Company lists · Data refreshed September 2026
Top 25 Regulatory compliance law firms worldwide
RevenueBase identified 8,574 regulatory compliance law firms worldwide as of September 2026 and tracks 98,230 professional contacts across them, including 34,293 with verified work emails and 21,313 with mobile numbers. Brazil is the largest market and Sao Paulo the largest hub.
This list covers regulatory 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 5, 2026. Country and city lists for regulatory 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.
The 25 largest regulatory compliance law firms worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 6,284 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 2 | 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 5, 2026Thanks. The Data Team will review it. | |||||
| 3 | 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 5, 2026Thanks. The Data Team will review it. | |||||
| 4 | 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 5, 2026Thanks. The Data Team will review it. | |||||
| 5 | 2,041 contacts → | ||||
Partial evidence “Dechert is the law firm that helps business leaders lead.” Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 6 | 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 5, 2026Thanks. The Data Team will review it. | |||||
| 7 | 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 5, 2026Thanks. The Data Team will review it. | |||||
| 8 | 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 5, 2026Thanks. The Data Team will review it. | |||||
| 9 | 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 5, 2026Thanks. The Data Team will review it. | |||||
| 10 | 1,343 contacts → | ||||
Indirect evidence “At Clark Hill, our value proposition is simple.” Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 11 | 1,231 contacts → | ||||
Partial evidence “An unpredictable world calls for a progressive-thinking law firm that’s aligned to your ambitions.” Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 12 | 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 5, 2026Thanks. The Data Team will review it. | |||||
| 13 | 1,188 contacts → | ||||
Partial evidence “Hinshaw & Culbertson LLP is a U.S-based law firm with offices nationwide.” Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 14 | 902 contacts → | ||||
Partial evidence “For decades, we’ve positioned ourselves at the intersection of law, business and policy to bring a multidisciplinary strategy to every issue.” Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 15 | 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 5, 2026Thanks. The Data Team will review it. | |||||
| 16 | 799 contacts → | ||||
Indirect evidence “Our clients, people and drive for quality are the energisers of our firm.” Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 17 | 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 5, 2026Thanks. The Data Team will review it. | |||||
| 18 | 746 contacts → | ||||
Partial evidence “FordHarrison LLP - your partner in employment law.” Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 19 | 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 5, 2026Thanks. The Data Team will review it. | |||||
| 20 | 634 contacts → | ||||
Indirect evidence “vezzilapolla.legal foi fundado em 2016, e conta atualmente com cerca de 600 profissionais.” Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 21 | 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 5, 2026Thanks. The Data Team will review it. | |||||
| 22 | 576 contacts → | ||||
Indirect evidence “Founded in 1983, Wiley is a dominant presence in the nation’s capital.” Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 23 | 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 5, 2026Thanks. The Data Team will review it. | |||||
| 24 | 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 5, 2026Thanks. The Data Team will review it. | |||||
| 25 | 453 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
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: regulatory 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 regulatory compliance law firms.
- Partial evidence
- Its own public description names part of regulatory 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 regulatory 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 8,574 regulatory compliance law firms worldwide
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Regulatory compliance law firms worldwide at a glance
As of Sep 5, 2026Companies by employee count
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 regulatory 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
- 31 countries, largest first: Brazil, the United States, India, Spain, the United Kingdom, Italy, Mexico, France, Germany, Türkiye and 21 more. Country and city lists for regulatory compliance law firms are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “regulatory 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 regulatory 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 regulatory 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, 34,293 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 5, 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.
