Company lists · Data refreshed September 2026

Top 25 Legal services providers based in the United States

Name: Legal services providers based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 20, 2026 5,090 companies tracked

RevenueBase identified 5,090 legal services providers headquartered in the United States as of September 2026 and tracks 80,221 professional contacts across them, including 39,918 with verified work emails. New York is the largest hub.

This list covers legal services providers 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 20, 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 20, 2026 86% judged on-target in blind review

5,090Companies

80,221Contacts tracked

39,918Verified emails

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The 25 largest legal services providers based in the United States

Ranked by team size

Top 25 of 5,090 legal services providers based in the United States, ranked by team size, largest first. Data refreshed Sep 20, 2026. RevenueBase Smart Search rates how each company's information relates to legal services providers: 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.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Seyfarth Shaw LLP	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 20, 2026	1,001-5,000	2,167 contacts →
	Indirect evidence “High stakes.” Source: RevenueBase Database · checked Sep 20, 2026
2	FOX Rothschild	Indirect evidence	Philadelphia, PA, United StatesHQ checked Sep 20, 2026	1,001-5,000	2,139 contacts →
	Indirect evidence “With bold growth, Fox Rothschild brings together attorneys coast to coast.” Source: RevenueBase Database · checked Sep 20, 2026
3	Taft Stettinius & Hollister LLP	Indirect evidence	Cincinnati, OH, United StatesHQ checked Sep 20, 2026	1,001-5,000	1,980 contacts →
	Indirect evidence “At Taft, we work as one team, driven and committed to helping you succeed.” Source: RevenueBase Database · checked Sep 20, 2026
4	Ballard Spahr LLP	Indirect evidence	Philadelphia, PA, United StatesHQ checked Sep 20, 2026	1,001-5,000	1,682 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 20, 2026
5	Clark Hill LAW	Indirect evidence	Detroit, MI, United StatesHQ checked Sep 20, 2026	1,001-5,000	1,343 contacts →
	Indirect evidence “At Clark Hill, our value proposition is simple.” Source: RevenueBase Database · checked Sep 20, 2026
6	Snell & Wilmer	Indirect evidence	Phoenix, AZ, United StatesHQ checked Sep 20, 2026	501-1,000	1,219 contacts →
	Indirect 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 20, 2026
7	Saul Ewing LLP	Indirect evidence	Philadelphia, PA, United StatesHQ checked Sep 20, 2026	501-1,000	916 contacts →
	Indirect evidence “Inspired People.” Source: RevenueBase Database · checked Sep 20, 2026
8	Buchalter	Indirect evidence	Los Angeles, CA, United StatesHQ checked Sep 20, 2026	501-1,000	843 contacts →
	Indirect evidence “Buchalter is a full-service business law firm with offices in Arizona, California, Colorado, Georgia, Illinois, Oregon, Tennessee, Utah, and Washington.” Source: RevenueBase Database · checked Sep 20, 2026
9	Fredrikson & Byron, P.A	Indirect evidence	Minneapolis, MN, United StatesHQ checked Sep 20, 2026	501-1,000	834 contacts →
	Indirect 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 20, 2026
10	Hall Booth Smith, P.C	Indirect evidence	Atlanta, GA, United StatesHQ checked Sep 20, 2026	501-1,000	815 contacts →
	Indirect 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 20, 2026
11	Kelley Drye & Warren LLP	Indirect evidence	New York, NY, United StatesHQ checked Sep 20, 2026	501-1,000	690 contacts →
	Indirect 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 20, 2026
12	Fennemore	Strong evidence	Phoenix, AZ, United StatesHQ checked Sep 20, 2026	501-1,000	674 contacts →
	Strong evidence “Since 1885, Fennemore has provided legal counsel to help clients thrive in a complex, evolving business and legal landscape.” Source: RevenueBase Database · checked Sep 20, 2026
13	Grayrobinson, P.A	Indirect evidence	Orlando, FL, United StatesHQ checked Sep 20, 2026	501-1,000	672 contacts →
	Indirect evidence “GrayRobinson is a multidimensional team of attorneys, advisors, and consultants recognized as one of the most influential firms in Florida.” Source: RevenueBase Database · checked Sep 20, 2026
14	Honigman LLP	Indirect evidence	Detroit, MI, United StatesHQ checked Sep 20, 2026	501-1,000	669 contacts →
	Indirect evidence “Honigman LLP is an Am Law 200 full-service, general business law firm with more than 400 attorneys counseling clients on complex issues across the country in Chicago, Michigan…” Source: RevenueBase Database · checked Sep 20, 2026
15	Shutts & Bowen LLP	Indirect evidence	Miami, FL, United StatesHQ checked Sep 20, 2026	501-1,000	613 contacts →
	Indirect evidence “Shutts & Bowen is a Florida-based law firm, headquartered in Miami, representing individuals and business entities nationally and internationally.” Source: RevenueBase Database · checked Sep 20, 2026
16	Eckert Seamans	Indirect evidence	Pittsburgh, PA, United StatesHQ checked Sep 20, 2026	501-1,000	570 contacts →
	Indirect evidence “Eckert Seamans Cherin & Mellott LLC has lawyers in offices throughout the United States, including Harrisburg, Philadelphia, and Pittsburgh, Pennsylvania; Boston, Massachusetts…” Source: RevenueBase Database · checked Sep 20, 2026
