Private company

Simpson Thacher & Bartlett

Logo: Simpson Thacher & Bartlett, Public domain, via Wikimedia Commons3

Law firm based in New York City

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.2 It was founded by John Woodruff Simpson and Thomas Thacher.1 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

1884Founded1
  • HeadquartersNew York City1
  • Founded inNew York City1
  • Websitewww.stblaw.com
  • Legal formsocietà a responsabilità limitata1

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.2

The story

Founded by John Woodruff Simpson and Thomas Thacher in 1884, in New York City.1

Leadership

Who has led Simpson Thacher & Bartlett, and when. Pick a name to see everywhere that person has worked.

Timeline

  1. 1884Founded Founded in New York City1

Sources

The numbers on this page point here. Each one links to the record it came from.

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