Company lists · Data verified August 2026
Top 25 Advertising law firms based in San Francisco, United States
There are 38 advertising law firms headquartered in San Francisco, United States (RevenueBase, August 2026). RevenueBase tracks 998 professional contacts across them, including 530 with verified work emails and 521 with mobile numbers. New York is the largest hub.
This list covers advertising 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. Data current as of August 28, 2026.
The 25 largest advertising law firms based in San Francisco, United States
Ranked by team size| # | Company | Verified emails |
|---|---|---|
| 1 |  Knobbe Martens | 370 |
| 2 |  Gibney, Anthony & Flaherty, LLP | 30 |
| 3 |  Dhillon LAW Group INC | 22 |
| 4 |  Bergeson, LLP | 19 |
| 5 |  Verso LAW Group LLP | 18 |
| 6 |  Pranger LAW PC | 18 |
| 7 |  Kronenberger Rosenfeld LLP | 11 |
| 8 |  Phillips, Erlewine, Given & Carlin LLP | 1 |
| 9 |  Hakimi LAW PC | 1 |
| 10 |  Vondran Legal | 5 |
| 11 |  Owen, Wickersham & Erickson, P.C | 6 |
| 12 |  Strike Kerr & Johns | 4 |
| 13 |  Smith Krivoshey, PC | 3 |
| 14 |  Vicis LAW PC | 2 |
| 15 |  Tectonic LAW PC | 1 |
| 16 |  Crown, LLP | 3 |
| 17 |  The Business Litigation Group, P.C | 3 |
| 18 |  Goodin, Macbride, Squeri, & Day, LLP | 2 |
| 19 |  Matejka Legal Marketing | 2 |
| 20 | Ridder, Costa & Johnstone LLP | 1 |
| 21 |  Strike & Techel | 1 |
| 22 |  Ivanovic & Lucius, P.C | 1 |
| 23 |  Aydiner LAW | 1 |
| 24 |  Clear SKY LAW Group, P.C | 1 |
| 25 |  Ridgeline LAW Office, INC | 1 |
Showing 25 of 38 advertising law firms based in San Francisco, United States
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Advertising law firms based in San Francisco, United States at a glance
As of Aug 28, 2026Companies by employee count
Advertising law firms by metro in the United States
| Metro | Companies |
|---|---|
| Advertising law firms in New York | 183 |
| Advertising law firms in Washington | 91 |
| Advertising law firms in Los Angeles | 80 |
| Advertising law firms in Chicago | 77 |
| Advertising law firms in Houston | 66 |
| Advertising law firms in Dallas | 50 |
| Advertising law firms in Atlanta | 43 |
| Advertising law firms in San Francisco | 38 |
How this list was built
- Source
- The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
- Inclusion
- Companies whose own business descriptions match “advertising law firms”, with match quality audited by blind human judging, and headquartered in San Francisco, United States.
- 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
- Contact records re-verify on a rolling cadence; 5 contacts on this list were re-verified in the last 30 days.
- Refresh
- Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.
Frequently asked
How many advertising law firms are there based in San Francisco, United States?
There are 38 advertising law firms headquartered in San Francisco, United States as of August 2026 (RevenueBase).
What is the largest company on this list?
Knobbe Martens, headquartered in San Francisco, tops this list with the largest team on record.
Which city has the most advertising law firms?
New York leads with 183 headquartered companies, followed by Washington (91) and Los Angeles (80).
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 530 verified decision-maker contacts tracked across these 38 companies.
How current is this list?
The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.
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About this data
RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.