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Company lists · Data refreshed September 2026

Top 25 Legal consulting firms based in the United States

Compiled by the RevenueBase Data Team Data refreshed Sep 4, 2026 8,446 companies tracked

RevenueBase identified 8,446 legal consulting firms headquartered in the United States as of September 2026 and tracks 220,270 professional contacts across them, including 117,904 with verified work emails and 117,119 with mobile numbers. New York is the largest hub.

This list covers legal consulting 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 4, 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 Match evidence on every row Refreshed Sep 4, 2026 86% judged on-target in blind review
8,446Companies
220,270Contacts tracked
117,904Verified emails
117,119Mobile numbers
Unlock all 8,446 companies Free signup · no credit card · 500 free credits

The 25 largest legal consulting firms based in the United States

Ranked by team size
Top 25 of 8,446 legal consulting firms based in the United States, ranked by team size, largest first. Data refreshed Sep 4, 2026. Evidence rates how directly each company's own description names legal consulting 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.
#CompanyHeadquartersEmployeesContacts
1
Cooley LLPIndirect evidence
Palo Alto, CA, United StatesHQ checked Sep 4, 20261,001-5,0003,314

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

Source: company website · checked Sep 4, 2026
2
Despacho DE AbogadosIndirect evidence
Los Angeles, CA, United StatesHQ checked Sep 4, 20261,001-5,0003,244

“The Gold Group is a top producing team within Keller Williams Beverly Hills family.”

Source: company website · checked Sep 4, 2026
3
Gordon Rees Scully Mansukhani, LLPIndirect evidence
San Francisco, CA, United StatesHQ checked Sep 4, 20261,001-5,0002,807

“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 4, 2026
4
Perkins CoieIndirect evidence
Seattle, WI, United StatesHQ checked Sep 4, 20261,001-5,0002,734

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

Source: company website · checked Sep 4, 2026
5
Morrison FoersterIndirect evidence
San Francisco, DC, United StatesHQ checked Sep 4, 20261,001-5,0002,660

“Morrison Foerster transforms complexity into advantage.”

Source: company website · checked Sep 4, 2026
6
Husch BlackwellIndirect evidence
20+ U.s. Offices, TX, United StatesHQ checked Sep 4, 20261,001-5,0002,516

“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 4, 2026
7
Arnold & PorterIndirect evidence
Washington, DC, United StatesHQ checked Sep 4, 20261,001-5,0002,324

“Arnold & Porter combines sophisticated regulatory, litigation, and transactional capabilities to resolve clients’ most complex issues.”

Source: company website · checked Sep 4, 2026
8
Winston & Strawn LLPIndirect evidence
Chicago, IL, United StatesHQ checked Sep 4, 20261,001-5,0002,197

“On June 1, 2026, Winston & Strawn and Taylor Wessing’s U.K-led business officially launched as a single combined firm, creating Winston Taylor.”

Source: company website · checked Sep 4, 2026
9
Seyfarth Shaw LLPIndirect evidence
Chicago, NC, United StatesHQ checked Sep 4, 20261,001-5,0002,176

“High stakes.”

Source: company website · checked Sep 4, 2026
10
PolsinelliIndirect evidence
Kansas City, MO, United States1,001-5,0002,084

“Polsinelli is an Am Law 100 firm with more than 1,200 attorneys in over 25 offices nationwide.”

Source: company website · checked Sep 4, 2026
11
Dechert LLPIndirect evidence
Philadelphia, PA, United StatesHQ checked Sep 4, 20261,001-5,0002,056

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

Source: company website · checked Sep 4, 2026
12
Nelson Mullins Riley & ScarboroughIndirect evidence
Columbia, SC, United StatesHQ checked Sep 4, 20261,001-5,0002,036

“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: company website · checked Sep 4, 2026
13
Taft Stettinius & Hollister LLPIndirect evidence
Cincinnati, IN, United StatesHQ checked Sep 4, 20261,001-5,0001,963

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

Source: company website · checked Sep 4, 2026
14
Pillsbury Winthrop Shaw Pittman LLPIndirect evidence
New York, NY, United StatesHQ checked Sep 4, 20261,001-5,0001,935

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

Source: company website · checked Sep 4, 2026
15
Debevoise & PlimptonIndirect evidence
New York, NY, United StatesHQ checked Sep 4, 20261,001-5,0001,885

“Debevoise & Plimpton LLP is a premier law firm with market-leading practices, a global perspective and strong New York roots.”

