Company lists · Data refreshed September 2026

Top 25 Law firm regulatory compliance companies worldwide

Name: Law firm regulatory compliance companies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 21, 2026 11,309 companies tracked

RevenueBase identified 11,309 law firm regulatory compliance companies worldwide as of September 2026 and tracks 104,943 professional contacts across them, including 35,914 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers law firm regulatory compliance companies 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 21, 2026. Country and city lists for law firm regulatory compliance companies 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 21, 2026 86% judged on-target in blind review

11,309Companies

104,943Contacts tracked

35,914Verified emails

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The 25 largest law firm regulatory compliance companies worldwide

Ranked by team size

Top 25 of 11,309 law firm regulatory compliance companies worldwide, ranked by team size, largest first. Data refreshed Sep 21, 2026. RevenueBase Smart Search rates how each company's information relates to law firm regulatory compliance companies: 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	Arnold & Porter	Partial evidence	Washington, DC, United StatesHQ checked Sep 21, 2026	1,001-5,000	2,333 contacts →
	Partial evidence “Arnold & Porter combines sophisticated regulatory, litigation, and transactional capabilities to resolve clients’ most complex issues.” Source: RevenueBase Database · checked Sep 21, 2026
2	Nelson Wilians Advogados	Indirect evidence	São Paulo, BrazilHQ checked Sep 21, 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 21, 2026
3	Aparajitha Corporate Services Private Limited	Strong evidence	Madurai, IndiaHQ checked Sep 21, 2026	1,001-5,000	2,064 contacts →
	Strong evidence “Aparajitha: Revolutionising India's Regulatory Compliance Space With 25 years of experience, Aparajitha covers compliance for over establishments, factories, and 52 lakh contract…” Source: RevenueBase Database · checked Sep 21, 2026
4	Nelson Mullins Riley & Scarborough	Partial evidence	Columbia, SC, United StatesHQ checked Sep 21, 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 21, 2026
5	Venable LLP	Strong evidence	Washington, DC, United StatesHQ checked Sep 21, 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 21, 2026
6	Donnelley Financial Solutions Dfin	Strong evidence	Lancaster, PA, United StatesHQ checked Sep 21, 2026	1,001-5,000	1,740 contacts →
	Strong 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 21, 2026
7	Ballard Spahr LLP	Partial evidence	Philadelphia, PA, United StatesHQ checked Sep 21, 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 21, 2026
8	Tozzinifreire Advogados	Partial evidence	São Paulo, BrazilHQ checked Sep 21, 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 21, 2026
9	Clark Hill LAW	Indirect evidence	Detroit, MI, United StatesHQ checked Sep 21, 2026	1,001-5,000	1,343 contacts →
	Indirect evidence “At Clark Hill, our value proposition is simple.” Source: RevenueBase Database · checked Sep 21, 2026
10	Buchanan Ingersoll & Rooney PC	Strong evidence	Pittsburgh, PA, United StatesHQ checked Sep 21, 2026	501-1,000	1,197 contacts →
	Strong evidence “Buchanan Ingersoll & Rooney is a national law firm with a proven reputation for providing progressive, industry-leading legal, business, regulatory and government relations advice…” Source: RevenueBase Database · checked Sep 21, 2026
11	True Potential LLP	Indirect evidence	Newcastle Upon Tyne, United KingdomHQ checked Sep 21, 2026	501-1,000	1,189 contacts →
	Indirect evidence “Through our industry leading technology and services, we power the businesses of 20% of the UK financial adviser market.” Source: RevenueBase Database · checked Sep 21, 2026
12	Hinshaw & Culbertson LLP	Partial evidence	Chicago, IL, United StatesHQ checked Sep 21, 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 21, 2026
13	Quintairos, Prieto, Wood & Boyer, P.A	Partial evidence	Miami, FL, United StatesHQ checked Sep 21, 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 21, 2026
14	DE Brauw Blackstone Westbroek	Indirect evidence	Amsterdam, NetherlandsHQ checked Sep 21, 2026	501-1,000	799 contacts →
	Indirect evidence “Our clients, people and drive for quality are the energisers of our firm.” Source: RevenueBase Database · checked Sep 21, 2026
15	Carlton Fields	Indirect evidence	Tampa, FL, United StatesHQ checked Sep 21, 2026	501-1,000	790 contacts →
	Indirect evidence “We view the world from our clients’ perspectives, helping them to lead and innovate across industries and around the globe.” Source: RevenueBase Database · checked Sep 21, 2026
16	CT Corporation	Strong evidence	New York, NY, United StatesHQ checked Sep 21, 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 21, 2026
17	Weltman, Weinberg & Reis Co., LPA	Partial evidence	Cleveland, OH, United StatesHQ checked Sep 21, 2026	501-1,000	706 contacts →
	Partial evidence “With over 95 years of experience, Weltman, Weinberg & Reis Co, LPA is a nationally-recognized full-service creditors’ rights law firm.” Source: RevenueBase Database · checked Sep 21, 2026
18	Kelley Drye & Warren LLP	Partial evidence	New York, NY, United StatesHQ checked Sep 21, 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 21, 2026
19	Grayrobinson, P.A	Indirect evidence	Orlando, FL, United StatesHQ checked Sep 21, 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 21, 2026
20	vezzilapolla.legal	Indirect evidence	Sao Paulo, BrazilHQ checked Sep 21, 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 21, 2026
21	Luthra And Luthra LAW Offices India	Partial evidence	New Delhi, IndiaHQ checked Sep 21, 2026	201-500	625 contacts →
	Partial evidence “Luthra and Luthra Law Offices India is a leading full-service law firm, with a team of over 300+members including 54 partners, with offices at New Delhi, Mumbai, Bengaluru…” Source: RevenueBase Database · checked Sep 21, 2026
22	Wiley Rein LLP	Indirect evidence	Washington, DC, United StatesHQ checked Sep 21, 2026	501-1,000	576 contacts →
	Indirect evidence “Founded in 1983, Wiley is a dominant presence in the nation’s capital.” Source: RevenueBase Database · checked Sep 21, 2026
23	Marcelo Tostes Advogados	Indirect evidence	Sao Paulo, BrazilHQ checked Sep 21, 2026	201-500	518 contacts →
	Indirect evidence “Fundado em o Marcelo Tostes Advogados firmou-se como um escritório de advocacia empresarial de excelência.” Source: RevenueBase Database · checked Sep 21, 2026
24	Pessoa & Pessoa Advogados	Indirect evidence	Salvador, BrazilHQ checked Sep 21, 2026	501-1,000	501 contacts →
	Indirect evidence “O Pessoa & Pessoa Advogados, presente há mais de 40 anos no mercado, tem como foco gerar valor aos seus clientes através de uma assessoria jurídica abrangente, especializada e…” Source: RevenueBase Database · checked Sep 21, 2026
25	Tortoro, Madureira & Ragazzi Advogados	Indirect evidence	São Paulo, BrazilHQ checked Sep 21, 2026	201-500	480 contacts →
	Indirect evidence “Somos um escritório focado no direito empresarial, destacando-se nas áreas Cível, Recuperação de Crédito, Trabalhista, Consumidor, Administrativo, Societário e Contratos…” Source: RevenueBase Database · checked Sep 21, 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: law firm regulatory compliance companies. 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 law firm regulatory compliance companies.
Partial evidence: Its own public description names part of law firm regulatory compliance companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name law firm regulatory compliance companies. 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 11,309 law firm regulatory compliance companies worldwide

