Company lists · Data refreshed September 2026

Top 25 Specialist legal practices based in the United States

RevenueBase identified 5,594 specialist legal practices headquartered in the United States as of September 2026 and tracks 214,820 professional contacts across them, including 123,743 with verified work emails. New York is the largest hub.

This list covers specialist legal practices 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 22, 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 22, 2026 86% judged on-target in blind review
5,594Companies
214,820Contacts tracked
123,743Verified emails
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The 25 largest specialist legal practices based in the United States

Ranked by team size
Top 25 of 5,594 specialist legal practices based in the United States, ranked by team size, largest first. Data refreshed Sep 22, 2026. RevenueBase Smart Search rates how each company's information relates to specialist legal practices: 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 evidenceNew York, NY, United StatesHQ checked Sep 22, 20261,001-5,0007,485 contacts →

Indirect evidence

“White & Case is a global law firm with longstanding offices in the markets that matter today.”

Source: RevenueBase Database · checked Sep 22, 2026
2Partial evidenceNew York, NY, United StatesHQ checked Sep 22, 20261,001-5,0004,540 contacts →

Partial evidence

“Skadden, Arps, Slate, Meagher & Flom LLP and Affiliates delivers the highest quality advice and novel solutions to legal challenges, enabling clients to achieve their business…”

Source: RevenueBase Database · checked Sep 22, 2026
3Indirect evidenceLos Angeles, CA, United StatesHQ checked Sep 22, 20261,001-5,0003,735 contacts →

Indirect evidence

“Gibson Dunn is a leading global law firm, advising clients on significant transactions and disputes.”

Source: RevenueBase Database · checked Sep 22, 2026
4Indirect evidencePalo Alto, CA, United StatesHQ checked Sep 22, 20261,001-5,0003,341 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 22, 2026
5Indirect evidenceLos Angeles, CA, United StatesHQ checked Sep 22, 20261,001-5,0003,079 contacts →

Indirect evidence

“Established in 1979, Lewis Brisbois Bisgaard & Smith LLP is a national, full-service law firm with more than 1,600 attorneys and 54 offices in 30 states and the District of…”

Source: RevenueBase Database · checked Sep 22, 2026
6Indirect evidenceMilwaukee, WI, United StatesHQ checked Sep 22, 20261,001-5,0002,884 contacts →

Indirect evidence

“Foley & Lardner LLP stands at the nexus of the Energy & Infrastructure, Health Care & Life Sciences, Innovative Technology, and Manufacturing Sectors.”

Source: RevenueBase Database · checked Sep 22, 2026
7Indirect evidenceSeattle, WA, United StatesHQ checked Sep 22, 20261,001-5,0002,746 contacts →

Indirect evidence

“Perkins Coie has combined with Ashurst to form Ashurst Perkins Coie.”

Source: RevenueBase Database · checked Sep 22, 2026
8Indirect evidenceSan Francisco, CA, United StatesHQ checked Sep 22, 20261,001-5,0002,667 contacts →

Indirect evidence

“Morrison Foerster transforms complexity into advantage.”

Source: RevenueBase Database · checked Sep 22, 2026
9Indirect evidence20+ U.s. Offices, United StatesHQ checked Sep 22, 20261,001-5,0002,539 contacts →

Indirect evidence

“Husch Blackwell is a different kind of law firm–structured around our clients’ industries and built on a culture of selfless service.”

Source: RevenueBase Database · checked Sep 22, 2026
10Indirect evidenceWashington, United StatesHQ checked Sep 22, 20261,001-5,0002,454 contacts →

Indirect evidence

“Akin is a global law firm with more than 1,100 lawyers and advisors who pride themselves on dedication to their clients and their communities.”

Source: RevenueBase Database · checked Sep 22, 2026
11Indirect evidenceWashington, DC, United StatesHQ checked Sep 22, 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 22, 2026
12Indirect evidenceChicago, IL, United StatesHQ checked Sep 22, 20261,001-5,0002,167 contacts →

Indirect evidence

“High stakes.”