17	Greenspoon Marder LLP	Indirect evidence	Fort Lauderdale, FL, United StatesHQ checked Sep 20, 2026	501-1,000	566 contacts →
	Indirect evidence “Greenspoon Marder LLP is a full-service law firm with over 215 attorneys and more than 20 office locations across the United States.” Source: RevenueBase Database · checked Sep 20, 2026
18	Reinhart Boerner VAN Deuren S.C	Indirect evidence	Milwaukee, WI, United StatesHQ checked Sep 20, 2026	201-500	482 contacts →
	Indirect evidence “At Reinhart Boerner Van Deuren, we know that every trusted relationship begins with understanding.” Source: RevenueBase Database · checked Sep 20, 2026
19	Porter Wright Morris & Arthur LLP	Indirect evidence	Columbus, OH, United StatesHQ checked Sep 20, 2026	201-500	418 contacts →
	Indirect evidence “Porter Wright Morris & Arthur LLP is a large business law firm that traces its roots to 1846 in Ohio.” Source: RevenueBase Database · checked Sep 20, 2026
20	Mcafee & Taft	Strong evidence	Oklahoma City, OK, United StatesHQ checked Sep 20, 2026	201-500	403 contacts →
	Strong evidence “By rigorously maintaining the highest standards of legal excellence, the Oklahoma-based law firm of McAfee & Taft has grown to become one of the largest and most respected…” Source: RevenueBase Database · checked Sep 20, 2026
21	Mcdonald Hopkins LLC	Indirect evidence	Cleveland, OH, United StatesHQ checked Sep 20, 2026	201-500	402 contacts →
	Indirect evidence “McDonald Hopkins is an entrepreneurial law firm founded in 1930 on practical Midwestern business values that are as relevant today as when we first began.” Source: RevenueBase Database · checked Sep 20, 2026
22	Sandberg Phoenix	Strong evidence	St Louis, MO, United StatesHQ checked Sep 20, 2026	201-500	387 contacts →
	Strong evidence “Over 45 years providing superior legal services to clients of every size throughout the Midwest and across the country, Sandberg Phoenix is consistently rated as one of St.” Source: RevenueBase Database · checked Sep 20, 2026
23	Varnum LLP	Strong evidence	Grand Rapids, MI, United StatesHQ checked Sep 20, 2026	201-500	382 contacts →
	Strong evidence “Varnum empowers business leaders to venture confidently with actionable legal counsel spanning the boardroom, courtroom, and private legal matters.” Source: RevenueBase Database · checked Sep 20, 2026
24	Winthrop & Weinstine, P.A	Indirect evidence	Minneapolis, MN, United StatesHQ checked Sep 20, 2026	201-500	361 contacts →
	Indirect evidence “Winthrop & Weinstine, P.A, is a full-service, entrepreneurial, commercial law firm dedicated to advancing the best interests of its clients and community through the timely…” Source: RevenueBase Database · checked Sep 20, 2026
25	Patterson Belknap Webb & Tyler LLP	Strong evidence	New York, NY, United StatesHQ checked Sep 20, 2026	201-500	356 contacts →
	Strong evidence “Founded in 1919, Patterson Belknap is a law firm of approximately 200 lawyers committed to providing high quality legal advice and service to clients and to maintaining a…” Source: RevenueBase Database · checked Sep 20, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: legal services providers. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names legal services providers.
Partial evidence: Its own public description names part of legal services providers, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name legal services providers. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 5,090 legal services providers based in the United States

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Legal services providers based in the United States at a glance

As of Sep 20, 2026

49.8%Verified-email coverage

15.8Average contacts per company

1-10Median size (employees)

4.6%Largest-city concentration · New York

Sep 20, 2026Page data refreshed

Companies by employee count

1-10

3,510

11-50

1,147

51-200

321

201-500

501-1,000

1,001-5,000

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 5,090 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 legal services providers, 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 “legal services providers”. 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 legal services providers), 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 legal services providers, 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, 39,918 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 20, 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.

Legal services providers 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 legal services providers, 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 legal services providers are there based in the United States?

RevenueBase identified 5,090 legal services providers 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?

Seyfarth Shaw LLP, headquartered in Chicago, tops this list with the largest team on record.

Which city has the most legal services providers?

New York leads with 233 headquartered companies, followed by Chicago (114) and Houston (113).

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 39,918 verified decision-maker contacts tracked across these 5,090 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 20, 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.