Simpson Thacher & Bartlett

Simpson Thacher & Bartlett LLP
Headquarters425 Lexington Avenue
New York City
No. of offices13
No. of attorneys1,500
Major practice areasGeneral practice: corporate, litigation and regulatory advice
Key peopleAlden Millard, Executive Committee Chairman
Revenue US$2.9 billion (2024)
Date founded1884 (1884)
Founder
Company typeLimited liability partnership
Websitewww.stblaw.com

Simpson Thacher & Bartlett LLP is a white-shoe law firm headquartered in New York City. The firm specializes in litigation and corporate practices, particularly mergers and acquisitions and private equity, with approximately 1,500 attorneys in 13 offices worldwide.