Company lists · Data refreshed September 2026

Top 25 Compliance and regulatory law firms based in the United States

RevenueBase identified 3,276 company matches for compliance and regulatory law firms associated with the United States as of September 2026 and tracks 92,358 professional contacts across them, including 53,291 with verified work emails. New York is the largest hub.

This list covers company matches for compliance and regulatory law firms associated with the United States, 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 27, 2026.

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 27, 2026 How this list was built
3,276Companies
92,358Contacts tracked
53,291Verified emails
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The 25 largest compliance and regulatory law firms based in the United States

Ranked by team size
Top 25 of 3,276 company matches for compliance and regulatory law firms based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 27, 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 matchPalo Alto, CA, United StatesHQ recorded Sep 27, 20261,001-5,0003,341 contacts →

Exact match

“Clients partner with Cooley on transformative deals, complex IP and regulatory matters, and high-stakes litigation.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
2Exact matchSan Francisco, CA, United StatesHQ recorded Sep 27, 20261,001-5,0002,667 contacts →

Exact match

“Morrison Foerster transforms complexity into advantage.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
3Exact matchWashington, DC, United StatesHQ recorded Sep 27, 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 27, 2026 · View company records in RevenueBase
4Exact matchChicago, IL, United StatesHQ recorded Sep 27, 20261,001-5,0002,167 contacts →

Exact match

“High stakes.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
5Exact matchPhiladelphia, PA, United StatesHQ recorded Sep 27, 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 27, 2026 · View company records in RevenueBase
6Exact matchColumbia, SC, United StatesHQ recorded Sep 27, 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 27, 2026 · View company records in RevenueBase
7Exact matchCincinnati, OH, United StatesHQ recorded Sep 27, 20261,001-5,0001,980 contacts →

Exact match

“At Taft, we work as one team, driven and committed to helping you succeed.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
8Exact matchNew York, NY, United StatesHQ recorded Sep 27, 20261,001-5,0001,949 contacts →

Exact match

“Pillsbury is one of the world’s foremost law firms, operating at the intersection of technology innovation, capital and government.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
9Exact matchPhiladelphia, PA, United StatesHQ recorded Sep 27, 20261,001-5,0001,848 contacts →

Exact match

“Faegre Drinker is a firm designed for clients.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
10Exact matchWashington, DC, United StatesHQ recorded Sep 27, 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 27, 2026 · View company records in RevenueBase
11Exact matchPhiladelphia, PA, United StatesHQ recorded Sep 27, 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 27, 2026 · View company records in RevenueBase
12Exact matchWashington, DC, United StatesHQ recorded Sep 27, 20261,001-5,0001,602 contacts →

Exact match

“Crowell & Moring is an international law firm with operations in the United States, Europe, MENA, and Asia.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
13Exact matchAtlanta, GA, United StatesHQ recorded Sep 27, 2026501-1,0001,471 contacts →

Exact match

“With hundreds of attorneys across the globe, Fisher Phillips advises and advocates for employers internationally on some of the most complex and high-profile workplace matters.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
14Exact matchDetroit, MI, United StatesHQ recorded Sep 27, 20261,001-5,0001,343 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
15Exact matchPittsburgh, PA, United StatesHQ recorded Sep 27, 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 27, 2026 · View company records in RevenueBase
16Exact matchChicago, IL, United StatesHQ recorded Sep 27, 2026501-1,0001,194 contacts →

Exact match

“At Jenner & Block, we shape what’s next through experience, vision, and judgment.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
17Exact matchChicago, IL, United StatesHQ recorded Sep 27, 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 27, 2026 · View company records in RevenueBase
18Exact match500 Attorneys. 17 Locations Nationwide., MN, United StatesHQ recorded Sep 27, 2026501-1,0001,167 contacts →

Exact match

“Stinson LLP collaborates with clients ranging from individuals and privately held enterprises to national companies and international public corporations.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
19Exact matchDetroit, MI, United StatesHQ recorded Sep 27, 2026501-1,0001,022 contacts →

Exact match

“Dickinson Wright is a growing, full-service firm of experienced, creative, diverse and dedicated legal professionals.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
20Exact matchHouston, TX, United StatesHQ recorded Sep 27, 2026501-1,000933 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
21Exact matchPhiladelphia, PA, United StatesHQ recorded Sep 27, 2026501-1,000916 contacts →

Exact match

“Inspired People.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
22Exact matchDenver, CO, United StatesHQ recorded Sep 27, 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 27, 2026 · View company records in RevenueBase
23Exact matchMinneapolis, MN, United StatesHQ recorded Sep 27, 2026501-1,000834 contacts →

Exact match

“At Fredrikson, we’ve built a reputation as the firm “where law and business meet” by bringing business acumen and entrepreneurial thinking to our work with clients, and by…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
24Exact matchAtlanta, GA, United StatesHQ recorded Sep 27, 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 27, 2026 · View company records in RevenueBase
25Exact matchTampa, FL, United StatesHQ recorded Sep 27, 2026501-1,000790 contacts →

Exact match

“We view the world from our clients’ perspectives, helping them to lead and innovate across industries and around the globe.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase

Showing 25 of 3,276 compliance and regulatory law firms based in the United States

See the full list, filter by size, metro and specialty, and access 53,291 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Compliance and regulatory law firms based in the United States at a glance

As of Sep 27, 2026
57.7%Verified-email coverage
28.2Average contacts per company
1-10Median size (employees)
6.4%Largest-city concentration · New York
Sep 27, 2026Page data refreshed

Companies by employee count

1-10
2,168
11-50
796
51-200
221
201-500
43
501-1,000
24
1,001-5,000
16
5,001-10,000
1

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 3,276 companies.

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.
What qualifies
Company records associated with the United States whose business descriptions match “compliance and regulatory 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 53,291 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 27, 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.

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

How many compliance and regulatory law firms are there based in the United States?

RevenueBase identified 3,276 company matches for compliance and regulatory law firms associated with the United States 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?

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

Which city has the most compliance and regulatory law firms?

New York leads with 211 company records, followed by Washington (204) and Chicago (78).

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 53,291 professional contacts with verified work emails tracked across these 3,276 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 27, 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.