Company lists · Data refreshed September 2026

Top 25 Private equity law firms based in the United States

Name: Private equity law firms based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 5, 2026 6,670 companies tracked

RevenueBase identified 6,670 private equity law firms headquartered in the United States as of September 2026 and tracks 303,730 professional contacts across them, including 175,465 with verified work emails and 152,821 with mobile numbers. New York is the largest hub.

This list covers private equity 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, how directly it supports the match, and when it was last checked. Data refreshed September 5, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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 Match evidence on every row Refreshed Sep 5, 2026 86% judged on-target in blind review

6,670Companies

303,730Contacts tracked

175,465Verified emails

152,821Mobile numbers

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The 25 largest private equity law firms based in the United States

Ranked by team size

Top 25 of 6,670 private equity law firms based in the United States, ranked by team size, largest first. Data refreshed Sep 5, 2026. Evidence rates how directly each company's own description names private equity law firms: strong (names it), partial (names part of it), indirect (matched on its full profile rather than the summary shown). Click a count to unlock that company's people.
#	Company	Headquarters	Employees	Contacts
1	Kirkland & EllisStrong evidence	Chicago, IL, United StatesHQ checked Sep 5, 2026	5,001-10,000	8,449
	“As one of the world’s leading law firms, we serve a broad range of clients with market-leading practices in private equity, M&A and other complex corporate transactions…” Source: company website · checked Sep 5, 2026
2	White & Case LLPPartial evidence	New York, NY, United StatesHQ checked Sep 5, 2026	1,001-5,000	7,485
	“White & Case is a global law firm with longstanding offices in the markets that matter today.” Source: company website · checked Sep 5, 2026
3	Sidley Austin LLPPartial evidence	Chicago, IL, United StatesHQ checked Sep 5, 2026	1,001-5,000	5,169
	“Sidley is an elite global law firm.” Source: company website · checked Sep 5, 2026
4	K&l GatesIndirect evidence	Pittsburgh, PA, United StatesHQ checked Sep 5, 2026	1,001-5,000	4,861
	“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: company website · checked Sep 5, 2026
5	Morgan, Lewis & Bockius LLPPartial evidence	Philadelphia, PA, United StatesHQ checked Sep 5, 2026	1,001-5,000	4,832
	“From our offices in strategic hubs of commerce, law, and government across North America, Asia, Europe, and the Middle East, we work with clients ranging from established, global…” Source: company website · checked Sep 5, 2026
6	Skadden, Arps, Slate, Meagher & Flom LLP And AffiliatesIndirect evidence	New York, NY, United StatesHQ checked Sep 5, 2026	1,001-5,000	4,540
	“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: company website · checked Sep 5, 2026
7	Holland & Knight LLPPartial evidence	Tampa, FL, United StatesHQ checked Sep 5, 2026	1,001-5,000	4,317
	“Holland & Knight is a global law firm with more than 2,200 lawyers and other professionals in 35 offices throughout the world.” Source: company website · checked Sep 5, 2026
8	Mayer BrownPartial evidence	Chicago, IL, United StatesHQ checked Sep 5, 2026	1,001-5,000	4,177
	“Mayer Brown is a leading international law firm, positioned to represent the world’s major corporations, funds and financial institutions in their most important and complex…” Source: company website · checked Sep 5, 2026
9	Gibson DunnPartial evidence	Los Angeles, CA, United StatesHQ checked Sep 5, 2026	1,001-5,000	3,735
	“Gibson Dunn is a leading global law firm, advising clients on significant transactions and disputes.” Source: company website · checked Sep 5, 2026
10	GoodwinIndirect evidence	Boston, MA, United StatesHQ checked Sep 5, 2026	5,001-10,000	3,582
	“At Goodwin, we live your business.” Source: company website · checked Sep 5, 2026
11	Squire Patton BoggsPartial evidence	Cleveland, OH, United StatesHQ checked Sep 5, 2026	1,001-5,000	3,343
	“Squire Patton Boggs is a full service global law firm providing insight at the point where law, business and government meet, giving you a voice, supporting your ambitions and…” Source: company website · checked Sep 5, 2026
12	Cooley LLPIndirect evidence	Palo Alto, CA, United StatesHQ checked Sep 5, 2026	1,001-5,000	3,341
	“Clients partner with Cooley on transformative deals, complex IP and regulatory matters, and high-stakes litigation.” Source: company website · checked Sep 5, 2026
13	Paul HastingsStrong evidence	Los Angeles, CA, United StatesHQ checked Sep 5, 2026	1,001-5,000	3,045
	“With widely recognized elite teams in finance, mergers & acquisitions, private equity, restructuring and special situations, litigation, employment and real estate, Paul Hastings…” Source: company website · checked Sep 5, 2026
14	Gordon Rees Scully Mansukhani, LLPPartial evidence	San Francisco, CA, United StatesHQ checked Sep 5, 2026	1,001-5,000	2,846
	“As the only full-service law firm with offices and attorneys in all 50 states, Gordon Rees Scully Mansukhani delivers maximum value to our clients by combining the resources of a…” Source: company website · checked Sep 5, 2026
15	Perkins CoieIndirect evidence	Seattle, WA, United StatesHQ checked Sep 5, 2026	1,001-5,000	2,746
	“Perkins Coie has combined with Ashurst to form Ashurst Perkins Coie.” Source: company website · checked Sep 5, 2026
16	Weil, Gotshal & Manges LLPIndirect evidence	New York, NY, United StatesHQ checked Sep 5, 2026	1,001-5,000	2,675
	“Founded in 1931, Weil, Gotshal & Manges LLP has been a preeminent provider of legal services for the past 90 years.” Source: company website · checked Sep 5, 2026
17	Morrison FoersterIndirect evidence	San Francisco, CA, United StatesHQ checked Sep 5, 2026	1,001-5,000	2,667
	“Morrison Foerster transforms complexity into advantage.” Source: company website · checked Sep 5, 2026
18	Paul, Weiss, Rifkind, Wharton & Garrison LLPPartial evidence	New York, NY, United StatesHQ checked Sep 5, 2026	1,001-5,000	2,577
	“Paul, Weiss, Rifkind, Wharton & Garrison LLP is a global law firm of more than 1,500 lawyers focused on helping clients navigate their most complex legal and business challenges.” Source: company website · checked Sep 5, 2026
19	Husch BlackwellPartial evidence	20+ U.s. Offices, United StatesHQ checked Sep 5, 2026	1,001-5,000	2,539
	“Husch Blackwell is a different kind of law firm–structured around our clients’ industries and built on a culture of selfless service.” Source: company website · checked Sep 5, 2026
20	Akin Gump Strauss Hauer & Feld LLPPartial evidence	Washington, United StatesHQ checked Sep 5, 2026	1,001-5,000	2,454
	“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: company website · checked Sep 5, 2026
21	Arnold & PorterIndirect evidence	Washington, DC, United StatesHQ checked Sep 5, 2026	1,001-5,000	2,333
	“Arnold & Porter combines sophisticated regulatory, litigation, and transactional capabilities to resolve clients’ most complex issues.” Source: company website · checked Sep 5, 2026
22	Willkie Farr & Gallagher LLPIndirect evidence	New York, NY, United StatesHQ checked Sep 5, 2026	1,001-5,000	2,190
	“Willkie Farr & Gallagher LLP provides leading-edge legal solutions on complex, business critical issues spanning markets and industries.” Source: company website · checked Sep 5, 2026
23	Seyfarth Shaw LLPIndirect evidence	Chicago, IL, United StatesHQ checked Sep 5, 2026	1,001-5,000	2,167
	“High stakes.” Source: company website · checked Sep 5, 2026
24	FOX RothschildIndirect evidence	Philadelphia, PA, United StatesHQ checked Sep 5, 2026	1,001-5,000	2,139
	“With bold growth, Fox Rothschild brings together attorneys coast to coast.” Source: company website · checked Sep 5, 2026
25	Proskauer Rose LLPIndirect evidence	New York, NY, United StatesHQ checked Sep 5, 2026	1,001-5,000	2,096
	“We are 800+ lawyers serving clients from offices located in the leading financial and business centers in the Americas, Europe and Asia.” Source: company website · checked Sep 5, 2026

