Company lists · Data refreshed September 2026

Top 25 Mergers and acquisitions law firms based in San Diego, United States

Name: Mergers and acquisitions law firms based in San Diego, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 14, 2026 47 companies tracked

RevenueBase identified 47 mergers and acquisitions law firms headquartered in San Diego, United States as of September 2026 and tracks 265 professional contacts across them, including 121 with verified work emails. Across the United States, New York is the largest hub for this category (244 companies); San Diego has 47.

This list covers mergers and acquisitions 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 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

47Companies

265Contacts tracked

121Verified emails

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The 25 largest mergers and acquisitions law firms based in San Diego, United States

Ranked by team size

Top 25 of 47 mergers and acquisitions law firms based in San Diego, United States, ranked by team size, largest first. Data refreshed Sep 14, 2026. RevenueBase Smart Search rates how each company's information relates to mergers and acquisitions 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.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Duckor Metzger & Wynne, Aplc	Partial evidence	San Diego, CA, United StatesHQ checked Sep 14, 2026	11-50	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 14, 2026
2	Cgs3 Crosbie Gliner Schiffman Southard & Swanson LLP	Indirect evidence	San Diego, CA, United StatesHQ checked Sep 14, 2026	11-50	32 contacts →
	Indirect evidence “When it comes to a commercial real estate transaction, a lot can go wrong.” Source: RevenueBase Database · checked Sep 14, 2026
3	Witham Mahoney & Abbott, LLP	Indirect evidence	San Diego, CA, United StatesHQ checked Sep 14, 2026	1-10	19 contacts →
	Indirect evidence “At Witham Mahoney & Abbott, we are helping clients build strong businesses, make sound investments, and ensure their professional and personal interests are protected along the…” Source: RevenueBase Database · checked Sep 14, 2026
4	Jacko LAW Group	Partial evidence	San Diego, CA, United StatesHQ checked Sep 14, 2026	11-50	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 14, 2026
5	Bainbridge Capital Advisory	Indirect evidence	San Diego, CA, United StatesHQ checked Sep 14, 2026	11-50	17 contacts →
	Indirect evidence “Bainbridge Capital is a premiere M&A advisory firm that uses a tech-enabled process to deliver fully qualified off-market deal flow and delivers transactional advice to private…” Source: RevenueBase Database · checked Sep 14, 2026
6	Shoreline Partners, LLC	Strong evidence	San Diego, CA, United StatesHQ checked Sep 14, 2026	1-10	13 contacts →
	Strong evidence “Shoreline Partners is a Mergers and Acquisitions Advisory firm serving private owners of lower middle market businesses.” Source: RevenueBase Database · checked Sep 14, 2026
7	Gateway Partners, INC	Strong evidence	San Diego, CA, United StatesHQ checked Sep 14, 2026	11-50	9 contacts →
	Strong evidence “Gateway Partners, Inc.("GPI") is a specialized buy-side mergers and acquisitions firm serving the middle market.” Source: RevenueBase Database · checked Sep 14, 2026
8	Purdy & Bailey, LLP	Partial evidence	San Diego, CA, United StatesHQ checked Sep 14, 2026	1-10	6 contacts →
	Partial evidence “California Attorneys for Comprehensive Business and Real Estate Matters Many legal professionals offer just one service or focus mainly on one type of law.” Source: RevenueBase Database · checked Sep 14, 2026
9	Panakos Law, APC	Partial evidence	San Diego, CA, United StatesHQ checked Sep 14, 2026	1-10	6 contacts →
	Partial evidence “Panakos Law, APC is a business-focused law practice that provides legal advice and dispute resolution services to emerging companies, privately-held corporations, select…” Source: RevenueBase Database · checked Sep 14, 2026
10	Disclosure LAW Group	Partial evidence	San Diego, CA, United StatesHQ checked Sep 14, 2026	1-10	5 contacts →
	Partial evidence “Disclosure Law Group (DLG) is a different kind of law firm, focused principally on representing public companies and institutional investors in connection with extraordinary…” Source: RevenueBase Database · checked Sep 14, 2026
11	California Counsel Group, INC	Partial evidence	San Diego, CA, United StatesHQ checked Sep 14, 2026	1-10	4 contacts →
	Partial evidence “We are business lawyers who guide and support entrepreneurs, startups and growth companies with corporate law and transactional legal services.” Source: RevenueBase Database · checked Sep 14, 2026
12	The Magnolia Firm	Indirect evidence	San Diego, CA, United StatesHQ checked Sep 14, 2026	11-50	4 contacts →
	Indirect evidence “The Magnolia Firm is an M&A advisory firm built by founders, for founders.” Source: RevenueBase Database · checked Sep 14, 2026
13	Potente	Indirect evidence	San Diego, CA, United StatesHQ checked Sep 14, 2026	11-50	3 contacts →
	Indirect evidence “POTENTE serves as general counsel and professional consultants for companies and investors in a variety of industries, including hospitality (restaurants and hotels), media and…” Source: RevenueBase Database · checked Sep 14, 2026
14	Thomas Gennaro LAW	Indirect evidence	San Diego, CA, United StatesHQ checked Sep 14, 2026	1-10	3 contacts →
	Indirect evidence “Thomas G.” Source: RevenueBase Database · checked Sep 14, 2026
