About Sullivan & Cromwell LLP
Sullivan & Cromwell LLP is organized as a limited liability partnership under New York law. It was founded in 1879 by Algernon Sydney Sullivan and William Nelson Cromwell. The firm's own site describes a network of 14 offices, located in leading financial centers in Asia, Australia, Europe, the Middle East and the United States.
The firm's website presents its work as spanning corporate deals, investigations, restructuring, regulatory, tax and estate planning matters (Sullivan & Cromwell is a global law firm that advises on corporate transactions and investigations). Its litigation group handles white collar crime and government investigations, general commercial litigation, corporate crime and investigations, and securities litigation. The Washington, D.C. office focuses on litigation, corporate law and finance, financial services and investment, trade practices and tax controversy.
| Type | Law firm |
|---|---|
| New York offices | New York |
| Phone | +1-212-558-4000 |
| Website | sullcrom.com |
| Registered NY attorneys | 621 |
Practice areas
Areas of work that Sullivan & Cromwell 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 Sullivan & Cromwell LLP.
Registered attorneys
Carter Mackley Suspended Alvaro Aguirre Suspended Chidi Ogene Suspended Peter Tseng Suspended Jose Layug Suspended Robin Mahood Suspended Bruce Clark Currently registered Donald Christ Currently registered James Black Currently registered John Baumgardner Currently registeredRegistration status can change at any time. Confirm any attorney's current status through the official New York Attorney Search.