Company lists · Data refreshed September 2026

Top 25 Financial services law firms based in the United States

RevenueBase identified 4,711 financial services law firms headquartered in the United States as of September 2026 and tracks 212,973 professional contacts across them, including 118,437 with verified work emails and 109,958 with mobile numbers. New York is the largest hub.

This list covers financial services 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 2, 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 2, 2026 86% judged on-target in blind review
4,711Companies
212,973Contacts tracked
118,437Verified emails
109,958Mobile numbers
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The 25 largest financial services law firms based in the United States

Ranked by team size
Top 25 of 4,711 financial services law firms based in the United States, ranked by team size, largest first. Data refreshed Sep 2, 2026. Evidence rates how directly each company's own description names financial services 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.
#CompanyHeadquartersEmployeesContacts
1
Norton Rose FulbrightPartial evidence
St Louis, MO, United States5,001-10,0008,594

“Norton Rose Fulbright provides a full scope of legal services to the world’s preeminent corporations and financial institutions.”

Source: company website · checked Sep 2, 2026
2
Kirkland & EllisPartial evidence
Dallas, TX, United States5,001-10,0008,319

“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 2, 2026
3
K&l GatesIndirect evidence
Miami, FL, United States1,001-5,0004,851

“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 2, 2026
4
Mayer BrownStrong evidence
Houston, TX, United States1,001-5,0004,209

“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 2, 2026
5
Cooley LLPIndirect evidence
Palo Alto, CA, United States1,001-5,0003,314

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

Source: company website · checked Sep 2, 2026
6
Paul HastingsIndirect evidence
San Francisco, CA, United States1,001-5,0003,028

“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 2, 2026
7
Davis Polk & Wardwell LLPPartial evidence
New York, NY, United States1,001-5,0002,764

“Davis Polk & Wardwell LLP (including its associated entities) is an elite global law firm with world-class practices across the board.”

Source: company website · checked Sep 2, 2026
8
Perkins CoieIndirect evidence
Madison, WI, United States1,001-5,0002,734

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

Source: company website · checked Sep 2, 2026
9
Morrison FoersterIndirect evidence
Washington, DC, United States1,001-5,0002,660

“Morrison Foerster transforms complexity into advantage.”

Source: company website · checked Sep 2, 2026
10New York, NY, United States1,001-5,0002,652

“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 2, 2026
11
Husch BlackwellPartial evidence
Houston, TX, United States1,001-5,0002,516

“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 2, 2026
12
Arnold & PorterIndirect evidence
Washington, DC, United States1,001-5,0002,324

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

Source: company website · checked Sep 2, 2026
13
Winston & Strawn LLPIndirect evidence
Chicago, IL, United States1,001-5,0002,197

“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 2, 2026
14
Sullivan & Cromwell LLPIndirect evidence
Los Angeles, CA, United States1,001-5,0002,181

“Sullivan & Cromwell LLP provides the highest quality legal advice and representation to clients around the world.”

Source: company website · checked Sep 2, 2026
15
BakerhostetlerPartial evidence
Denver, CO, United States1,001-5,0002,097

“Recognized as one of the top firms for client service and quality of legal services, BakerHostetler is a leading law firm that helps clients around the world address their most…”

Source: company website · checked Sep 2, 2026
16
Proskauer Rose LLPPartial evidence
New York, NY, United States1,001-5,0002,091

“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 2, 2026
17
Dechert LLPPartial evidence
Philadelphia, PA, United States1,001-5,0002,056

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

Source: company website · checked Sep 2, 2026
18Columbia, SC, United States1,001-5,0002,036

“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 2, 2026
19New York, NY, United States1,001-5,0001,935

“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 2, 2026
20
Troutman Pepper Locke LLPIndirect evidence
United States1,001-5,0001,867

“Troutman Pepper Locke LLP helps clients solve complex legal challenges and achieve their business goals in an ever-changing global economy.”

Source: company website · checked Sep 2, 2026
21
Venable LLPPartial evidence
Washington, DC, United States1,001-5,0001,791

“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 2, 2026
22
Ballard Spahr LLPPartial evidence
Washington D.C., DC, United States1,001-5,0001,720

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

Source: company website · checked Sep 2, 2026
23
O'melveny & Myers LLPIndirect evidence
Houston, TX, United States1,001-5,0001,639

“It’s more than what you do: it’s how you do it.”

Source: company website · checked Sep 2, 2026
24
Dorsey & Whitney LLPPartial evidence
New York, NY, United States1,001-5,0001,595

“Clients have relied on the international law firm of Dorsey & Whitney LLP since 1912 as a trusted legal advisor and valued business partner.”

Source: company website · checked Sep 2, 2026
25
Haynes And Boone, LLPStrong evidence
The Woodlands, TX, United States1,001-5,0001,563

“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 2, 2026

Showing 25 of 4,711 financial services law firms based in the United States

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Financial services law firms based in the United States at a glance

As of Sep 2, 2026
1-10Median size (employees)
New YorkLargest hub · 352 HQs
109,958Contacts with mobile numbers
Sep 2, 2026Data refreshed

Companies by employee count

1-10
2,590
11-50
1,375
51-200
479
201-500
123
501-1,000
59
1,001-5,000
46
5,001-10,000
3

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 financial services 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 “financial services 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 financial services 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, 118,437 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 2, 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.

Financial services law firms by metro

  • Financial services law firms in New York352
  • Financial services law firms in Chicago137
  • Financial services law firms in Los Angeles114
  • Financial services law firms in Dallas98
  • Financial services law firms in Houston91
  • Financial services law firms in Washington83
  • Financial services law firms in Atlanta79
  • Financial services law firms in Miami79

Frequently asked

How many financial services law firms are there based in the United States?

RevenueBase identified 4,711 financial services 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?

Norton Rose Fulbright, headquartered in St Louis, tops this list with the largest team on record.

Which city has the most financial services law firms?

New York leads with 352 headquartered companies, followed by Chicago (137) and Los Angeles (114).

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 118,437 verified decision-maker contacts tracked across these 4,711 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 2, 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.