Company lists · Data refreshed September 2026
Top 25 Regulatory law firms based in San Diego, United States
RevenueBase identified 106 regulatory law firms headquartered in San Diego, United States as of September 2026 and tracks 1,234 professional contacts across them, including 645 with verified work emails. Across the United States, New York is the largest hub for this category (432 companies); San Diego has 106.
This list covers regulatory law firms headquartered in San Diego, 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 regulatory law firms based in San Diego, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 141 contacts → | ||||
Indirect evidence “TrendSource helps businesses document and measure compliance across employment, consumer reporting, government, finance, health care, and retail.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 2 | 112 contacts → | ||||
Partial evidence “Wilson Turner Kosmo is the largest certified women-owned law firm in San Diego, and one of the largest in California.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 3 | 100 contacts → | ||||
Indirect evidence “Since our founding in 1948, Seltzer Caplan McMahon Vitek has dedicated itself to serving as advocates for our clients and our community.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 4 | 74 contacts → | ||||
Indirect evidence “Occupational Services, Incorporated is a San Diego-based professional consulting firm providing services in the areas of environmental compliance, occupational health and safety…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 5 | 68 contacts → | ||||
Partial evidence “Lagasse Branch Bell + Kinkead is a certified female owned law firm dedicated to providing responsive, quality and result-oriented services to our clients.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 6 | 64 contacts → | ||||
Indirect evidence “Solomon Ward’s legal team is dedicated to achieving excellence in the eyes of our clients, and we have consistently succeeded in this endeavor since 1977.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 7 | 55 contacts → | ||||
Indirect evidence “Headquartered in San Diego with offices in Washington and Idaho, Finch, Thornton & Baird, LLP provides a bona fide legal advantage to many of the leading companies on the…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 8 | 43 contacts → | ||||
Partial evidence “Founded in 1978, Duckor Metzger & Wynne, A Professional Law Corporation (DMW) is an AV-rated, full-service, San Diego-based law firm representing clients across a broad range of…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 9 | 34 contacts → | ||||
Partial evidence “Dunn DeSantis Walt & Kendrick, LLP is a Southern California civil law firm providing legal counsel to businesses and professionals, locally and nationally.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 10 | 33 contacts → | ||||
Indirect evidence “Wingert Grebing attorneys have been trying cases and practicing in San Diego for almost 60 years.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 11 | 31 contacts → | ||||
Partial evidence “WILSON GETTY LLP is a law firm based in Southern California specializing in civil litigation, business and transactional law.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 12 | 30 contacts → | ||||
Indirect evidence “RPS strives to provide its clients with best-in-class legal solutions at competitive boutique firm rates.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 13 | 27 contacts → | ||||
Partial evidence “As one of San Diego’s longest standing business and trial law firms, Sullivan Hill has grown and evolved over the years as our local economy and business landscape has changed.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 14 | 17 contacts → | ||||
Partial evidence “Jacko Law Group, PC is a dedicated team of professionals with broad and extensive backgrounds in the securities, corporate and financial industries.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 15 | 16 contacts → | ||||
Partial evidence “Shustak Reynolds & Partners, P.C, is a specialty law firm with a national practice focused on securities, corporate and business law.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 16 | 12 contacts → | ||||
Indirect evidence “Burrows & Stutsman is a group of highly skilled civil litigators with more than 50 years of combined experience defending our clients at every level of the litigation process.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 17 | 12 contacts → | ||||
Strong evidence “Torrey Pines Law Group is an intellectual property, technology transactions, and FDA regulatory law firm, known for its expertise in helping technology innovators secure, build…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 18 | 11 contacts → | ||||
Indirect evidence “Artiano Shinoff APC takes pride in the high quality of our client service.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 19 | 11 contacts → | ||||
Indirect evidence “BlueScape is a progressive air quality and environmental services firm located in the Western US that specializes in permitting and compliance services.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 20 | 10 contacts → | ||||
Partial evidence “DPMC is a California public agency law firm with over 200 years of combined experience representing public agencies and other public/private entities.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 21 | 10 contacts → | ||||
Partial evidence “McCloskey Waring & Drury is a modern Insurance Coverage law firm accelerating beyond the status quo into the future by prioritizing innovation, sustainability, and teamwork in our…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 22 | 9 contacts → | ||||
Partial evidence “The Coopersmith Law Firm, LLP represents individuals and businesses at all stages of litigation, and advises clients on methods to avoid and minimize the risk of litigation.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 23 | 8 contacts → | ||||
Indirect evidence “Crafting diverse solutions for businesses and individuals.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 24 | 7 contacts → | ||||
Partial evidence “Noon & Associates is a civil litigation law firm dedicated to providing the highest quality, professional and ethical legal representation in a cost-effective manner.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 25 | 6 contacts → | ||||
Indirect evidence “Headquartered in San Diego, California, CBTP works with clients on both the plaintiff and defense sides of a variety of disputes throughout California.” 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: regulatory 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 regulatory law firms.
