Company lists · Data refreshed September 2026

Top 25 Corporate legal services providers based in the United States

Name: Corporate 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 19, 2026 2,719 companies tracked

RevenueBase identified 2,719 corporate legal services providers headquartered in the United States as of September 2026 and tracks 98,871 professional contacts across them, including 49,805 with verified work emails. New York is the largest hub.

This list covers corporate 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 19, 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 19, 2026 86% judged on-target in blind review

2,719Companies

98,871Contacts tracked

49,805Verified emails

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The 25 largest corporate legal services providers based in the United States

Ranked by team size

Top 25 of 2,719 corporate legal services providers based in the United States, ranked by team size, largest first. Data refreshed Sep 19, 2026. RevenueBase Smart Search rates how each company's information relates to corporate 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	EPIQ	Strong evidence	New York, NY, United StatesHQ checked Sep 19, 2026	5,001-10,000	6,335 contacts →
	Strong evidence “Epiq, a global technology-enabled services leader to the legal industry and corporations, takes on large-scale, increasingly complex tasks for corporate counsel, law firms, and…” Source: RevenueBase Database · checked Sep 19, 2026
2	K&l Gates	Indirect evidence	Pittsburgh, PA, United StatesHQ checked Sep 19, 2026	1,001-5,000	4,861 contacts →
	Indirect evidence “At K&L Gates, we foster an inclusive and collaborative environment across our fully integrated global platform that enables us to diligently combine the knowledge and expertise of…” Source: RevenueBase Database · checked Sep 19, 2026
3	Integreon	Strong evidence	Austin, TX, United StatesHQ checked Sep 19, 2026	1,001-5,000	3,678 contacts →
	Strong evidence “Integreon is a trusted provider of legal, creative and business outsourced services to corporations and law firms worldwide.” Source: RevenueBase Database · checked Sep 19, 2026
4	Cooley LLP	Indirect evidence	Palo Alto, CA, United StatesHQ checked Sep 19, 2026	1,001-5,000	3,341 contacts →
	Indirect evidence “Clients partner with Cooley on transformative deals, complex IP and regulatory matters, and high-stakes litigation.” Source: RevenueBase Database · checked Sep 19, 2026
5	Perkins Coie	Indirect evidence	Seattle, WA, United StatesHQ checked Sep 19, 2026	1,001-5,000	2,746 contacts →
	Indirect evidence “Perkins Coie has combined with Ashurst to form Ashurst Perkins Coie.” Source: RevenueBase Database · checked Sep 19, 2026
6	Arnold & Porter	Indirect evidence	Washington, DC, United StatesHQ checked Sep 19, 2026	1,001-5,000	2,333 contacts →
	Indirect evidence “Arnold & Porter combines sophisticated regulatory, litigation, and transactional capabilities to resolve clients’ most complex issues.” Source: RevenueBase Database · checked Sep 19, 2026
7	Seyfarth Shaw LLP	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 19, 2026	1,001-5,000	2,167 contacts →
	Indirect evidence “High stakes.” Source: RevenueBase Database · checked Sep 19, 2026
8	Unitedlex	Strong evidence	New York, NY, United StatesHQ checked Sep 19, 2026	1,001-5,000	2,098 contacts →
	Strong evidence “UnitedLex is the preeminent business partner for legal delivering solutions that achieve value and drive growth for corporate legal departments and law firms in the areas of…” Source: RevenueBase Database · checked Sep 19, 2026
9	Dechert LLP	Indirect evidence	Philadelphia, PA, United StatesHQ checked Sep 19, 2026	1,001-5,000	2,041 contacts →
	Indirect evidence “Dechert is the law firm that helps business leaders lead.” Source: RevenueBase Database · checked Sep 19, 2026
10	Pillsbury Winthrop Shaw Pittman LLP	Indirect evidence	New York, NY, United StatesHQ checked Sep 19, 2026	1,001-5,000	1,949 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 19, 2026
11	Faegre Drinker	Indirect evidence	Philadelphia, PA, United StatesHQ checked Sep 19, 2026	1,001-5,000	1,848 contacts →
	Indirect evidence “Faegre Drinker is a firm designed for clients.” Source: RevenueBase Database · checked Sep 19, 2026
12	AXIOM	Partial evidence	New York, NY, United StatesHQ checked Sep 19, 2026	1,001-5,000	1,794 contacts →
	Partial evidence “As the leading alternative legal services provider globally, Axiom gives in-house legal teams on-demand access to top legal talent and lawyers, deployed when, where, and how…” Source: RevenueBase Database · checked Sep 19, 2026
13	Venable LLP	Partial evidence	Washington, DC, United StatesHQ checked Sep 19, 2026	1,001-5,000	1,790 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 19, 2026
14	Ballard Spahr LLP	Indirect evidence	Philadelphia, PA, United StatesHQ checked Sep 19, 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 19, 2026
