Company lists · Data refreshed September 2026

Top 25 Securities law firms worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Sep 6, 2026 17,506 companies tracked

RevenueBase identified 17,506 securities law firms worldwide as of September 2026 and tracks 385,521 professional contacts across them, including 195,161 with verified work emails and 126,353 with mobile numbers. The United States is the largest market and Sao Paulo the largest hub.

This list covers securities law firms worldwide, 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 6, 2026. Country and city lists for securities law firms follow the table.

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 6, 2026 86% judged on-target in blind review

17,506Companies

385,521Contacts tracked

195,161Verified emails

126,353Mobile numbers

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The 25 largest securities law firms worldwide

Ranked by team size

Top 25 of 17,506 securities law firms worldwide, ranked by team size, largest first. Data refreshed Sep 6, 2026. RevenueBase Smart Search rates how each company's information relates to securities 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	Kirkland & Ellis	Partial evidence	Chicago, IL, United StatesHQ checked Sep 6, 2026	5,001-10,000	8,449 contacts →
	Partial evidence “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…” Source: RevenueBase Database · checked Sep 6, 2026
2	K&l Gates	Indirect evidence	Pittsburgh, PA, United StatesHQ checked Sep 6, 2026	1,001-5,000	4,861 contacts →
	Indirect evidence “At K&L Gates, we foster an inclusive and collaborative environment across our fully integrated global platform that enables us to diligently combine the knowledge and expertise of…” Source: RevenueBase Database · checked Sep 6, 2026
3	Skadden, Arps, Slate, Meagher & Flom LLP And Affiliates	Indirect evidence	New York, NY, United StatesHQ checked Sep 6, 2026	1,001-5,000	4,540 contacts →
	Indirect evidence “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…” Source: RevenueBase Database · checked Sep 6, 2026
4	Mayer Brown	Partial evidence	Chicago, IL, United StatesHQ checked Sep 6, 2026	1,001-5,000	4,177 contacts →
	Partial evidence “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…” Source: RevenueBase Database · checked Sep 6, 2026
5	Gibson Dunn	Partial evidence	Los Angeles, CA, United StatesHQ checked Sep 6, 2026	1,001-5,000	3,735 contacts →
	Partial evidence “Gibson Dunn is a leading global law firm, advising clients on significant transactions and disputes.” Source: RevenueBase Database · checked Sep 6, 2026
6	Cooley LLP	Indirect evidence	Palo Alto, CA, United StatesHQ checked Sep 6, 2026	1,001-5,000	3,341 contacts →
	Indirect evidence “Clients partner with Cooley on transformative deals, complex IP and regulatory matters, and high-stakes litigation.” Source: RevenueBase Database · checked Sep 6, 2026
7	Lewis Brisbois	Partial evidence	Los Angeles, CA, United StatesHQ checked Sep 6, 2026	1,001-5,000	3,079 contacts →
	Partial evidence “Established in 1979, Lewis Brisbois Bisgaard & Smith LLP is a national, full-service law firm with more than 1,600 attorneys and 54 offices in 30 states and the District of…” Source: RevenueBase Database · checked Sep 6, 2026
8	Gordon Rees Scully Mansukhani, LLP	Partial evidence	San Francisco, CA, United StatesHQ checked Sep 6, 2026	1,001-5,000	2,846 contacts →
	Partial evidence “As the only full-service law firm with offices and attorneys in all 50 states, Gordon Rees Scully Mansukhani delivers maximum value to our clients by combining the resources of a…” Source: RevenueBase Database · checked Sep 6, 2026
9	Perkins Coie	Indirect evidence	Seattle, WA, United StatesHQ checked Sep 6, 2026	1,001-5,000	2,746 contacts →
	Indirect evidence “Perkins Coie has combined with Ashurst to form Ashurst Perkins Coie.” Source: RevenueBase Database · checked Sep 6, 2026
10	Morrison Foerster	Indirect evidence	San Francisco, CA, United StatesHQ checked Sep 6, 2026	1,001-5,000	2,667 contacts →
	Indirect evidence “Morrison Foerster transforms complexity into advantage.” Source: RevenueBase Database · checked Sep 6, 2026
11	Paul, Weiss, Rifkind, Wharton & Garrison LLP	Partial evidence	New York, NY, United StatesHQ checked Sep 6, 2026	1,001-5,000	2,577 contacts →
	Partial evidence “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.” Source: RevenueBase Database · checked Sep 6, 2026
12	Akin Gump Strauss Hauer & Feld LLP	Partial evidence	Washington, United StatesHQ checked Sep 6, 2026	1,001-5,000	2,454 contacts →
	Partial evidence “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.” Source: RevenueBase Database · checked Sep 6, 2026
13	Arnold & Porter	Indirect evidence	Washington, DC, United StatesHQ checked Sep 6, 2026	1,001-5,000	2,333 contacts →
	Indirect evidence “Arnold & Porter combines sophisticated regulatory, litigation, and transactional capabilities to resolve clients’ most complex issues.” Source: RevenueBase Database · checked Sep 6, 2026
14	Nelson Wilians Advogados	Indirect evidence	São Paulo, BrazilHQ checked Sep 6, 2026	1,001-5,000	2,267 contacts →
	Indirect evidence “Desde a NWADV transforma desafios jurídicos complexos em decisões mais seguras para empresas nacionais e internacionais.” Source: RevenueBase Database · checked Sep 6, 2026
15	Proskauer Rose LLP	Indirect evidence	New York, NY, United StatesHQ checked Sep 6, 2026	1,001-5,000	2,096 contacts →
	Indirect evidence “We are 800+ lawyers serving clients from offices located in the leading financial and business centers in the Americas, Europe and Asia.” Source: RevenueBase Database · checked Sep 6, 2026
16	Wilson Sonsini Goodrich & Rosati	Indirect evidence	Palo Alto, CA, United StatesHQ checked Sep 6, 2026	1,001-5,000	2,092 contacts →
	Indirect evidence “Wilson Sonsini Goodrich & Rosati is the premier legal advisor to technology, life sciences, and other growth enterprises worldwide.” Source: RevenueBase Database · checked Sep 6, 2026
17	Dechert LLP	Partial evidence	Philadelphia, PA, United StatesHQ checked Sep 6, 2026	1,001-5,000	2,041 contacts →
	Partial evidence “Dechert is the law firm that helps business leaders lead.” Source: RevenueBase Database · checked Sep 6, 2026
18	Nelson Mullins Riley & Scarborough	Partial evidence	Columbia, SC, United StatesHQ checked Sep 6, 2026	1,001-5,000	2,012 contacts →
	Partial evidence “Established in 1897, Nelson Mullins is an Am Law 100 firm of more than attorneys, policy advisors and professionals with 33 offices in 17 states and Washington, D.C.” Source: RevenueBase Database · checked Sep 6, 2026
19	Slaughter And MAY	Partial evidence	London, United KingdomHQ checked Sep 6, 2026	1,001-5,000	1,951 contacts →
	Partial evidence “Slaughter and May is regarded as one of the most prestigious law firms in the world.” Source: RevenueBase Database · checked Sep 6, 2026
20	Pillsbury Winthrop Shaw Pittman LLP	Partial evidence	New York, NY, United StatesHQ checked Sep 6, 2026	1,001-5,000	1,949 contacts →
	Partial evidence “Pillsbury is one of the world’s foremost law firms, operating at the intersection of technology innovation, capital and government.” Source: RevenueBase Database · checked Sep 6, 2026
21	Trilegal	Partial evidence	Mumbai, IndiaHQ checked Sep 6, 2026	1,001-5,000	1,926 contacts →
	Partial evidence “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.” Source: RevenueBase Database · checked Sep 6, 2026
22	Allens	Partial evidence	Sydney, AustraliaHQ checked Sep 6, 2026	1,001-5,000	1,901 contacts →
	Partial evidence “Allens is a leading international law firm with a long and proud heritage of shaping the future for our clients, our people and the communities in which we work.” Source: RevenueBase Database · checked Sep 6, 2026
23	Troutman Pepper Locke LLP	Indirect evidence	United StatesHQ checked Sep 6, 2026	1,001-5,000	1,895 contacts →
	Indirect evidence “Troutman Pepper Locke LLP helps clients solve complex legal challenges and achieve their business goals in an ever-changing global economy.” Source: RevenueBase Database · checked Sep 6, 2026
24	Faegre Drinker	Indirect evidence	Philadelphia, PA, United StatesHQ checked Sep 6, 2026	1,001-5,000	1,848 contacts →
	Indirect evidence “Faegre Drinker is a firm designed for clients.” Source: RevenueBase Database · checked Sep 6, 2026
25	Venable LLP	Partial evidence	Washington, DC, United StatesHQ checked Sep 6, 2026	1,001-5,000	1,790 contacts →
	Partial evidence “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…” Source: RevenueBase Database · checked Sep 6, 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: securities 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 securities law firms.
Partial evidence: Its own public description names part of securities law firms, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name securities 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 17,506 securities law firms worldwide

