in the United States has the most biglaw firms?

New York leads the United States with 923 headquartered companies, followed by Los Angeles (409) and Chicago (388). San Francisco has 186.

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 8,053 verified decision-maker contacts tracked across these 186 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 28, 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.