Contact number
+1 212 455 2000Chambers Review
As a top-tier New York practice, Simpson Thacher & Bartlett is regularly sought out by major private equity firms and global corporations as a go-to firm for advice on international transactional mandates. Primarily handling high-end corporate/M&A deals as well as sophisticated fund formation, financing and cross-border tax matters.
The firm's New York office acts as the main hub of its global work and is known for its representation of an elite clientele on high-end work. It frequently coordinates cross-border work with the firm's other international offices across Europe, Latin America and Asia and with carefully chosen independent co-counsel from other jurisdictions, which significantly bolsters its capabilities in multi-jurisdictional M&A.
The firm is a fine choice for complex transactions in Latin America. David Williams is based in New York and a key contact.
Notable Practitioners
![Alan M. Klein](https://assets-cdn.chambers.com/cdn-cgi/image/format=auto,fit=scale-down/https://media.chambers.com/individuals/3255858/ee3d86b6-859e-43b2-be3b-eb34609048e7/profile.png)
Alan Klein specialises in assisting clients with high-value M&A, among other matters. He is active in a number of industries, with particular acclaim reserved for his handling of technology transactions.
![Mario Ponce](https://assets-cdn.chambers.com/cdn-cgi/image/format=auto,fit=scale-down/https://media.chambers.com/individuals/3155657/01d94229-9a9e-4b7f-a59b-e734d53a16d6/profile.png)
Mario Ponce concentrates on advising corporates, investment banks and private equity firms on a range of transactions. His broad industry expertise includes handling deals in the consumer products, technology and energy spaces.
Ranked Lawyers at
Simpson Thacher & Bartlett LLP
USA
![Alan M. Klein](https://assets-cdn.chambers.com/cdn-cgi/image/format=auto,fit=scale-down/https://media.chambers.com/individuals/3255858/ee3d86b6-859e-43b2-be3b-eb34609048e7/profile.png)
![Mario Ponce](https://assets-cdn.chambers.com/cdn-cgi/image/format=auto,fit=scale-down/https://media.chambers.com/individuals/3155657/01d94229-9a9e-4b7f-a59b-e734d53a16d6/profile.png)