Company lists · Data refreshed September 2026

Top 25 Merger acquisition law firms worldwide

Name: Merger acquisition law firms worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 18,371 companies tracked

RevenueBase identified 18,371 company matches for merger acquisition law firms worldwide as of September 2026 and tracks 278,473 professional contacts across them, including 112,347 with verified work emails. Brazil is the largest market and Sao Paulo the largest hub.

This list covers company matches for merger acquisition law firms worldwide, 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 28, 2026. Country and city lists for merger acquisition law firms follow the table.

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 28, 2026 How this list was built

18,371Companies

278,473Contacts tracked

112,347Verified emails

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The 25 largest merger acquisition law firms worldwide

Ranked by team size

Top 25 of 18,371 company matches for merger acquisition law firms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 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	Skadden, Arps, Slate, Meagher & Flom LLP And Affiliates	Exact match	New York, NY, United StatesHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
2	Cooley LLP	Exact match	Palo Alto, CA, United StatesHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
3	Allen & Overy	Exact match	Global, United KingdomHQ recorded Sep 28, 2026	1,001-5,000	2,738 contacts →
	Exact match “On May 1, 2024, Allen & Overy and Shearman & Sterling merged to become A&O Shearman.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4	Morrison Foerster	Exact match	San Francisco, CA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	2,667 contacts →
	Exact match “Morrison Foerster transforms complexity into advantage.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	Arnold & Porter	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
6	Seyfarth Shaw LLP	Exact match	Chicago, IL, United StatesHQ recorded Sep 28, 2026	1,001-5,000	2,167 contacts →
	Exact match “High stakes.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7	Dechert LLP	Exact match	Philadelphia, PA, United StatesHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
8	Slaughter And MAY	Exact match	London, United KingdomHQ recorded Sep 28, 2026	1,001-5,000	1,951 contacts →
	Exact match “Slaughter and May is regarded as one of the most prestigious law firms in the world.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	Pillsbury Winthrop Shaw Pittman LLP	Exact match	New York, NY, United StatesHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
10	Trilegal	Exact match	Mumbai, IndiaHQ recorded Sep 28, 2026	1,001-5,000	1,926 contacts →
	Exact match “Trilegal is a leading full-service law firm in India with over 25 years of experience, known for its depth of expertise and client-focused approach.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11	Venable LLP	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
12	Cyril Amarchand Mangaldas	Exact match	Mumbai, IndiaHQ recorded Sep 28, 2026	1,001-5,000	1,756 contacts →
	Exact match “Cyril Amarchand Mangaldas (CAM) is India’s leading law firm with a global reputation of being trusted advisers to its clients.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	Vinson & Elkins	Exact match	Houston, TX, United StatesHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
14	Ballard Spahr LLP	Exact match	Philadelphia, PA, United StatesHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
15	Dorsey & Whitney LLP	Exact match	Minneapolis, MN, United StatesHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
16	Fried Frank	Exact match	New York, NY, United StatesHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
17	Tozzinifreire Advogados	Exact match	São Paulo, BrazilHQ recorded Sep 28, 2026	1,001-5,000	1,580 contacts →
	Exact match “TozziniFreire is one of the leading legal services organizations in Latin America, operating in all areas of Business Law and with a significant track record in serving national…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	Haynes And Boone, LLP	Exact match	Dallas, TX, United StatesHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
19	Shardul Amarchand Mangaldas & CO	Exact match	Chennai, IndiaHQ recorded Sep 28, 2026	1,001-5,000	1,513 contacts →
	Exact match “Shardul Amarchand Mangaldas & Co.(SAM), founded on a century of legal achievements, is one of India’s leading full-service law firms with the ISO/IEC 27001:2022 certification -…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	Corrs Chambers Westgarth	Exact match	Sydney, AustraliaHQ recorded Sep 28, 2026	1,001-5,000	1,506 contacts →
	Exact match “Corrs Chambers Westgarth is Australia’s leading independent law firm.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	Clark Hill LAW	Exact match	Detroit, MI, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,343 contacts →
	Exact match “At Clark Hill, our value proposition is simple.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22	Quarles & Brady LLP	Exact match	Milwaukee, WI, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,318 contacts →
	Exact match “For over 125 years, Quarles & Brady LLP has provided quality legal services to a wide range of industries on a national stage.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23	Hill Dickinson LLP	Exact match	Liverpool, United KingdomHQ recorded Sep 28, 2026	1,001-5,000	1,231 contacts →
	Exact match “An unpredictable world calls for a progressive-thinking law firm that’s aligned to your ambitions.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	Snell & Wilmer	Exact match	Phoenix, AZ, United StatesHQ recorded Sep 28, 2026	501-1,000	1,219 contacts →
	Exact match “Founded in 1938, Snell & Wilmer is a full-service business law firm with more than 500 lawyers practicing in 17 locations throughout the United States and in Mexico.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25	Hinshaw & Culbertson LLP	Exact match	Chicago, IL, United StatesHQ recorded Sep 28, 2026	501-1,000	1,188 contacts →
	Exact match “Hinshaw & Culbertson LLP is a U.S-based law firm with offices nationwide.” Recorded in the RevenueBase company graph · Sep 28, 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 “merger acquisition 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 18,371 merger acquisition law firms worldwide

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Merger acquisition law firms worldwide at a glance

As of Sep 28, 2026

40.3%Verified-email coverage

15.2Average contacts per company

1-10Median size (employees)

4.0%Largest-city concentration · Sao Paulo

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

11,468

11-50

5,529

51-200

957

201-500

217

501-1,000

1,001-5,000

5,001-10,000

10001+

Email recency is reported on each country list linked below.

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.
Coverage: Every country. Country and city lists for merger acquisition law firms are linked below.
What qualifies: Company records worldwide whose business descriptions match “merger acquisition 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. 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 112,347 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 28, 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.

Merger acquisition law firms by location

145 lists · largest first

Every Merger acquisition law firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 “merger acquisition law firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many merger acquisition law firms are there worldwide?

RevenueBase identified 18,371 company matches for merger acquisition law firms worldwide 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?

Skadden, Arps, Slate, Meagher & Flom LLP And Affiliates tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most merger acquisition law firms?

Brazil leads with 2,489 companies, followed by the United States (2,465) and India (1,351). Every merger acquisition law firms list by country and city is linked on this page.

Which city has the most merger acquisition law firms?

Sao Paulo leads with 742 company records, followed by Paris (392) and New Delhi (333).

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 112,347 professional contacts with verified work emails tracked across these 18,371 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 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 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.