Company lists · Data refreshed October 2026

Top 25 Derivatives law firms worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Oct 1, 2026 7,758 companies tracked

RevenueBase identified 7,758 company matches for derivatives law firms worldwide as of October 2026 and tracks 123,933 professional contacts across them, including 55,518 with verified work emails. Brazil is the largest market and Sao Paulo the largest hub.

This list covers company matches for derivatives 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 derivatives 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

7,758Companies

123,933Contacts tracked

55,518Verified emails

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The 25 largest derivatives law firms worldwide

Ranked by team size

Top 25 of 7,758 company matches for derivatives 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	Mayer Brown	Exact match	Chicago, IL, United StatesHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
2	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
3	Kennedys	Exact match	City Of London, United KingdomHQ recorded Oct 1, 2026	1,001-5,000	2,847 contacts →
	Exact match “Every day we make a difference.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
4	Paul, Weiss, Rifkind, Wharton & Garrison LLP	Exact match	New York, NY, United StatesHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
5	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
6	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
7	Trilegal	Exact match	Mumbai, IndiaHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
8	Milbank LLP	Exact match	New York, NY, United StatesHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
9	Blake, Cassels & Graydon LLP	Exact match	Toronto, ON, CanadaHQ recorded Oct 1, 2026	1,001-5,000	1,555 contacts →
	Exact match “At Blake, Cassels & Graydon LLP (Blakes), we serve a diverse national and international client base.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
10	Mattos Filho	Exact match	São Paulo, BrazilHQ recorded Oct 1, 2026	1,001-5,000	1,553 contacts →
	Exact match “Somos um dos escritórios de advocacia líderes do mercado brasileiro, estruturado para atender nossos clientes em mais de 45 áreas do Direito, de maneira coordenada e integrada.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
11	Corrs Chambers Westgarth	Exact match	Sydney, AustraliaHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
12	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
13	Hinshaw & Culbertson LLP	Exact match	Chicago, IL, United StatesHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
14	Stinson LLP	Exact match	500 Attorneys. 17 Locations Nationwide., MN, United StatesHQ recorded Oct 1, 2026	501-1,000	1,167 contacts →
	Exact match “Stinson LLP collaborates with clients ranging from individuals and privately held enterprises to national companies and international public corporations.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
15	AZB & Partners	Exact match	Mumbai, IndiaHQ recorded Oct 1, 2026	501-1,000	1,128 contacts →
	Exact match “AZB & Partners was founded in 2004 with a clear purpose to provide reliable, practical and full-service advice to clients, across all sectors.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
16	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
17	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
18	Ferreira E Chagas Advogados	Exact match	Belo Horizonte, BrazilHQ recorded Oct 1, 2026	1,001-5,000	827 contacts →
	Exact match “A crescente complexidade das relações, tanto humanas como empresariais, cria, cada vez mais, questões revestidas de cunho intrinsecamente jurídico, com implicações em todos os…” 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	Chalfin, Goldberg & Vainboim Advogados	Exact match	Rio De Janeiro, BrazilHQ recorded Oct 1, 2026	501-1,000	799 contacts →
	Exact match “Through hard work and dedication over the past 15 years, Chalfin, Goldberg & Vainboim Advogados (“CGV“) has achieved a leading position among the biggest and best Brazilian law…” 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	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
23	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
24	Mccann Fitzgerald LLP	Exact match	Dublin 2, United KingdomHQ recorded Oct 1, 2026	501-1,000	626 contacts →
	Exact match “With over 600 people, including 400 lawyers and professional staff, McCann FitzGerald LLP is one of Ireland’s premier law firms.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
25	Parker POE Adams & Bernstein LLP	Exact match	Charlotte, NC, United StatesHQ recorded Oct 1, 2026	501-1,000	584 contacts →
	Exact match “Businesses and local governments turn to Parker Poe to structure transactions, navigate regulations, and resolve disputes.” 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 “derivatives 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 7,758 derivatives law firms worldwide

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Derivatives law firms worldwide at a glance

As of Oct 1, 2026

44.8%Verified-email coverage

16.0Average contacts per company

1-10Median size (employees)

3.9%Largest-city concentration · Sao Paulo

Oct 1, 2026Page data refreshed

Companies by employee count

1-10

4,770

11-50

2,448

51-200

401

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 derivatives law firms are linked below.
What qualifies: Company records worldwide whose business descriptions match “derivatives 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 55,518 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.

Derivatives law firms by location

77 lists · largest first

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

How many derivatives law firms are there worldwide?

RevenueBase identified 7,758 company matches for derivatives 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?

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

Which country has the most derivatives law firms?

Brazil leads with 1,042 companies, followed by the United States (927) and France (407). Every derivatives law firms list by country and city is linked on this page.

Which city has the most derivatives law firms?

Sao Paulo leads with 302 company records, followed by Paris (222) and New York (108).

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 55,518 professional contacts with verified work emails tracked across these 7,758 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.