Company lists · Data refreshed August 2026

Top 25 Compliance law firms based in the United States

RevenueBase identified 1,962 compliance law firms headquartered in the United States as of August 2026 and tracks 46,927 professional contacts across them, including 24,584 with verified work emails and 23,297 with mobile numbers. New York is the largest hub.

This list covers 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 August 31, 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 RevenueBase Smart Search rating on every row Refreshed Aug 31, 2026 86% judged on-target in blind review
1,962Companies
46,927Contacts tracked
24,584Verified emails
23,297Mobile numbers
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The 25 largest compliance law firms based in the United States

Ranked by team size
Top 25 of 1,962 compliance law firms based in the United States, 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
1Partial evidenceNew York, NY, United States1,001-5,0002,800 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
2Indirect evidenceWashington, DC, United States1,001-5,0002,324 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
3Partial evidencePhiladelphia, PA, United States1,001-5,0002,056 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Aug 31, 2026
4Partial evidenceColumbia, SC, United States1,001-5,0002,036 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
5Indirect evidenceScottsdale, AZ, United States1,001-5,0001,827 contacts →

Indirect evidence

“Faegre Drinker is a firm designed for clients.”

Source: RevenueBase Database · checked Aug 31, 2026
6Strong evidenceWashington, DC, United States1,001-5,0001,791 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
7Partial evidenceWashington D.C., DC, United States1,001-5,0001,720 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
8Indirect evidenceGrand Rapids, MI, United States1,001-5,0001,355 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Aug 31, 2026
9Partial evidencePittsburgh, PA, United States501-1,0001,204 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
10Partial evidenceIrvine, CA, United States501-1,0001,193 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Aug 31, 2026
11Indirect evidenceRedwood City, CA, United States501-1,0001,089 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Aug 31, 2026
12Partial evidenceAustin, TX, United States501-1,000943 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Aug 31, 2026
13Partial evidenceLas Vegas, NV, United States501-1,000896 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
14Partial evidenceMissoula, MT, United States501-1,000802 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
15Strong evidenceNew York, NY, United States1,001-5,000788 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
16Indirect evidenceWashington, DC, United States501-1,000766 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Aug 31, 2026
17Partial evidenceNew York, NY, United States201-500744 contacts →

Partial evidence

“FordHarrison LLP - your partner in employment law.”

Source: RevenueBase Database · checked Aug 31, 2026
18Partial evidenceLos Angeles, CA, United States501-1,000686 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 Aug 31, 2026
19Indirect evidenceCharlotte, NC, United States501-1,000578 contacts →

Indirect evidence

“Businesses and local governments turn to Parker Poe to structure transactions, navigate regulations, and resolve disputes.”

Source: RevenueBase Database · checked Aug 31, 2026
20Indirect evidenceWashington, DC, United States501-1,000576 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Aug 31, 2026
21Indirect evidenceWayne, PA, United States1,001-5,000566 contacts →

Indirect evidence

“For more than 25 years, SolomonEdwards has empowered organizations to tackle common and complex business challenges through strategic advisory, technical advocacy, and hands-on…”

Source: RevenueBase Database · checked Aug 31, 2026
22Indirect evidenceMilwaukee, WI, United States201-500489 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Aug 31, 2026
23Partial evidenceLouisville, KY, United States201-500426 contacts →

Partial evidence

“A full-service law firm representing clients across the United States and internationally, Stites & Harbison, PLLC is known as a preeminent firm managing sophisticated…”

Source: RevenueBase Database · checked Aug 31, 2026
24Partial evidenceWashington, DC, United States501-1,000406 contacts →

Partial evidence

“IBM Promontory is a global leader in strategy, risk management, and compliance consulting.#IBMConsulting”

Source: RevenueBase Database · checked Aug 31, 2026
25Indirect evidenceWheeling, WV, United States201-500335 contacts →

Indirect evidence

“For over 50 years, Post & Schell’s attorneys have combined the operational knowledge and insight into the industries they represent with creative legal solutions – and helped…”

Source: RevenueBase Database · checked Aug 31, 2026

Showing 25 of 1,962 compliance law firms based in the United States

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Compliance law firms based in the United States at a glance

As of Aug 31, 2026
52.4%Verified-email coverage
49.6%Mobile-number coverage
23.9Average contacts per company
1-10Median size (employees)
6.5%Largest-city concentration · New York
Aug 31, 2026Page data refreshed

Companies by employee count

1-10
1,384
11-50
430
51-200
94
201-500
25
501-1,000
13
1,001-5,000
12
5,001-10,000
1

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.
What qualifies
Companies headquartered in the United States 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. 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, 24,584 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 August 31, 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 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 based in the United States?

RevenueBase identified 1,962 compliance law firms headquartered in the United States 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?

Garrigues, headquartered in New York, tops this list with the largest team on record.

Which city has the most compliance law firms?

New York leads with 127 headquartered companies, followed by Washington (111) and Miami (52).

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 24,584 verified decision-maker contacts tracked across these 1,962 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on August 31, 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.