Source: company website · checked Sep 4, 2026
16
Faegre DrinkerIndirect evidence
Global, AZ, United StatesHQ checked Sep 4, 20261,001-5,0001,827

“Faegre Drinker is a firm designed for clients.”

Source: company website · checked Sep 4, 2026
17
Venable LLPPartial evidence
Washington, DC, United StatesHQ checked Sep 4, 20261,001-5,0001,791

“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: company website · checked Sep 4, 2026
18
Ballard Spahr LLPIndirect evidence
Philadelphia, DC, United StatesHQ checked Sep 4, 20261,001-5,0001,720

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

Source: company website · checked Sep 4, 2026
19
Dinsmore & Shohl LLPIndirect evidence
Cincinnati, OH, United StatesHQ checked Sep 4, 20261,001-5,0001,709

“Dinsmore & Shohl LLP has a nationwide team of more than 750 attorneys who are trusted advisers to Fortune 500 companies, institutions, associations, governments, professional…”

Source: company website · checked Sep 4, 2026
20
Crowell & MoringIndirect evidence
Washington, IL, United StatesHQ checked Sep 4, 20261,001-5,0001,626

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

Source: company website · checked Sep 4, 2026
21
Haynes And Boone, LLPIndirect evidence
Dallas, TX, United StatesHQ checked Sep 4, 20261,001-5,0001,563

“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: company website · checked Sep 4, 2026
22
Katten Muchin Rosenman LLPIndirect evidence
Chicago, CA, United StatesHQ checked Sep 4, 20261,001-5,0001,493

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

Source: company website · checked Sep 4, 2026
23
Clark Hill LAWIndirect evidence
Detroit, MI, United StatesHQ checked Sep 4, 20261,001-5,0001,355

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

Source: company website · checked Sep 4, 2026
24
Quarles & Brady LLPPartial evidence
Milwaukee, WI, United StatesHQ checked Sep 4, 20261,001-5,0001,333

“For over 125 years, Quarles & Brady LLP has provided quality legal services to a wide range of industries on a national stage.”

Source: company website · checked Sep 4, 2026
25
Snell & WilmerIndirect evidence
Phoenix, CA, United StatesHQ checked Sep 4, 2026501-1,0001,233

“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: company website · checked Sep 4, 2026

Showing 25 of 8,446 legal consulting firms based in the United States

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Legal consulting firms based in the United States at a glance

As of Sep 4, 2026
1-10Median size (employees)
New YorkLargest hub · 589 HQs
117,119Contacts with mobile numbers
Sep 4, 2026Data refreshed

Companies by employee count

1-10
5,517
11-50
2,077
51-200
587
201-500
129
501-1,000
64
1,001-5,000
46
10001+
2

Verified emails by last verification

0–30
0
31–60
10,293
61–90
62,595
90–180
44,485
180+
531

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 consulting 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 “legal consulting 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 legal consulting 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, 117,904 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 4, 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 consulting firms by metro

Frequently asked

How many legal consulting firms are there based in the United States?

RevenueBase identified 8,446 legal consulting 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?

Cooley LLP, headquartered in Palo Alto, tops this list with the largest team on record.

Which city has the most legal consulting firms?

New York leads with 589 headquartered companies, followed by Chicago (247) and Los Angeles (227).

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 117,904 verified decision-maker contacts tracked across these 8,446 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 4, 2026.

Ready to reach these companies? Verified emails and direct dials for all 8,446 legal consulting firms based in the United States. Start with a free account, no credit card.

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Related lists

Browse: Companies home · All United States lists · All Legal consulting firms lists · New lists

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.

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