Company lists · Data refreshed September 2026

Top 25 Sec compliance law firms based in the United States

RevenueBase identified 3,406 sec compliance law firms headquartered in the United States as of September 2026 and tracks 96,576 professional contacts across them, including 52,436 with verified work emails. New York is the largest hub.

This list covers sec compliance law firms headquartered in the United States, 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 29, 2026.

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 29, 2026 86% judged on-target in blind review
3,406Companies
96,576Contacts tracked
52,436Verified emails
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The 25 largest sec compliance law firms based in the United States

Ranked by team size
Top 25 of 3,406 sec compliance law firms based in the United States, ranked by team size, largest first. Data refreshed Sep 29, 2026. RevenueBase Smart Search rates how each company's information relates to sec 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 evidenceSan Francisco, CA, United StatesHQ checked Sep 29, 20261,001-5,0002,667 contacts →

Indirect evidence

“Morrison Foerster transforms complexity into advantage.”

Source: RevenueBase Database · checked Sep 29, 2026
2Indirect evidenceWashington, DC, United StatesHQ checked Sep 29, 20261,001-5,0002,333 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 29, 2026
3Partial evidencePhiladelphia, PA, United StatesHQ checked Sep 29, 20261,001-5,0002,041 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 29, 2026
4Partial evidenceColumbia, SC, United StatesHQ checked Sep 29, 20261,001-5,0002,012 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 29, 2026
5Strong evidenceWashington, DC, United StatesHQ checked Sep 29, 20261,001-5,0001,790 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 29, 2026
6Partial evidenceLancaster, PA, United StatesHQ checked Sep 29, 20261,001-5,0001,740 contacts →

Partial 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 29, 2026
7Partial evidenceHouston, TX, United StatesHQ checked Sep 29, 20261,001-5,0001,693 contacts →

Partial evidence

“Vinson & Elkins is a law firm of global distinction, working with leading companies on wide-ranging matters in key industries across the economy.”

Source: RevenueBase Database · checked Sep 29, 2026
8Partial evidencePhiladelphia, PA, United StatesHQ checked Sep 29, 20261,001-5,0001,682 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 29, 2026
9Indirect evidenceDetroit, MI, United StatesHQ checked Sep 29, 20261,001-5,0001,343 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 29, 2026
10Indirect evidenceMilwaukee, WI, United StatesHQ checked Sep 29, 20261,001-5,0001,318 contacts →

Indirect evidence

“For over 125 years, Quarles & Brady LLP has provided quality legal services to a wide range of industries on a national stage.”

Source: RevenueBase Database · checked Sep 29, 2026
11Partial evidencePhoenix, AZ, United StatesHQ checked Sep 29, 2026501-1,0001,219 contacts →

Partial evidence

“Founded in 1938, Snell & Wilmer is a full-service business law firm with more than 500 lawyers practicing in 17 locations throughout the United States and in Mexico.”

Source: RevenueBase Database · checked Sep 29, 2026
12Partial evidencePittsburgh, PA, United StatesHQ checked Sep 29, 2026501-1,0001,197 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 Sep 29, 2026
13Partial evidenceChicago, IL, United StatesHQ checked Sep 29, 2026501-1,0001,188 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 29, 2026
14Indirect evidence500 Attorneys. 17 Locations Nationwide., MN, United StatesHQ checked Sep 29, 2026501-1,0001,167 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 29, 2026
15Partial evidenceMiami, FL, United StatesHQ checked Sep 29, 20261,001-5,0001,068 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 29, 2026
16Partial evidenceSt. Louis, MO, United StatesHQ checked Sep 29, 2026501-1,000938 contacts →

Partial evidence

“Thompson Coburn is a full-service, values-driven law firm with offices strategically located in Birmingham, Chicago, Dallas, Los Angeles, New York, Southern Illinois, St.”

Source: RevenueBase Database · checked Sep 29, 2026
17Partial evidenceDenver, CO, United StatesHQ checked Sep 29, 2026501-1,000902 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 29, 2026
18Partial evidenceMinneapolis, MN, United StatesHQ checked Sep 29, 2026501-1,000834 contacts →

Partial evidence

“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…”

Source: RevenueBase Database · checked Sep 29, 2026
19Indirect evidenceColumbus, OH, United StatesHQ checked Sep 29, 2026501-1,000831 contacts →

Indirect evidence

“We have been an innovative and forward-thinking firm since day one.”

Source: RevenueBase Database · checked Sep 29, 2026
20Partial evidenceAtlanta, GA, United StatesHQ checked Sep 29, 2026501-1,000815 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 29, 2026
21Indirect evidenceTampa, FL, United StatesHQ checked Sep 29, 2026501-1,000790 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 29, 2026
22Strong evidenceNew York, NY, United StatesHQ checked Sep 29, 20261,001-5,000788 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 Sep 29, 2026
23Indirect evidenceU.S., United StatesHQ checked Sep 29, 2026501-1,000758 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 29, 2026
24Partial evidenceAtlanta, GA, United StatesHQ checked Sep 29, 2026201-500746 contacts →

Partial evidence

“FordHarrison LLP - your partner in employment law.”

Source: RevenueBase Database · checked Sep 29, 2026
25Partial evidenceNew York, NY, United StatesHQ checked Sep 29, 2026501-1,000690 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 29, 2026

Showing 25 of 3,406 sec compliance law firms based in the United States

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Sec compliance law firms based in the United States at a glance

As of Sep 29, 2026
54.3%Verified-email coverage
28.4Average contacts per company
1-10Median size (employees)
8.1%Largest-city concentration · New York
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
2,084
11-50
927
51-200
264
201-500
72
501-1,000
32
1,001-5,000
21

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 3,406 companies.

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 sec 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.
What qualifies
Companies headquartered in the United States whose own description of what they do matches “sec 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 sec 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 sec compliance law firms, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
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, 52,436 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 29, 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.

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 sec 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 sec compliance law firms are there based in the United States?

RevenueBase identified 3,406 sec compliance law firms headquartered in the United States 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?

Morrison Foerster, headquartered in San Francisco, tops this list with the largest team on record.

Which city has the most sec compliance law firms?

New York leads with 277 headquartered companies, followed by Chicago (106) and Washington (97).

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 52,436 verified decision-maker contacts tracked across these 3,406 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 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 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.