Source: RevenueBase Database · checked Sep 22, 2026
13Indirect evidencePhiladelphia, PA, United StatesHQ checked Sep 22, 20261,001-5,0002,139 contacts →

Indirect evidence

“With bold growth, Fox Rothschild brings together attorneys coast to coast.”

Source: RevenueBase Database · checked Sep 22, 2026
14Indirect evidencePhiladelphia, PA, United StatesHQ checked Sep 22, 20261,001-5,0002,041 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 22, 2026
15Indirect evidenceColumbia, SC, United StatesHQ checked Sep 22, 20261,001-5,0002,012 contacts →

Indirect 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 22, 2026
16Indirect evidenceCincinnati, OH, United StatesHQ checked Sep 22, 20261,001-5,0001,980 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 22, 2026
17Indirect evidenceNew York, NY, United StatesHQ checked Sep 22, 20261,001-5,0001,949 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 22, 2026
18Partial evidenceWashington, DC, United StatesHQ checked Sep 22, 20261,001-5,0001,790 contacts →

Partial 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 22, 2026
19Indirect evidencePhiladelphia, PA, United StatesHQ checked Sep 22, 20261,001-5,0001,682 contacts →

Indirect evidence

“Ballard Spahr LLP, an Am Law 100 law firm with more than 750 lawyers in 19 U.S.”

Source: RevenueBase Database · checked Sep 22, 2026
20Indirect evidenceWashington, DC, United StatesHQ checked Sep 22, 20261,001-5,0001,602 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 22, 2026
21Indirect evidenceChicago, IL, United StatesHQ checked Sep 22, 20261,001-5,0001,495 contacts →

Indirect evidence

“Katten is a full-service law firm with nearly 650 attorneys in locations across the United States and in London and Shanghai.”

Source: RevenueBase Database · checked Sep 22, 2026
22Partial evidenceBirmingham, AL, United StatesHQ checked Sep 22, 2026501-1,0001,440 contacts →

Partial evidence

“Ranked in the Am Law 100, Bradley is a national law firm with a reputation for skilled legal work, exceptional client service, and impeccable integrity.”

Source: RevenueBase Database · checked Sep 22, 2026
23Indirect evidenceDetroit, MI, United StatesHQ checked Sep 22, 20261,001-5,0001,343 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 22, 2026
24Indirect evidenceBoston, MA, United StatesHQ checked Sep 22, 20261,001-5,0001,326 contacts →

Indirect evidence

“Mintz is a full-service law firm serving clients in the life sciences, energy, private equity, and technology industries.”

Source: RevenueBase Database · checked Sep 22, 2026
25Partial evidenceMilwaukee, WI, United StatesHQ checked Sep 22, 20261,001-5,0001,318 contacts →

Partial 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 22, 2026

Showing 25 of 5,594 specialist legal practices based in the United States

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 123,743 reachable decision-makers.

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Specialist legal practices based in the United States at a glance

As of Sep 22, 2026
57.6%Verified-email coverage
38.4Average contacts per company
1-10Median size (employees)
6.2%Largest-city concentration · New York
Sep 22, 2026Page data refreshed

Companies by employee count

1-10
3,088
11-50
1,715
51-200
569
201-500
132
501-1,000
56
1,001-5,000
30

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 5,594 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 specialist legal practices, 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 “specialist legal practices”. 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 specialist legal practices), 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 specialist legal practices, 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, 123,743 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 22, 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.

Specialist legal practices by metro

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 specialist legal practices, 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 specialist legal practices are there based in the United States?

RevenueBase identified 5,594 specialist legal practices 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?

White & Case LLP, headquartered in New York, tops this list with the largest team on record.

Which city has the most specialist legal practices?

New York leads with 346 headquartered companies, followed by Los Angeles (183) and Chicago (182).

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 123,743 verified decision-maker contacts tracked across these 5,594 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 22, 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.