Company lists · Data refreshed September 2026

Top 25 Regulations and compliance law firms worldwide

RevenueBase identified 10,870 company matches for regulations and compliance law firms worldwide as of September 2026 and tracks 103,294 professional contacts across them, including 33,670 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for regulations and compliance 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 September 29, 2026. Country and city lists for regulations and compliance 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 Sep 29, 2026 How this list was built
10,870Companies
103,294Contacts tracked
33,670Verified emails
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The 25 largest regulations and compliance law firms worldwide

Ranked by team size
Top 25 of 10,870 company matches for regulations and compliance law firms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 29, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchLondon, United KingdomHQ recorded Sep 29, 2026n/a6,284 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
2Exact matchWashington, DC, United StatesHQ recorded Sep 29, 20261,001-5,0002,333 contacts →

Exact match

“Arnold & Porter combines sophisticated regulatory, litigation, and transactional capabilities to resolve clients’ most complex issues.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
3Exact matchMadurai, IndiaHQ recorded Sep 29, 20261,001-5,0002,064 contacts →

Exact match

“Aparajitha: Revolutionising India's Regulatory Compliance Space With 25 years of experience, Aparajitha covers compliance for over establishments, factories, and 52 lakh contract…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
4Exact matchPhiladelphia, PA, United StatesHQ recorded Sep 29, 20261,001-5,0002,041 contacts →

Exact match

“Dechert is the law firm that helps business leaders lead.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
5Exact matchColumbia, SC, United StatesHQ recorded Sep 29, 20261,001-5,0002,012 contacts →

Exact match

“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.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
6Exact matchWashington, DC, United StatesHQ recorded Sep 29, 20261,001-5,0001,790 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 · Sep 29, 2026 · View company records in RevenueBase
7Exact matchPhiladelphia, PA, United StatesHQ recorded Sep 29, 20261,001-5,0001,682 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 · Sep 29, 2026 · View company records in RevenueBase
8Exact matchSão Paulo, BrazilHQ recorded Sep 29, 20261,001-5,0001,580 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 · Sep 29, 2026 · View company records in RevenueBase
9Exact matchPittsburgh, PA, United StatesHQ recorded Sep 29, 2026501-1,0001,197 contacts →

Exact match

“Buchanan Ingersoll & Rooney is a national law firm with a proven reputation for providing progressive, industry-leading legal, business, regulatory and government relations advice…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
10Exact matchChicago, IL, United StatesHQ recorded Sep 29, 2026501-1,0001,188 contacts →

Exact match

“Hinshaw & Culbertson LLP is a U.S-based law firm with offices nationwide.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
11Exact matchDenver, CO, United StatesHQ recorded Sep 29, 2026501-1,000902 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 · Sep 29, 2026 · View company records in RevenueBase
12Exact matchAtlanta, GA, United StatesHQ recorded Sep 29, 2026501-1,000815 contacts →

Exact match

“Established in 1989, Hall Booth Smith, P.C.(HBS) is a full-service law firm with 33 offices across the United States.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
13Exact matchAmsterdam, NetherlandsHQ recorded Sep 29, 2026501-1,000799 contacts →

Exact match

“Our clients, people and drive for quality are the energisers of our firm.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
14Exact matchNew York, NY, United StatesHQ recorded Sep 29, 20261,001-5,000788 contacts →

Exact match

“CT Corporation helps small businesses, corporations, and law firms around the world manage their most critical business and legal compliance responsibilities.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
15Exact matchU.S., United StatesHQ recorded Sep 29, 2026501-1,000758 contacts →

Exact match

“At Adams & Reese, we take things personally.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
16Exact matchAtlanta, GA, United StatesHQ recorded Sep 29, 2026201-500746 contacts →

Exact match

“FordHarrison LLP - your partner in employment law.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
17Exact matchNew York, NY, United StatesHQ recorded Sep 29, 2026501-1,000690 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 · Sep 29, 2026 · View company records in RevenueBase
18Exact matchSao Paulo, BrazilHQ recorded Sep 29, 2026201-500634 contacts →

Exact match

“vezzilapolla.legal foi fundado em 2016, e conta atualmente com cerca de 600 profissionais.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
19Exact matchNew Delhi, IndiaHQ recorded Sep 29, 2026201-500625 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
20Exact matchCharlotte, NC, United StatesHQ recorded Sep 29, 2026501-1,000584 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 · Sep 29, 2026 · View company records in RevenueBase
21Exact matchWashington, DC, United StatesHQ recorded Sep 29, 2026501-1,000576 contacts →

Exact match

“Founded in 1983, Wiley is a dominant presence in the nation’s capital.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
22Exact matchSao Paulo, BrazilHQ recorded Sep 29, 2026201-500518 contacts →

Exact match

“Fundado em o Marcelo Tostes Advogados firmou-se como um escritório de advocacia empresarial de excelência.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
23Exact matchMilwaukee, WI, United StatesHQ recorded Sep 29, 2026201-500482 contacts →

Exact match

“At Reinhart Boerner Van Deuren, we know that every trusted relationship begins with understanding.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
24Exact matchBrazilHQ recorded Sep 29, 2026201-500465 contacts →

Exact match

“Quem somos Muito além de um escritório de advocacia, somos um time de advogados e advogadas comprometidos em oferecer assessoria jurídica de alto nível e especialização.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
25Exact matchCardiff, United KingdomHQ recorded Sep 29, 20261,001-5,000453 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase

Showing 25 of 10,870 regulations and compliance law firms worldwide

See the full list, filter by size, metro and specialty, and access 33,670 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Regulations and compliance law firms worldwide at a glance

As of Sep 29, 2026
32.6%Verified-email coverage
9.5Average contacts per company
1-10Median size (employees)
3.8%Largest-city concentration · Sao Paulo
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
7,763
11-50
2,585
51-200
378
201-500
75
501-1,000
17
1,001-5,000
20
10001+
4

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 regulations and compliance law firms are linked below.
What qualifies
Company records worldwide whose business descriptions match “regulations and compliance 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 33,670 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 September 29, 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.

Regulations and compliance law firms by location

66 lists · largest first

Every Regulations and 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 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 “regulations and compliance law firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many regulations and compliance law firms are there worldwide?

RevenueBase identified 10,870 company matches for regulations and compliance law firms worldwide as of September 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?

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

Which country has the most regulations and compliance law firms?

The United States leads with 1,769 companies, followed by Brazil (1,564) and India (920). Every regulations and compliance law firms list by country and city is linked on this page.

Which city has the most regulations and compliance law firms?

Sao Paulo leads with 416 company records, followed by London (189) and New Delhi (136).

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 33,670 professional contacts with verified work emails tracked across these 10,870 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 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 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.