Company lists · Data refreshed September 2026

Top 25 Mergers and acquisitions law firms based in the United States

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

Compiled by the RevenueBase Data Team Data refreshed Sep 5, 2026 3,641 companies tracked

RevenueBase identified 3,641 company matches for mergers and acquisitions law firms associated with the United States as of September 2026 and tracks 155,123 professional contacts across them, including 88,366 with verified work emails and 76,672 with mobile numbers. New York is the largest hub.

This list covers company matches for mergers and acquisitions law firms associated with the United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 5, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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 RevenueBase SmartSearch · Exact Recorded Sep 5, 2026 How this list was built

3,641Companies

155,123Contacts tracked

88,366Verified emails

76,672Mobile numbers

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The 25 largest mergers and acquisitions law firms based in the United States

Ranked by team size

Top 25 of 3,641 company matches for mergers and acquisitions law firms based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 5, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Kirkland & Ellis	Exact match	Chicago, IL, United StatesHQ recorded Sep 5, 2026	5,001-10,000	8,449 contacts →
	Exact match “As one of the world’s leading law firms, we serve a broad range of clients with market-leading practices in private equity, M&A and other complex corporate transactions…” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
2	White & Case LLP	Exact match	New York, NY, United StatesHQ recorded Sep 5, 2026	1,001-5,000	7,485 contacts →
	Exact match “White & Case is a global law firm with longstanding offices in the markets that matter today.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
3	Skadden, Arps, Slate, Meagher & Flom LLP And Affiliates	Exact match	New York, NY, United StatesHQ recorded Sep 5, 2026	1,001-5,000	4,540 contacts →
	Exact match “Skadden, Arps, Slate, Meagher & Flom LLP and Affiliates delivers the highest quality advice and novel solutions to legal challenges, enabling clients to achieve their business…” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
4	Mayer Brown	Exact match	Chicago, IL, United StatesHQ recorded Sep 5, 2026	1,001-5,000	4,177 contacts →
	Exact match “Mayer Brown is a leading international law firm, positioned to represent the world’s major corporations, funds and financial institutions in their most important and complex…” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
5	Gibson Dunn	Exact match	Los Angeles, CA, United StatesHQ recorded Sep 5, 2026	1,001-5,000	3,735 contacts →
	Exact match “Gibson Dunn is a leading global law firm, advising clients on significant transactions and disputes.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
6	Cooley LLP	Exact match	Palo Alto, CA, United StatesHQ recorded Sep 5, 2026	1,001-5,000	3,341 contacts →
	Exact match “Clients partner with Cooley on transformative deals, complex IP and regulatory matters, and high-stakes litigation.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
7	Paul Hastings	Exact match	Los Angeles, CA, United StatesHQ recorded Sep 5, 2026	1,001-5,000	3,045 contacts →
	Exact match “With widely recognized elite teams in finance, mergers & acquisitions, private equity, restructuring and special situations, litigation, employment and real estate, Paul Hastings…” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
8	Morrison Foerster	Exact match	San Francisco, CA, United StatesHQ recorded Sep 5, 2026	1,001-5,000	2,667 contacts →
	Exact match “Morrison Foerster transforms complexity into advantage.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
9	Paul, Weiss, Rifkind, Wharton & Garrison LLP	Exact match	New York, NY, United StatesHQ recorded Sep 5, 2026	1,001-5,000	2,577 contacts →
	Exact match “Paul, Weiss, Rifkind, Wharton & Garrison LLP is a global law firm of more than 1,500 lawyers focused on helping clients navigate their most complex legal and business challenges.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
10	Akin Gump Strauss Hauer & Feld LLP	Exact match	Washington, United StatesHQ recorded Sep 5, 2026	1,001-5,000	2,454 contacts →
	Exact match “Akin is a global law firm with more than 1,100 lawyers and advisors who pride themselves on dedication to their clients and their communities.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
11	Arnold & Porter	Exact match	Washington, DC, United StatesHQ recorded Sep 5, 2026	1,001-5,000	2,333 contacts →
	Exact match “Arnold & Porter combines sophisticated regulatory, litigation, and transactional capabilities to resolve clients’ most complex issues.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
12	Seyfarth Shaw LLP	Exact match	Chicago, IL, United StatesHQ recorded Sep 5, 2026	1,001-5,000	2,167 contacts →
	Exact match “High stakes.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
13	Wilson Sonsini Goodrich & Rosati	Exact match	Palo Alto, CA, United StatesHQ recorded Sep 5, 2026	1,001-5,000	2,092 contacts →
	Exact match “Wilson Sonsini Goodrich & Rosati is the premier legal advisor to technology, life sciences, and other growth enterprises worldwide.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
14	Dechert LLP	Exact match	Philadelphia, PA, United StatesHQ recorded Sep 5, 2026	1,001-5,000	2,041 contacts →
	Exact match “Dechert is the law firm that helps business leaders lead.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