15	Haynes And Boone, LLP	Partial evidence	Dallas, TX, United StatesHQ checked Sep 19, 2026	1,001-5,000	1,558 contacts →
	Partial evidence “Haynes Boone is among the fastest-growing firms in the Am Law 100, providing full-service counsel across sectors, including corporate, energy, financial services, real estate…” Source: RevenueBase Database · checked Sep 19, 2026
16	Katten Muchin Rosenman LLP	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 19, 2026	1,001-5,000	1,495 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 19, 2026
17	Clark Hill LAW	Indirect evidence	Detroit, MI, United StatesHQ checked Sep 19, 2026	1,001-5,000	1,343 contacts →
	Indirect evidence “At Clark Hill, our value proposition is simple.” Source: RevenueBase Database · checked Sep 19, 2026
18	Snell & Wilmer	Indirect evidence	Phoenix, AZ, United StatesHQ checked Sep 19, 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 19, 2026
19	Hinshaw & Culbertson LLP	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 19, 2026	501-1,000	1,188 contacts →
	Indirect evidence “Hinshaw & Culbertson LLP is a U.S-based law firm with offices nationwide.” Source: RevenueBase Database · checked Sep 19, 2026
20	Quislex	Strong evidence	New York, NY, United StatesHQ checked Sep 19, 2026	1,001-5,000	1,043 contacts →
	Strong evidence “QuisLex is an award-winning alternative legal services provider (ALSP) helping corporate legal departments and law firms manage risk, control cost, and drive efficiency across…” Source: RevenueBase Database · checked Sep 19, 2026
21	Thompson Hine LLP	Indirect evidence	Cleveland, OH, United StatesHQ checked Sep 19, 2026	501-1,000	929 contacts →
	Indirect evidence “Thompson Hine LLP, a full-service business law firm with over 400 lawyers in 11 offices, was ranked number 1 in the category "Most innovative North American law firms: New working…” Source: RevenueBase Database · checked Sep 19, 2026
22	Stoel Rives LLP	Indirect evidence	Portland, OR, United StatesHQ checked Sep 19, 2026	501-1,000	864 contacts →
	Indirect evidence “Stoel Rives is a leading U.S.” Source: RevenueBase Database · checked Sep 19, 2026
23	ICE Miller LLP	Partial evidence	Indianapolis, IN, United StatesHQ checked Sep 19, 2026	501-1,000	862 contacts →
	Partial evidence “Built on a foundation of legal service more than a century long, Ice Miller remains committed to helping our clients stay ahead in a changing world.” Source: RevenueBase Database · checked Sep 19, 2026
24	Buchalter	Indirect evidence	Los Angeles, CA, United StatesHQ checked Sep 19, 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 19, 2026
25	Fredrikson & Byron, P.A	Indirect evidence	Minneapolis, MN, United StatesHQ checked Sep 19, 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 19, 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: corporate 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 corporate legal services providers.
Partial evidence: Its own public description names part of corporate 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 corporate 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 2,719 corporate legal services providers based in the United States

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Corporate legal services providers based in the United States at a glance

As of Sep 19, 2026

50.4%Verified-email coverage

36.4Average contacts per company

1-10Median size (employees)

7.8%Largest-city concentration · New York

Sep 19, 2026Page data refreshed

Companies by employee count

1-10

1,922

11-50

519

51-200

155

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

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 2,719 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 corporate 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 “corporate 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 corporate 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 corporate 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, 49,805 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 19, 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.

Corporate 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 corporate 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 corporate legal services providers are there based in the United States?

RevenueBase identified 2,719 corporate 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?

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

Which city has the most corporate legal services providers?

New York leads with 213 headquartered companies, followed by Chicago (78) and Houston (73).

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 49,805 verified decision-maker contacts tracked across these 2,719 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 19, 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.