Company lists · Data refreshed September 2026

Top 25 Securities compliance law firms worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Sep 29, 2026 7,233 companies tracked

RevenueBase identified 7,233 securities compliance law firms worldwide as of September 2026 and tracks 99,043 professional contacts across them, including 44,017 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers securities compliance 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 29, 2026. Country and city lists for securities compliance 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 29, 2026 86% judged on-target in blind review

7,233Companies

99,043Contacts tracked

44,017Verified emails

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The 25 largest securities compliance law firms worldwide

Ranked by team size

Top 25 of 7,233 securities compliance law firms worldwide, ranked by team size, largest first. Data refreshed Sep 29, 2026. RevenueBase Smart Search rates how each company's information relates to securities compliance 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	Maples Group	Partial evidence	George Town, United StatesHQ checked Sep 29, 2026	1,001-5,000	2,754 contacts →
	Partial evidence “The Maples Group is a leading service provider offering clients a comprehensive range of legal services on the laws of the British Virgin Islands, the Cayman Islands, Ireland…” Source: RevenueBase Database · checked Sep 29, 2026
2	Arnold & Porter	Indirect evidence	Washington, DC, United StatesHQ checked Sep 29, 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 29, 2026
3	Dechert LLP	Partial evidence	Philadelphia, PA, United StatesHQ checked Sep 29, 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 29, 2026
4	Nelson Mullins Riley & Scarborough	Partial evidence	Columbia, SC, United StatesHQ checked Sep 29, 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 29, 2026
5	Venable LLP	Strong evidence	Washington, DC, United StatesHQ checked Sep 29, 2026	1,001-5,000	1,790 contacts →
	Strong 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 29, 2026
6	Donnelley Financial Solutions Dfin	Partial evidence	Lancaster, PA, United StatesHQ checked Sep 29, 2026	1,001-5,000	1,740 contacts →
	Partial evidence “DFIN is the leading global provider of compliance and regulatory software and services, fueling end-to-end investment company regulatory compliance needs, complex capital markets…” Source: RevenueBase Database · checked Sep 29, 2026
7	Ballard Spahr LLP	Partial evidence	Philadelphia, PA, United StatesHQ checked Sep 29, 2026	1,001-5,000	1,682 contacts →
	Partial evidence “Ballard Spahr LLP, an Am Law 100 law firm with more than 750 lawyers in 19 U.S.” Source: RevenueBase Database · checked Sep 29, 2026
8	Tozzinifreire Advogados	Partial evidence	São Paulo, BrazilHQ checked Sep 29, 2026	1,001-5,000	1,580 contacts →
	Partial evidence “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…” Source: RevenueBase Database · checked Sep 29, 2026
9	Walkers	Strong evidence	George Town, Cayman IslandsHQ checked Sep 29, 2026	1,001-5,000	1,539 contacts →
	Strong evidence “Walkers is a leading international law firm that provides legal, corporate, fiduciary and compliance services to global corporations, financial institutions, capital markets…” Source: RevenueBase Database · checked Sep 29, 2026
10	Clark Hill LAW	Indirect evidence	Detroit, MI, United StatesHQ checked Sep 29, 2026	1,001-5,000	1,343 contacts →
	Indirect evidence “At Clark Hill, our value proposition is simple.” Source: RevenueBase Database · checked Sep 29, 2026
11	Hinshaw & Culbertson LLP	Partial evidence	Chicago, IL, United StatesHQ checked Sep 29, 2026	501-1,000	1,188 contacts →
	Partial evidence “Hinshaw & Culbertson LLP is a U.S-based law firm with offices nationwide.” Source: RevenueBase Database · checked Sep 29, 2026
12	AZB & Partners	Indirect evidence	Mumbai, IndiaHQ checked Sep 29, 2026	501-1,000	1,128 contacts →
	Indirect evidence “AZB & Partners was founded in 2004 with a clear purpose to provide reliable, practical and full-service advice to clients, across all sectors.” Source: RevenueBase Database · checked Sep 29, 2026
13	Quintairos, Prieto, Wood & Boyer, P.A	Partial evidence	Miami, FL, United StatesHQ checked Sep 29, 2026	1,001-5,000	1,068 contacts →
	Partial evidence “Over the past 25 years, QPWB is one of the fastest-growing law firms in the US.” Source: RevenueBase Database · checked Sep 29, 2026
14	A&l Goodbody LLP	Partial evidence	Dublin 1, IrelandHQ checked Sep 29, 2026	501-1,000	998 contacts →
	Partial evidence “A&L Goodbody is one of Ireland's leading corporate law firms.” Source: RevenueBase Database · checked Sep 29, 2026
15	Hall Booth Smith, P.C	Partial evidence	Atlanta, GA, United StatesHQ checked Sep 29, 2026	501-1,000	815 contacts →
	Partial evidence “Established in 1989, Hall Booth Smith, P.C.(HBS) is a full-service law firm with 33 offices across the United States.” Source: RevenueBase Database · checked Sep 29, 2026
16	CT Corporation	Strong evidence	New York, NY, United StatesHQ checked Sep 29, 2026	1,001-5,000	788 contacts →
