Company lists · Data refreshed September 2026
Top 25 Investment management law firms based in the United States
RevenueBase identified 11,085 investment management law firms headquartered in the United States as of September 2026 and tracks 248,301 professional contacts across them, including 127,015 with verified work emails and 121,761 with mobile numbers. New York is the largest hub.
This list covers investment management 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 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.
The 25 largest investment management law firms based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 32,861 | ||||
“Founded in 1914, Merrill is one of the largest wealth management businesses in the world.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 2 | 8,319 | ||||
“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 4, 2026Thanks. The Data Team will review it. | |||||
| 3 | 4,833 | ||||
“At J.P.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 4 | 4,209 | ||||
“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 4, 2026Thanks. The Data Team will review it. | |||||
| 5 | 3,028 | ||||
“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 4, 2026Thanks. The Data Team will review it. | |||||
| 6 | Neuberger BermanPartial evidence | 2,689 | |||
“Neuberger Berman is an employee-owned, private, independent investment manager founded in 1939 with 2,800 employees in 26 countries.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 7 | 2,660 | ||||
“Morrison Foerster transforms complexity into advantage.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 8 | 2,652 | ||||
“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 4, 2026Thanks. The Data Team will review it. | |||||
| 9 | 2,324 | ||||
“Arnold & Porter combines sophisticated regulatory, litigation, and transactional capabilities to resolve clients’ most complex issues.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 10 | Proskauer Rose LLPIndirect evidence | 2,091 | |||
“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 4, 2026Thanks. The Data Team will review it. | |||||
| 11 | 2,056 | ||||
“Dechert is the law firm that helps business leaders lead.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 12 | 2,036 | ||||
“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, 2026Thanks. The Data Team will review it. | |||||
| 13 | 1,851 | ||||
“Independent wealth advisory firm Creative Planning and its affiliates manage and advise on 710 billion in combined assets and serve clients in all 50 states and abroad.* At…” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 14 | 1,791 | ||||
“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, 2026Thanks. The Data Team will review it. | |||||
| 15 | 1,742 | ||||
“Federated Hermes, Inc.(FHI) is one of the nation's largest investment managers offering equity, international, fixed income, alternative and money market strategies.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 16 | 1,720 | ||||
“Ballard Spahr LLP, an Am Law 100 law firm with more than 750 lawyers in 19 U.S.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 17 | 1,634 | ||||
“At Rockefeller Capital Management, we aspire to bring the unique promise of the Rockefeller legacy together with a culture of innovation and cutting-edge technology to help…” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 18 | 1,493 | ||||
“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, 2026Thanks. The Data Team will review it. | |||||
| 19 | Mercer AdvisorsIndirect evidence | 1,417 | |||
“Are you looking to amplify and simplify your financial life?” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 20 | 1,355 | ||||
“At Clark Hill, our value proposition is simple.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 21 | 1,333 | ||||
“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, 2026Thanks. The Data Team will review it. | |||||
| 22 | 1,238 | ||||
“Focus is an organization of wealth, asset, and business management resources that brings strength, innovation, and partnership to client relationships.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 23 | 1,193 | ||||
“Hinshaw & Culbertson LLP is a U.S-based law firm with offices nationwide.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 24 | Lord AbbettIndirect evidence | 1,181 | |||
“Our Vision We aspire to be the most respected asset manager in the world, admired for our people, our performance, our relationships, and our organizational agility.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 25 | 1,170 | ||||
“Stinson LLP collaborates with clients ranging from individuals and privately held enterprises to national companies and international public corporations.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
Showing 25 of 11,085 investment management law firms based in the United States
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Investment management law firms based in the United States at a glance
As of Sep 4, 2026Companies by employee count
Verified emails by last verification
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 investment management 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 “investment management 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 investment management 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, 127,015 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.
Investment management law firms by metro
- Investment management law firms in New York747
- Investment management law firms in Chicago258
- Investment management law firms in Atlanta186
- Investment management law firms in Miami186
- Investment management law firms in Dallas183
- Investment management law firms in Houston170
- Investment management law firms in Los Angeles166
- Investment management law firms in Boston162
- Investment management law firms in San Diego136
- Investment management law firms in Austin126
- Investment management law firms in San Francisco126
- Investment management law firms in Washington118
- Investment management law firms in Denver106
- Investment management law firms in Tampa81
- Investment management law firms in Portland75
- Investment management law firms in Irvine73
- Investment management law firms in Newport Beach73
- Investment management law firms in Scottsdale73
- Investment management law firms in Charlotte70
- Investment management law firms in Seattle67
- Investment management law firms in Coral Gables59
- Investment management law firms in Minneapolis57
- Investment management law firms in Phoenix56
- Investment management law firms in Boca Raton53
- Investment management law firms in Indianapolis53
- Investment management law firms in Las Vegas52
- Investment management law firms in Birmingham51
- Investment management law firms in Columbus51
- Investment management law firms in Wilmington48
- Investment management law firms in Pittsburgh47
- Investment management law firms in Philadelphia44
- Investment management law firms in Nashville43
- Investment management law firms in Raleigh42
- Investment management law firms in Fort Lauderdale41
- Investment management law firms in Naples40
- Investment management law firms in San Antonio40
- Investment management law firms in Cincinnati39
- Investment management law firms in Orlando38
- Investment management law firms in Columbia36
- Investment management law firms in Jacksonville36
- Investment management law firms in Salt Lake City36
- Investment management law firms in Omaha35
- Investment management law firms in Overland Park33
- Investment management law firms in Milwaukee32
- Investment management law firms in Richmond32
- Investment management law firms in Springfield32
- Investment management law firms in Cleveland31
- Investment management law firms in Grand Rapids31
- Investment management law firms in Greenville31
- Investment management law firms in New Orleans31
- Investment management law firms in Rochester31
- Investment management law firms in Beverly Hills29
- Investment management law firms in Colorado Springs29
- Investment management law firms in Fort Worth29
- Investment management law firms in Pasadena29
- Investment management law firms in Providence29
- Investment management law firms in Sacramento29
- Investment management law firms in Walnut Creek29
- Investment management law firms in White Plains29
- Investment management law firms in Baltimore28
- Investment management law firms in Sarasota28
- Investment management law firms in Tulsa28
- Investment management law firms in Bellevue27
- Investment management law firms in Buffalo27
- Investment management law firms in Greenwood Village27
- Investment management law firms in Lexington27
- Investment management law firms in Louisville27
- Investment management law firms in Bethesda26
- Investment management law firms in Madison26
- Investment management law firms in Alpharetta25
- Investment management law firms in Greensboro25
- Investment management law firms in Lafayette25
Frequently asked
How many investment management law firms are there based in the United States?
RevenueBase identified 11,085 investment management 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?
Merrill Lynch, headquartered in New York, tops this list with the largest team on record.
Which city has the most investment management law firms?
New York leads with 747 headquartered companies, followed by Chicago (258) and Atlanta (186).
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 127,015 verified decision-maker contacts tracked across these 11,085 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.
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Investment management law firms by geography
- Investment management law firms based in Brazil
- Investment management law firms based in France
- Investment management law firms based in the United Kingdom
- Investment management law firms based in Canada
- Investment management law firms based in Spain
- Investment management law firms based in Germany
- Investment management law firms based in Australia
- Investment management law firms based in Switzerland
- Investment management law firms based in Mexico
- Investment management law firms based in Italy
- Investment management law firms based in South Africa
- Investment management law firms based in Poland
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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.
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- Investment management law firms based in Brazil
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- Investment management law firms based in Canada
- Investment management law firms based in Spain
- Investment management law firms based in Germany