- Partial evidence
- Its own public description names part of regulatory law firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name regulatory 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 106 regulatory law firms based in San Diego, United States
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Regulatory law firms based in San Diego, 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 Diego, so it is reported there. Company counts and contact totals on this page are exact for San Diego, over 106 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 regulatory 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 Diego, United States whose own description of what they do matches “regulatory 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 regulatory 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 regulatory law firms, and records with no verified work email. Companies headquartered outside San Diego 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, 645 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.
Regulatory law firms by metro in the United States
- Regulatory law firms in New York432
- Regulatory law firms in Washington302
- Regulatory law firms in Chicago230
- Regulatory law firms in Houston178
- Regulatory law firms in Los Angeles174
- Regulatory law firms in Atlanta164
- Regulatory law firms in Dallas160
- Regulatory law firms in Boston122
- Regulatory law firms in Miami116
- Regulatory law firms in San Francisco104
- Regulatory law firms in Austin103
- Regulatory law firms in Philadelphia96
- Regulatory law firms in Denver89
- Regulatory law firms in Portland72
- Regulatory law firms in Tampa67
- Regulatory law firms in New Orleans65
- Regulatory law firms in Phoenix65
- Regulatory law firms in Birmingham61
- Regulatory law firms in Seattle61
- Regulatory law firms in Minneapolis59
- Regulatory law firms in Irvine56
- Regulatory law firms in Sacramento48
- Regulatory law firms in Columbus45
- Regulatory law firms in Indianapolis45
- Regulatory law firms in Fort Lauderdale43
- Regulatory law firms in Pittsburgh42
- Regulatory law firms in Coral Gables40
- Regulatory law firms in Raleigh40
- Regulatory law firms in Salt Lake City39
- Regulatory law firms in Cleveland38
- Regulatory law firms in Richmond38
- Regulatory law firms in Baltimore36
- Regulatory law firms in Las Vegas36
- Regulatory law firms in Nashville36
- Regulatory law firms in Oklahoma City36
- Regulatory law firms in Columbia35
- Regulatory law firms in Kansas City34
- Regulatory law firms in San Antonio34
- Regulatory law firms in Milwaukee33
- Regulatory law firms in Charlotte32
- Regulatory law firms in Jacksonville32
- Regulatory law firms in Boca Raton29
- Regulatory law firms in Tulsa29
- Regulatory law firms in Detroit28
- Regulatory law firms in Tallahassee28
- Regulatory law firms in Buffalo27
- Regulatory law firms in Annapolis25
- Regulatory law firms in Pasadena25
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 regulatory 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 regulatory law firms are there based in San Diego, United States?
RevenueBase identified 106 regulatory law firms headquartered in San Diego, 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?
Trendsource, INC, headquartered in San Diego, tops this list with the largest team on record.
Which city in the United States has the most regulatory law firms?
New York leads the United States with 432 headquartered companies, followed by Washington (302) and Chicago (230). San Diego has 106.
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 645 verified decision-maker contacts tracked across these 106 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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