Explore comprehensive profiles of the worlds leading law firms — from global powerhouses to standout regional specialists.


Private Equity
Corporate
Private Funds
Litigation
Capital Markets
Mergers and Acquisitions
Simpson Thacher & Bartlett LLP stands as one of the world's most respected law firms, built on a core commitment to driving client success. Since its founding in 1884, the firm has been sought after by major organizations worldwide for innovative solutions to complex commercial challenges. With approximately 2,000 lawyers across 13 global offices, Simpson Thacher leverages extensive collective experience to serve each client effectively. The firm's approach is centered on understanding business objectives, allowing its teams to share insights across practices and regions, and aiding clients in mitigating risks and capitalizing on opportunities. The firm's dedicated lawyers, many of whom have longstanding careers within the firm, collaborate closely with clients from a range of sectors, serving both leading global corporations and pioneering startups. Consistently ranked highly by numerous publications, the firm remains a trusted advisor in the legal industry.
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425 Lexington Avenue, New York, NY 10017
+12124552000
Key People
12 Offices in 9 countries
Headquarters
New York
425 Lexington Avenue, New York, NY 10017
425 Lexington Avenue, New York, NY 10017
+12124552000
Lawyers: 1012
Partners: 245
London
CityPoint, One Ropemaker Street, London EC2Y 9HU, United Kingdom
CityPoint, One Ropemaker Street, London EC2Y 9HU, United Kingdom
+442072756500
Lawyers: 331
Partners: 82
Washington
900 G Street, NW, Washington, D.C. 20001
900 G Street, NW, Washington, D.C. 20001
+12026365500
Lawyers: 188
Partners: 58
Palo Alto
2475 Hanover Street, Palo Alto, CA 94304
2475 Hanover Street, Palo Alto, CA 94304
+16502515000
Lawyers: 105
Partners: 20
Houston
600 Travis Street, Suite 5400, Houston, TX 77002
600 Travis Street, Suite 5400, Houston, TX 77002
+17138215650
Lawyers: 90
Partners: 26
Los Angeles
1999 Avenue of the Stars – 29th Floor, Los Angeles, CA 90067
1999 Avenue of the Stars – 29th Floor, Los Angeles, CA 90067
+13104077500
Lawyers: 81
Partners: 16
Hong Kong
ICBC Tower - 35th Floor, 3 Garden Road, Central, Hong Kong
ICBC Tower - 35th Floor, 3 Garden Road, Central, Hong Kong
+85225147600
Lawyers: 76
Partners: 18
Boston
855 Boylston Street, 9th Floor, Boston, MA 02116
855 Boylston Street, 9th Floor, Boston, MA 02116
+16177789200
Lawyers: 37
Partners: 11
Tokyo
Ark Hills Sengokuyama Mori Tower, 41st Floor, 9-10, Roppongi 1-Chome, Minato-Ku, Tokyo 106-0032, Japan
Ark Hills Sengokuyama Mori Tower, 41st Floor, 9-10, Roppongi 1-Chome, Minato-Ku, Tokyo 106-0032, Japan
+81355626200
Lawyers: 31
Partners: 7
Revenue
Profit per Equity Partner
Revenue per Lawyer
Associates
Partners
Counsels
The Sponsor’s proprietary ranking technology brings together verified data from Chambers and Legal 500 with advanced AI-driven analysis to create a dynamic, unified The Sponsor’s proprietary ranking technology brings together verified data from Chambers and Legal 500 with advanced AI-driven analysis to create a dynamic, unified
$1 Billion and above
USA, Nationwide
$1 Billion and above
USA, New York
$1 Billion and above
USA, Nationwide
Below $1 Billion
USA, Nationwide
$1 Billion and above
USA, New York
Below $1 Billion
USA, New York
$1 Billion and above
USA, New York
Below $1 Billion
USA, New York
Below $1 Billion
USA, New York
Below $1 Billion
USA, Nationwide
136 lawyer moves over the past year

08 Dec 2025
Mergers and Acquisitions' 'Private Equity' 'Carve-outs' 'Joint Ventures
Left:
As Partner

Joined:
As Partner

18 Nov 2025
Investment Funds' 'Private Equity' 'Private Credit' 'Real Estate

Left:
As Partner

Joined:
As Partner

02 Oct 2025
Registered Funds' 'Real Estate' 'Capital Markets

Left:
As Partner

Joined:
As Partner

01 Oct 2025
Banking' 'Credit' 'Debt Finance
Left:
As Partner

Joined:
As Partner

01 Oct 2025
M&A' 'Shareholder Engagement' 'Activism Defense' 'Corporate Governance
Left:
As Partner

Joined:
As Partner

21 May 2025
Project Finance' 'Energy' 'Infrastructure Finance' 'Banking and Credit

Left:
As Partner

Joined:
As Partner

06 Apr 2025
Secondaries' 'Private Funds' 'Fund Recapitalizations' 'Co-Investments

Left:
As Partner

Joined:
As Partner

31 Mar 2025
M&A' 'Private Equity' 'Financial Services' 'FinTech
Left:
As Partner

Joined:
As Partner

31 Mar 2025
M&A' 'Corporate Governance' 'Life Sciences' 'Technology
Left:
As Partner

Joined:
As Partner
1180 Associates, 495 Partners, 201 Counsels across 8 countries:

Qualified in England & Wales (UK), 2014
Partner for 1 year
Corporate
Banking and Credit
Acquisition Finance
Project Finance
Infrastructure
United Kingdom of Great Britain

Qualified in New York (US), 2024
Real Estate
United States of America (HQ)

Qualified in California (US), 2024
Capital Markets
Corporate
United States of America

Qualified in England & Wales (UK), 2012
Partner for 2 years
Real Estate Finance
Private Equity
Corporate
Banking and Credit
United Kingdom of Great Britain

Qualified in New York (US), 1991
Partner for 24 years
Bankruptcy Litigation
Complex Commercial Litigation
Securities Litigation
Restructuring
Private Equity
International Disputes and Arbitration
United States of America (HQ)

Qualified in New South Wales (Australia) & New Zealand & New York (US), 2017
Partner
Corporate M&A
Private Equity
United States of America (HQ)

Qualified in Washington DC (US) & Pennsylvania (US), 2023
Corporate
Investment Funds
United States of America

Qualified in England & Wales (UK), 2018
Corporate
United Kingdom of Great Britain

Qualified in New York (US), 2023
Litigation
Corporate
United States of America (HQ)

Qualified in England & Wales (UK), 2022
Asset Management Regulatory and Enforcement
Corporate
United Kingdom of Great Britain