Simpson Thacher & Bartlett Overview

  • Service
  • Law Firm

  • Year Founded
  • 1884

Year Founded

  • Employees
  • 3,062

Employees

  • Serviced Companies
  • 1,343

  • Serviced Deals
  • 1,702

  • Serviced Investors
  • 782

Simpson Thacher & Bartlett General Information

Description

Founded in 1884, Simpson Thacher & Bartlett is a law firm headquartered in New York City, New York. The firm advises on mergers, acquisitions, private placement, joint ventures, private equity, venture capital transactions, and initial public offerings. The firm caters to the healthcare, education, real estate, energy, food, beverages, apparel, manufacturing, medical products, and infrastructure sectors.

Contact Information

Website
www.stblaw.com
Year Founded
1884
Service Provider Type
Law Firm
Corporate Office
  • 425 Lexington Avenue
  • New York, NY 10017
  • United States
+1 (212)

Simpson Thacher & Bartlett Services to Companies

Service on a Deal (1,714)

Simpson Thacher & Bartlett has provided services on 1714 deals. It last acted as a legal advisor to New Fortress Energy (LNG Assets In Jamaica) on a made for . The deal was made in 2025.

Company Name Service Provided Deal Date Deal Type Deal Amount
New Fortress Energy (LNG Assets In Jamaica) Legal Advisor May 2025
New Fortress Energy (Montego Bay LNG Terminal) Legal Advisor May 2025
Waystar Health Legal Advisor May 2025
Hub International Legal Advisor May 2025
Matterhorn Express Pipeline Legal Advisor May 2025
Arauco Legal Advisor Apr 2025
Beacon Roofing Supply Legal Advisor Apr 2025
Mitsubishi UFJ Financial Group Legal Advisor Apr 2025
Keysight Technologies Legal Advisor Apr 2025
Weight Watchers Legal Advisor Apr 2025
You’re viewing 10 of 1,714 services to companies. Get the full list »

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Simpson Thacher & Bartlett Services to Investors

Service on a Deal — Buy Side (1,990)

Simpson Thacher & Bartlett has provided buy side services on 1990 deals. It last acted as a legal advisor to Corsair Capital on a . The deal was made in 2025.

Investor Name Service Provided Deal Date Deal Type Deal Amount
Corsair Capital Legal Advisor May 2025
Blackstone Legal Advisor May 2025
Corsair Capital Legal Advisor May 2025
Public Sector Pension Investment Board Legal Advisor May 2025
Blackstone Legal Advisor Apr 2025
Monex Group Legal Advisor Apr 2025
Stone Point Capital Legal Advisor Apr 2025
Baker Tilly (Chicago) Legal Advisor Apr 2025
Stonepeak Partners Legal Advisor Apr 2025
New Mountain Capital Legal Advisor Apr 2025
You’re viewing 10 of 1,990 services on a deal — buy side. Get the full list »

Service on a Deal — Sell Side (459)

Simpson Thacher & Bartlett has provided sell side services on 459 deals. It last acted as a legal advisor to Corsair Capital on a . The deal was made in 2025.

Investor Name Service Provided Deal Date Deal Type Deal Amount
Corsair Capital Legal Advisor May 2025
Corsair Capital Legal Advisor May 2025
Blackstone Legal Advisor May 2025
Blackstone Legal Advisor May 2025
Blackstone Legal Advisor May 2025
Riverwood Capital Legal Advisor May 2025
Blackstone Legal Advisor Apr 2025
Orbcomm Legal Advisor Apr 2025
CBRE Acquisition Holdings Legal Advisor Apr 2025
Intel Legal Advisor Apr 2025
You’re viewing 10 of 459 services on a deal — sell side. Get the full list »

Simpson Thacher & Bartlett Investment Preferences

Preferred Industries Preferred Verticals Preferred Deal Types Geographic Preferences Transaction Amount

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Simpson Thacher & Bartlett Affiliates

Subsidiaries (2)

Name Industry Location Year Founded
Cash Balance Plan For Partners & Sr. Staff of STB New York, NY 2011
Retirement Plan for Non Legal Employees of STB New York, NY 1962

Simpson Thacher & Bartlett FAQs

  • When was Simpson Thacher & Bartlett founded?

    Simpson Thacher & Bartlett was founded in 1884.

  • Where is Simpson Thacher & Bartlett headquartered?

    Simpson Thacher & Bartlett is headquartered in New York, NY.

  • What is the size of Simpson Thacher & Bartlett?

    Simpson Thacher & Bartlett total number of employees/professionals is 3,062.

  • What service provider type is Simpson Thacher & Bartlett?

    Simpson Thacher & Bartlett's service provider type is Law Firm.

  • What are Simpson Thacher & Bartlett subsidiaries?

    Cash Balance Plan For Partners & Sr. Staff of STB and Retirement Plan for Non Legal Employees of STB are subsidiaries of Simpson Thacher & Bartlett.

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