Showing 25 of 6,670 private equity law firms based in the United States

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Private equity law firms based in the United States at a glance

As of Sep 5, 2026

1-10Median size (employees)

New YorkLargest hub · 630 HQs

152,821Contacts with mobile numbers

Sep 5, 2026Data refreshed

Companies by employee count

1-10

4,016

11-50

1,854

51-200

513

201-500

134

501-1,000

1,001-5,000

5,001-10,000

10001+

Verified emails by last verification

0–30

163,525

31–60

10,940

61–90

131

90–180

180+

787

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 private equity law firms, so some rows will be adjacent to the category rather than pure plays. The description and evidence 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 SmartSearch, 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 “private equity law firms”. Matching reads each company's description, not its industry code or its name.
What we exclude: Companies whose own description does not clearly place them among private equity 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 an evidence 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, 175,465 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 5, 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.

Private equity law firms by metro

Frequently asked

How many private equity law firms are there based in the United States?

RevenueBase identified 6,670 private equity 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?

Kirkland & Ellis, headquartered in Chicago, tops this list with the largest team on record.

Which city has the most private equity law firms?

New York leads with 630 headquartered companies, followed by Chicago (256) and Los Angeles (213).

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 175,465 verified decision-maker contacts tracked across these 6,670 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 5, 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 SmartSearch, 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.