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Law firm regulatory compliance companies worldwide at a glance

As of Sep 21, 2026

34.2%Verified-email coverage

9.3Average contacts per company

1-10Median size (employees)

3.8%Largest-city concentration · Sao Paulo

Sep 21, 2026Page data refreshed

Companies by employee count

1-10

7,956

11-50

2,762

51-200

433

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 law firm regulatory compliance companies, 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 law firm regulatory compliance companies are linked below.
What qualifies: Companies worldwide whose own description of what they do matches “law firm regulatory compliance companies”. 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 law firm regulatory compliance companies), 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 law firm regulatory compliance companies, 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, 35,914 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 21, 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.

Law firm regulatory compliance companies by location

57 lists · largest first

Every Law firm regulatory compliance companies 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 law firm regulatory compliance companies, 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 law firm regulatory compliance companies are there worldwide?

RevenueBase identified 11,309 law firm regulatory compliance companies 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?

Arnold & Porter, headquartered in Washington, tops this list with the largest team on record.

Which country has the most law firm regulatory compliance companies?

The United States leads with 1,788 companies, followed by Brazil (1,710) and India (1,122). Every law firm regulatory compliance companies list by country and city is linked on this page.

Which city has the most law firm regulatory compliance companies?

Sao Paulo leads with 434 headquartered companies, followed by New Delhi (191) and London (171).

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 35,914 verified decision-maker contacts tracked across these 11,309 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 21, 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.