15	Pillsbury Winthrop Shaw Pittman LLP	Exact match	New York, NY, United StatesHQ recorded Sep 5, 2026	1,001-5,000	1,949 contacts →
	Exact match “Pillsbury is one of the world’s foremost law firms, operating at the intersection of technology innovation, capital and government.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
16	Troutman Pepper Locke LLP	Exact match	United StatesHQ recorded Sep 5, 2026	1,001-5,000	1,895 contacts →
	Exact match “Troutman Pepper Locke LLP helps clients solve complex legal challenges and achieve their business goals in an ever-changing global economy.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
17	Faegre Drinker	Exact match	Philadelphia, PA, United StatesHQ recorded Sep 5, 2026	1,001-5,000	1,848 contacts →
	Exact match “Faegre Drinker is a firm designed for clients.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
18	Venable LLP	Exact match	Washington, DC, United StatesHQ recorded Sep 5, 2026	1,001-5,000	1,790 contacts →
	Exact match “Committed to Your Success – As a law firm of more than 900 professionals, Venable delivers legal services globally in every area of regulatory compliance, government affairs…” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
19	Vinson & Elkins	Exact match	Houston, TX, United StatesHQ recorded Sep 5, 2026	1,001-5,000	1,693 contacts →
	Exact match “Vinson & Elkins is a law firm of global distinction, working with leading companies on wide-ranging matters in key industries across the economy.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
20	Ballard Spahr LLP	Exact match	Philadelphia, PA, United StatesHQ recorded Sep 5, 2026	1,001-5,000	1,682 contacts →
	Exact match “Ballard Spahr LLP, an Am Law 100 law firm with more than 750 lawyers in 19 U.S.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
21	Milbank LLP	Exact match	New York, NY, United StatesHQ recorded Sep 5, 2026	501-1,000	1,640 contacts →
	Exact match “Milbank is a premier international law firm handling high-profile, complex cases and business transactions through 11 offices worldwide.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
22	Dorsey & Whitney LLP	Exact match	Minneapolis, MN, United StatesHQ recorded Sep 5, 2026	1,001-5,000	1,599 contacts →
	Exact match “Clients have relied on the international law firm of Dorsey & Whitney LLP since 1912 as a trusted legal advisor and valued business partner.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
23	Fried Frank	Exact match	New York, NY, United StatesHQ recorded Sep 5, 2026	501-1,000	1,584 contacts →
	Exact match “Fried, Frank, Harris, Shriver & Jacobson LLP advises the world's leading corporations, investment funds and financial institutions on their most critical legal needs and business…” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
24	Haynes And Boone, LLP	Exact match	Dallas, TX, United StatesHQ recorded Sep 5, 2026	1,001-5,000	1,558 contacts →
	Exact match “Haynes Boone is among the fastest-growing firms in the Am Law 100, providing full-service counsel across sectors, including corporate, energy, financial services, real estate…” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
25	Katten Muchin Rosenman LLP	Exact match	Chicago, IL, United StatesHQ recorded Sep 5, 2026	1,001-5,000	1,495 contacts →
	Exact match “Katten is a full-service law firm with nearly 650 attorneys in locations across the United States and in London and Shanghai.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “mergers and acquisitions law firms”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 3,641 mergers and acquisitions law firms based in the United States

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Mergers and acquisitions law firms based in the United States at a glance

As of Sep 5, 2026

57.0%Verified-email coverage

49.4%Mobile-number coverage

42.6Average contacts per company

1-10Median size (employees)

9.3%Largest-city concentration · New York

Sep 5, 2026Page data refreshed

Companies by employee count

1-10

2,340

11-50

926

51-200

225

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

Freshness & accuracy

How recently the business emails on this list were verified

Email last verified

82,2110–30

5,56031–60

8361–90

4890–180

464180+

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies: Company records associated with the United States whose business descriptions match “mergers and acquisitions law firms” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 88,366 professional contacts with verified work emails across the full matched dataset. 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 5, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Mergers and acquisitions law firms by metro

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “mergers and acquisitions law firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many mergers and acquisitions law firms are there based in the United States?

RevenueBase identified 3,641 company matches for mergers and acquisitions law firms associated with the United States as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Kirkland & Ellis tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most mergers and acquisitions law firms?

New York leads with 339 company records, followed by Chicago (126) and Los Angeles (112).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 88,366 professional contacts with verified work emails tracked across these 3,641 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 5, 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 SmartSearch, 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.