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Securities law firms worldwide at a glance

As of Sep 6, 2026

50.6%Verified-email coverage

32.8%Mobile-number coverage

22.0Average contacts per company

1-10Median size (employees)

3.9%Largest-city concentration · Sao Paulo

Sep 6, 2026Page data refreshed

Companies by employee count

1-10

10,402

11-50

5,460

51-200

1,161

201-500

245

501-1,000

1,001-5,000

5,001-10,000

10001+

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 securities 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.
Coverage: 56 countries, largest first: the United States, Brazil, India, France, Spain, Canada, Germany, Italy, Mexico, Poland and 46 more. Country and city lists for securities law firms are linked below.
What qualifies: Companies worldwide whose own description of what they do matches “securities 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 securities 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 securities law firms, and records with no verified work email.
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, 195,161 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 between September 6, 2026 and 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.

Securities law firms by location

141 lists · largest first

Every Securities 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 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 securities 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 securities law firms are there worldwide?

RevenueBase identified 17,506 securities law firms worldwide 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?

Kirkland & Ellis, headquartered in Chicago, tops this list with the largest team on record.

Which country has the most securities law firms?

The United States leads with 5,845 companies, followed by Brazil (2,551) and India (1,190). Every securities law firms list by country and city is linked on this page.

Which city has the most securities law firms?

Sao Paulo leads with 684 headquartered companies, followed by New York (461) and Paris (384).

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 195,161 verified decision-maker contacts tracked across these 17,506 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled from the company graph between September 6, 2026 and 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.