About Simpson Thacher & Bartlett LLP
Simpson Thacher & Bartlett LLP is an international law firm headquartered in New York City, with additional offices in Asia, Europe, Latin America and several U.S. cities. The firm was established in 1884 and reports approximately 2,000 lawyers. Its work covers corporations, financial institutions, investment funds and asset managers, and the firm presents its services as coordinated legal advice and transactional capability across its offices.
The firm's New York office at 425 Lexington Avenue serves as its headquarters. The firm's website describes its New York practice as spanning mergers and acquisitions, banking and credit, capital markets, private and registered funds, real estate, restructuring, tax, employee benefits, complex commercial litigation, and government and internal investigations. Third-party directories also list practice areas in antitrust, environmental, insurance, intellectual property, and labor and employment.
| Type | Law firm |
|---|---|
| New York offices | New York |
| Phone | 212-455-2000 |
| Website | stblaw.com |
| Registered NY attorneys | 1,028 |
Practice areas
Areas of work that Simpson Thacher & Bartlett LLP describes on its own website. They describe the organization as a whole, not the practice of any individual attorney listed below.
Organization profile based on its official website and public sources (reviewed October 29, 2026). Attorney list from the New York State Unified Court System registration data. Not affiliated with Simpson Thacher & Bartlett LLP.
Registered attorneys
Mark Koh Suspended Jingbo Ma Suspended Thomas Lewyn Currently registered L Huck Currently registered Joel Hoffman Currently registered Charles Cogut Currently registered George Krouse Currently registered Paul Ford Currently registered John Ohlweiler Currently registered Joseph Feit Currently registeredRegistration status can change at any time. Confirm any attorney's current status through the official New York Attorney Search.