	Strong evidence “CT Corporation helps small businesses, corporations, and law firms around the world manage their most critical business and legal compliance responsibilities.” Source: RevenueBase Database · checked Sep 29, 2026
17	Adams & Reese	Indirect evidence	U.S., United StatesHQ checked Sep 29, 2026	501-1,000	758 contacts →
	Indirect evidence “At Adams & Reese, we take things personally.” Source: RevenueBase Database · checked Sep 29, 2026
18	BCF	Partial evidence	Montréal, QC, CanadaHQ checked Sep 29, 2026	501-1,000	725 contacts →
	Partial evidence “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…” Source: RevenueBase Database · checked Sep 29, 2026
19	Farrer & CO	Indirect evidence	London, United KingdomHQ checked Sep 29, 2026	201-500	693 contacts →
	Indirect evidence “Farrer & Co is synonymous with the highest quality legal advice and service.” Source: RevenueBase Database · checked Sep 29, 2026
20	Kelley Drye & Warren LLP	Partial evidence	New York, NY, United StatesHQ checked Sep 29, 2026	501-1,000	690 contacts →
	Partial evidence “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…” Source: RevenueBase Database · checked Sep 29, 2026
21	Grayrobinson, P.A	Indirect evidence	Orlando, FL, United StatesHQ checked Sep 29, 2026	501-1,000	672 contacts →
	Indirect evidence “GrayRobinson is a multidimensional team of attorneys, advisors, and consultants recognized as one of the most influential firms in Florida.” Source: RevenueBase Database · checked Sep 29, 2026
22	Armstrong Teasdale	Indirect evidence	Saint Louis, MO, United StatesHQ checked Sep 29, 2026	501-1,000	636 contacts →
	Indirect evidence “For 125 years, Armstrong Teasdale has forged long-term relationships with clients large and small around the globe.” Source: RevenueBase Database · checked Sep 29, 2026
23	vezzilapolla.legal	Indirect evidence	Sao Paulo, BrazilHQ checked Sep 29, 2026	201-500	634 contacts →
	Indirect evidence “vezzilapolla.legal foi fundado em 2016, e conta atualmente com cerca de 600 profissionais.” Source: RevenueBase Database · checked Sep 29, 2026
24	Aird & Berlis LLP	Indirect evidence	Toronto, ON, CanadaHQ checked Sep 29, 2026	501-1,000	586 contacts →
	Indirect evidence “Whether you are conducting business in Canada or abroad, Aird & Berlis LLP understands the realities of your work.” Source: RevenueBase Database · checked Sep 29, 2026
25	Parker POE Adams & Bernstein LLP	Indirect evidence	Charlotte, NC, United StatesHQ checked Sep 29, 2026	501-1,000	584 contacts →
	Indirect evidence “Businesses and local governments turn to Parker Poe to structure transactions, navigate regulations, and resolve disputes.” Source: RevenueBase Database · checked Sep 29, 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 compliance 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 compliance law firms.
Partial evidence: Its own public description names part of securities compliance 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 compliance 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 7,233 securities compliance law firms worldwide

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Securities compliance law firms worldwide at a glance

As of Sep 29, 2026

44.4%Verified-email coverage

13.7Average contacts per company

1-10Median size (employees)

3.1%Largest-city concentration · Sao Paulo

Sep 29, 2026Page data refreshed

Companies by employee count

1-10

4,752

11-50

2,016

51-200

323

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

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among securities compliance 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: Every country. Country and city lists for securities compliance law firms are linked below.
What qualifies: Companies worldwide whose own description of what they do matches “securities compliance 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 compliance 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 compliance 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, 44,017 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 on September 29, 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 compliance law firms by location

55 lists · largest first

Every Securities compliance 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 compliance 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 compliance law firms are there worldwide?

RevenueBase identified 7,233 securities compliance 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?

Maples Group, headquartered in George Town Grand Cayman, tops this list with the largest team on record.

Which country has the most securities compliance law firms?

The United States leads with 1,813 companies, followed by Brazil (863) and India (705). Every securities compliance law firms list by country and city is linked on this page.

Which city has the most securities compliance law firms?

Sao Paulo leads with 224 headquartered companies, followed by New York (171) and New Delhi (128).

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 44,017 verified decision-maker contacts tracked across these 7,233 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 29, 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.