Company lists · Data refreshed August 2026

Top 25 Compliance law firms worldwide

RevenueBase identified 13,561 compliance law firms worldwide as of August 2026 and tracks 147,868 professional contacts across them, including 48,262 with verified work emails and 28,050 with mobile numbers. Brazil is the largest market and Sao Paulo the largest hub.

This list covers 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 August 31, 2026. Country and city lists for 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 RevenueBase Smart Search rating on every row Refreshed Aug 31, 2026 86% judged on-target in blind review
13,561Companies
147,868Contacts tracked
48,262Verified emails
28,050Mobile numbers
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The 25 largest compliance law firms worldwide

Ranked by team size
Top 25 of 13,561 compliance law firms worldwide, ranked by team size, largest first. Data refreshed Aug 31, 2026. RevenueBase Smart Search rates how each company's information relates to 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.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceLondon, GBn/a6,369 contacts →

Indirect evidence

Source: RevenueBase Database · checked Aug 31, 2026
2Partial evidenceNew York, NY, US1,001-5,0002,800 contacts →

Partial evidence

“Garrigues is an international legal and tax services firm that advises clients locally, regionally and globally from every angle of business law.”

Source: RevenueBase Database · checked Aug 31, 2026
3Indirect evidenceWashington, DC, US1,001-5,0002,324 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Aug 31, 2026
4Indirect evidenceBR1,001-5,0002,250 contacts →

Indirect evidence

“O Nelson Wilians Advogados figura atualmente como um dos maiores escritórios de advocacia do Brasil nas categorias número de advogados e estruturas físicas próprias.”

Source: RevenueBase Database · checked Aug 31, 2026
5Partial evidenceMadurai, IndiaHQ checked Aug 31, 20261,001-5,0002,064 contacts →

Partial 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 Aug 31, 2026
6Partial evidencePhiladelphia, PA, US1,001-5,0002,056 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Aug 31, 2026
7Partial evidenceColumbia, SC, US1,001-5,0002,036 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 Aug 31, 2026
8Indirect evidenceScottsdale, AZ, US1,001-5,0001,827 contacts →

Indirect evidence

“Faegre Drinker is a firm designed for clients.”

Source: RevenueBase Database · checked Aug 31, 2026
9Strong evidenceWashington, DC, US1,001-5,0001,791 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 Aug 31, 2026
10Partial evidenceWashington D.C., DC, US1,001-5,0001,720 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 Aug 31, 2026
11Partial evidenceCampinas, BR1,001-5,0001,596 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 Aug 31, 2026
12Indirect evidenceGrand Rapids, MI, US1,001-5,0001,355 contacts →

Indirect evidence

“At Clark Hill, our value proposition is simple.”

Source: RevenueBase Database · checked Aug 31, 2026
13Partial evidenceLeeds, GB1,001-5,0001,246 contacts →

Partial evidence

“An unpredictable world calls for a progressive-thinking law firm that’s aligned to your ambitions.”

Source: RevenueBase Database · checked Aug 31, 2026
14Partial evidencePittsburgh, PA, US501-1,0001,204 contacts →

Partial 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 Aug 31, 2026
15Partial evidenceIrvine, CA, US501-1,0001,193 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Aug 31, 2026
16Indirect evidenceRedwood City, CA, US501-1,0001,089 contacts →

Indirect evidence

“Forget everything you thought you knew about professional services firms.”

Source: RevenueBase Database · checked Aug 31, 2026
17Partial evidenceAustin, TX, US501-1,000943 contacts →

Partial evidence

“Bracewell LLP is a leading law and government relations firm.”

Source: RevenueBase Database · checked Aug 31, 2026
18Partial evidenceLas Vegas, NV, US501-1,000896 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 Aug 31, 2026
19Indirect evidenceSao Paulo, BR501-1,000816 contacts →

Indirect evidence

“Fundada em 2003, a Lee, Brock, Camargo Advogados é uma associação de profissionais com habilidades multidisciplinares desenvolvidas em escritórios de advocacia e empresas e que…”

Source: RevenueBase Database · checked Aug 31, 2026
20Indirect evidenceAmsterdam, NL501-1,000814 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Aug 31, 2026
21Partial evidenceMissoula, MT, US501-1,000802 contacts →

Partial evidence

“Established in 1989, Hall Booth Smith, P.C.(HBS) is a full-service law firm with 32 offices across the United States.”

Source: RevenueBase Database · checked Aug 31, 2026
22Strong evidenceNew York, NY, US1,001-5,000788 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 Aug 31, 2026
23Indirect evidenceWashington, DC, US501-1,000766 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Aug 31, 2026
24Partial evidenceNew York, NY, US201-500744 contacts →

Partial evidence

“FordHarrison LLP - your partner in employment law.”

Source: RevenueBase Database · checked Aug 31, 2026
25Partial evidenceSao Paulo, BR501-1,000713 contacts →

Partial evidence

“We are an independent law firm that offers specialized advice and superior technical quality in a variety of legal areas.”

Source: RevenueBase Database · checked Aug 31, 2026

Showing 25 of 13,561 compliance law firms worldwide

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Compliance law firms worldwide at a glance

As of Aug 31, 2026
32.6%Verified-email coverage
19.0%Mobile-number coverage
10.9Average contacts per company
1-10Median size (employees)
5.1%Largest-city concentration · Sao Paulo
Aug 31, 2026Page data refreshed

Companies by employee count

1-10
9,128
11-50
3,622
51-200
553
201-500
103
501-1,000
33
1,001-5,000
25
5,001-10,000
2

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 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
45 countries, largest first: Brazil, the United States, India, Spain, Italy, Mexico, the United Kingdom, France, Germany, Türkiye and 35 more. Country and city lists for compliance law firms are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “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 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 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, 48,262 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 August 31, 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.

Compliance law firms by location

88 lists · largest first

Every 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 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 compliance law firms are there worldwide?

RevenueBase identified 13,561 compliance law firms worldwide as of August 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 compliance law firms?

Brazil leads with 2,870 companies, followed by the United States (1,962) and India (1,242). Every compliance law firms list by country and city is linked on this page.

Which city has the most compliance law firms?

Sao Paulo leads with 685 headquartered companies, followed by London (232) and Paris (197).

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 48,262 verified decision-maker contacts tracked across these 13,561 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 August 31, 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.