Regulatory compliance law firms by location
69 lists · largest firstEvery Regulatory compliance law firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Regulatory compliance law firms based in Brazil1,793
- Regulatory compliance law firms based in the United States1,639
- Regulatory compliance law firms based in India864
- Regulatory compliance law firms based in Spain443
- Regulatory compliance law firms based in the United Kingdom433
- Regulatory compliance law firms based in Italy431
- Regulatory compliance law firms based in Mexico343
- Regulatory compliance law firms based in France270
- Regulatory compliance law firms based in Germany248
- Regulatory compliance law firms based in Türkiye187
- Regulatory compliance law firms based in South Africa178
- Regulatory compliance law firms based in Colombia159
- Regulatory compliance law firms based in Chile153
- Regulatory compliance law firms based in Australia146
- Regulatory compliance law firms based in the Netherlands146
- Regulatory compliance law firms based in Peru135
- Regulatory compliance law firms based in Canada121
- Regulatory compliance law firms based in Poland112
- Regulatory compliance law firms based in Argentina103
- Regulatory compliance law firms based in Indonesia96
- Regulatory compliance law firms based in Saudi Arabia96
- Regulatory compliance law firms based in Switzerland92
- Regulatory compliance law firms based in the United Arab Emirates84
- Regulatory compliance law firms based in Belgium66
- Regulatory compliance law firms based in Portugal45
- Regulatory compliance law firms based in Sweden45
- Regulatory compliance law firms based in Romania37
- Regulatory compliance law firms based in Cyprus32
- Regulatory compliance law firms based in Hong Kong26
- Regulatory compliance law firms based in Luxembourg26
- Regulatory compliance law firms based in Ireland25
Cities
- Regulatory compliance law firms based in Sao Paulo, Brazil459
- Regulatory compliance law firms based in London, United Kingdom188
- Regulatory compliance law firms based in Paris, France140
- Regulatory compliance law firms based in New Delhi, India135
- Regulatory compliance law firms based in Madrid, Spain120
- Regulatory compliance law firms based in New York, United States108
- Regulatory compliance law firms based in Washington, United States106
- Regulatory compliance law firms based in Rio De Janeiro, Brazil104
- Regulatory compliance law firms based in Curitiba, Brazil100
- Regulatory compliance law firms based in Belo Horizonte, Brazil93
- Regulatory compliance law firms based in Mumbai, India88
- Regulatory compliance law firms based in Delhi, India81
- Regulatory compliance law firms based in Porto Alegre, Brazil67
- Regulatory compliance law firms based in Milano, Italy64
- Regulatory compliance law firms based in Barcelona, Spain54
- Regulatory compliance law firms based in Brasilia, Brazil51
- Regulatory compliance law firms based in Sydney, Australia50
- Regulatory compliance law firms based in Johannesburg, South Africa48
- Regulatory compliance law firms based in Toronto, Canada43
- Regulatory compliance law firms based in Campinas, Brazil41
- Regulatory compliance law firms based in Miami, United States40
- Regulatory compliance law firms based in Recife, Brazil38
- Regulatory compliance law firms based in Atlanta, United States37
- Regulatory compliance law firms based in Los Angeles, United States37
- Regulatory compliance law firms based in Bengaluru, India36
- Regulatory compliance law firms based in Milan, Italy35
- Regulatory compliance law firms based in Roma, Italy35
- Regulatory compliance law firms based in Chicago, United States34
- Regulatory compliance law firms based in Salvador, Brazil34
- Regulatory compliance law firms based in Houston, United States32
- Regulatory compliance law firms based in Hyderabad, India32
- Regulatory compliance law firms based in Amsterdam, Netherlands31
- Regulatory compliance law firms based in Zurich, Switzerland31
- Regulatory compliance law firms based in Berlin, Germany29
- Regulatory compliance law firms based in Boston, United States28
- Regulatory compliance law firms based in Dallas, United States28
- Regulatory compliance law firms based in Austin, United States26
- Regulatory compliance law firms based in Noida, India26
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 regulatory 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 regulatory compliance law firms are there worldwide?
RevenueBase identified 8,574 regulatory 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?
LAW Firm, headquartered in London, tops this list with the largest team on record.
Which country has the most regulatory compliance law firms?
Brazil leads with 1,793 companies, followed by the United States (1,639) and India (864). Every regulatory compliance law firms list by country and city is linked on this page.
Which city has the most regulatory compliance law firms?
Sao Paulo leads with 459 headquartered companies, followed by London (191) and Paris (140).
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 34,293 verified decision-maker contacts tracked across these 8,574 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 5, 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.