Company lists · Data refreshed October 2026

Top 25 Antitrust law firms worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Oct 1, 2026 10,889 companies tracked

RevenueBase identified 10,889 company matches for antitrust law firms worldwide as of October 2026 and tracks 141,093 professional contacts across them, including 59,707 with verified work emails. Brazil is the largest market and Sao Paulo the largest hub.

This list covers company matches for antitrust 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 October 1, 2026. Country and city lists for antitrust 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 Oct 1, 2026 How this list was built

10,889Companies

141,093Contacts tracked

59,707Verified emails

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The 25 largest antitrust law firms worldwide

Ranked by team size

Top 25 of 10,889 company matches for antitrust law firms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 1, 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	Gibson Dunn	Exact match	Los Angeles, CA, United StatesHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
2	Arnold & Porter	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
3	Seyfarth Shaw LLP	Exact match	Chicago, IL, United StatesHQ recorded Oct 1, 2026	1,001-5,000	2,167 contacts →
	Exact match “High stakes.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
4	Dechert LLP	Exact match	Philadelphia, PA, United StatesHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
5	Slaughter And MAY	Exact match	London, United KingdomHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
6	Faegre Drinker	Exact match	Philadelphia, PA, United StatesHQ recorded Oct 1, 2026	1,001-5,000	1,848 contacts →
	Exact match “Faegre Drinker is a firm designed for clients.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
7	Venable LLP	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
8	Vinson & Elkins	Exact match	Houston, TX, United StatesHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
9	Ballard Spahr LLP	Exact match	Philadelphia, PA, United StatesHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
10	Crowell & Moring	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	1,001-5,000	1,602 contacts →
	Exact match “Crowell & Moring is an international law firm with operations in the United States, Europe, MENA, and Asia.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
11	Tozzinifreire Advogados	Exact match	São Paulo, BrazilHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
12	Clark Hill LAW	Exact match	Detroit, MI, United StatesHQ recorded Oct 1, 2026	1,001-5,000	1,343 contacts →
	Exact match “At Clark Hill, our value proposition is simple.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
13	Hill Dickinson LLP	Exact match	Liverpool, United KingdomHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
14	Gilbert Tobin	Exact match	Barangaroo, AustraliaHQ recorded Oct 1, 2026	1,001-5,000	1,162 contacts →
	Exact match “Gilbert + Tobin was founded on values of excellence, trust, respect, integrity and good corporate citizenship.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
15	Taylor Rose	Exact match	London, United KingdomHQ recorded Oct 1, 2026	1,001-5,000	1,155 contacts →
	Exact match “Taylor Rose is a top 60 independent law firm with 1,700 experts operating nationwide and is recommended by the Legal 500 UK.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
16	GIDE	Exact match	Paris, FranceHQ recorded Oct 1, 2026	501-1,000	1,098 contacts →
	Exact match “Gide is a leading law firm, both in France and internationally, in all areas of business law for Litigation, Transactions, and Regulation.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
17	Brownstein Hyatt Farber Schreck	Exact match	Denver, CO, United StatesHQ recorded Oct 1, 2026	501-1,000	902 contacts →
	Exact match “For decades, we’ve positioned ourselves at the intersection of law, business and policy to bring a multidisciplinary strategy to every issue.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
18	Junhe LLP	Exact match	Beijing, ChinaHQ recorded Oct 1, 2026	1,001-5,000	852 contacts →
	Exact match “JunHe, founded in Beijing in 1989, is one of the first private partnership law firms in China.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
19	DE Brauw Blackstone Westbroek	Exact match	Amsterdam, NetherlandsHQ recorded Oct 1, 2026	501-1,000	799 contacts →
	Exact match “Our clients, people and drive for quality are the energisers of our firm.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
20	Adams & Reese	Exact match	U.S., United StatesHQ recorded Oct 1, 2026	501-1,000	758 contacts →
	Exact match “At Adams & Reese, we take things personally.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
21	Herzog	Exact match	Tel Aviv, IsraelHQ recorded Oct 1, 2026	501-1,000	749 contacts →
	Exact match “Herzog Fox & Neeman is Israel’s largest law firm and has earned a reputation as market leader, evidenced by consistent top-tier rankings in both international and Israeli legal…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
22	BCF	Exact match	Montréal, QC, CanadaHQ recorded Oct 1, 2026	501-1,000	725 contacts →
	Exact match “With over 500 employees and 300 professionals, BCF Business Law is the go-to firm for business leaders, growing companies, and well-established global enterprises who have chosen…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
23	Lefosse	Exact match	São Paulo, BrazilHQ recorded Oct 1, 2026	501-1,000	720 contacts →
	Exact match “We are an independent law firm that offers specialized advice and superior technical quality in a variety of legal areas.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
24	Kelley Drye & Warren LLP	Exact match	New York, NY, United StatesHQ recorded Oct 1, 2026	501-1,000	690 contacts →
	Exact match “Kelley Drye is an AmLaw 200 law firm of more than 350 lawyers and other professionals practicing in New York, NY; Washington, D.C; Chicago, IL; Houston, TX, Los Angeles, CA; San…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
25	Marval O'farrell, Mairal	Exact match	Buenos Aires, ArgentinaHQ recorded Oct 1, 2026	501-1,000	688 contacts →
	Exact match “Fundada en 1923, Marval O’Farrell Mairal es la firma legal más grande de la Argentina, líder en el país y también en Latinoamérica.” Recorded in the RevenueBase company graph · Oct 1, 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 “antitrust 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 10,889 antitrust law firms worldwide

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Antitrust law firms worldwide at a glance

As of Oct 1, 2026

42.3%Verified-email coverage

13.0Average contacts per company

1-10Median size (employees)

5.1%Largest-city concentration · Sao Paulo

Oct 1, 2026Page data refreshed

Companies by employee count

1-10

7,207

11-50

3,018

51-200

448

201-500

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 antitrust law firms are linked below.
What qualifies: Company records worldwide whose business descriptions match “antitrust 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 59,707 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 October 1, 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.

Antitrust law firms by location

91 lists · largest first

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

How many antitrust law firms are there worldwide?

RevenueBase identified 10,889 company matches for antitrust law firms worldwide as of October 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?

Gibson Dunn tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most antitrust law firms?

Brazil leads with 2,070 companies, followed by France (818) and the United States (767). Every antitrust law firms list by country and city is linked on this page.

Which city has the most antitrust law firms?

Sao Paulo leads with 551 company records, followed by Paris (452) and Madrid (196).

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 59,707 professional contacts with verified work emails tracked across these 10,889 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 October 1, 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.