15	Cross-Border Counselor, LLP CBC	Indirect evidence	San Diego, CA, United StatesHQ checked Sep 14, 2026	1-10	3 contacts →
	Indirect evidence “Cross-Border Counselor L.L.P.("CBC") was formed for the purpose of helping companies with their most challenging cross-border legal matters.” Source: RevenueBase Database · checked Sep 14, 2026
16	BG Titan Group	Indirect evidence	San Diego, CA, United StatesHQ checked Sep 14, 2026	1-10	2 contacts →
	Indirect evidence “Bg Titan Group is a company based out of 350 10th Ave, San Diego, California, United States.” Source: RevenueBase Database · checked Sep 14, 2026
17	It911now.com, LLC	Indirect evidence	San Diego, CA, United StatesHQ checked Sep 14, 2026	1-10	2 contacts →
	Indirect evidence “Simple or difficult circumstances are our areas of expertise.” Source: RevenueBase Database · checked Sep 14, 2026
18	Michael A. VAN Horne, Attorney At LAW	Indirect evidence	San Diego, CA, United StatesHQ checked Sep 14, 2026	1-10	2 contacts →
	Indirect evidence “If you’re a business owner, there are many aspects to consider.” Source: RevenueBase Database · checked Sep 14, 2026
19	The Simmons Firm, ALC	Partial evidence	San Diego, CA, United StatesHQ checked Sep 14, 2026	1-10	2 contacts →
	Partial evidence “The Simmons Firm, a Law Corporation, advises and assists individuals and businesses in corporate law, entity formation, small business counseling, business and real estate…” Source: RevenueBase Database · checked Sep 14, 2026
20	LAW Offices Of Jeffrey T Petersen	Indirect evidence	San Diego, CA, United StatesHQ checked Sep 14, 2026	1-10	2 contacts →
	Indirect evidence “The firm has offices in Chicago and San Diego, and represents clients in a host of transactional matters, including corporate formation, venture capital and private placement…” Source: RevenueBase Database · checked Sep 14, 2026
21	Soden & Steinberger, Aplc	Indirect evidence	San Diego, CA, United StatesHQ checked Sep 14, 2026	1-10	1 contacts →
	Indirect evidence “Soden & Steinberger was founded by experienced attorneys with extensive backgrounds and a wide range of practice areas, including Corporate, Real Estate, Finance, Franchise and…” Source: RevenueBase Database · checked Sep 14, 2026
22	Gallagher Krich, APC	Partial evidence	San Diego, CA, United StatesHQ checked Sep 14, 2026	1-10	1 contacts →
	Partial evidence “When you meet with us, you will find the unique blend of a Small-Business Law Firm with a Big-Business Mentality.” Source: RevenueBase Database · checked Sep 14, 2026
23	LAW Office Of Timothy A. Horton	Indirect evidence	San Diego, CA, United StatesHQ checked Sep 14, 2026	1-10	1 contacts →
	Indirect evidence “Your dedicated advocate.” Source: RevenueBase Database · checked Sep 14, 2026
24	Neumann & Associates	Indirect evidence	San Diego, CA, United StatesHQ checked Sep 14, 2026	1-10	1 contacts →
	Indirect evidence “Neumann & Associates offers customized legal services to help our clients protect and grow their businesses.” Source: RevenueBase Database · checked Sep 14, 2026
25	Paragon Acquisitions International	Strong evidence	San Diego, CA, United StatesHQ checked Sep 14, 2026	1-10	1 contacts →
	Strong evidence “When you work with us, you are working with the most adept, knowledgeable and professional personnel in confidential business sales and mergers & acquisitions.” Source: RevenueBase Database · checked Sep 14, 2026

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: mergers and acquisitions 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 mergers and acquisitions law firms.
Partial evidence: Its own public description names part of mergers and acquisitions law firms, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name mergers and acquisitions 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 47 mergers and acquisitions law firms based in San Diego, United States

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Mergers and acquisitions law firms based in San Diego, United States at a glance

As of Sep 14, 2026

45.7%Verified-email coverage

5.6Average contacts per company

1-10Median size (employees)

Sep 14, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

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 47 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 mergers and acquisitions 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 “mergers and acquisitions 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 mergers and acquisitions 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 mergers and acquisitions 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, 121 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.

Mergers and acquisitions law 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 mergers and acquisitions 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 mergers and acquisitions law firms are there based in San Diego, United States?

RevenueBase identified 47 mergers and acquisitions 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?

Duckor Metzger & Wynne, Aplc, headquartered in San Diego, tops this list with the largest team on record.

Which city in the United States has the most mergers and acquisitions law firms?

New York leads the United States with 244 headquartered companies, followed by Chicago (111) and Los Angeles (101). San Diego has 47.

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 121 verified decision-maker contacts tracked across these 47 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.