Cementing its status as a market leader in the M&A space, Simpson Thacher & Bartlett LLP has ample experience in the structuring, negotiation, and completion of complex and high-value transactions. With involvement in major deals such as Microsoft’s $75bn acquisition of Activision Blizzard, the New York-based practice routinely represents clients in the infrastructure, tech, and consumer products sectors. Department head Eric Swedenburg counsels clients on various M&A mandates, divestitures, and joint ventures. Anthony Vernace is well-versed in representing private equity firms in M&A, investments, and other significant corporate transactions, while the experienced Lee Meyerson assists elite financial and investment firms on complex mergers. Alan Klein is reputed for his work in guiding boards of directors through high-profile acquisitions. Justin Rosenberg left the firm in April 2024.
Legal 500 Editorial commentary
- Profile
Key clients
- Allen & Overy
- American Electric Power Company
- Apria
- Ascensus
- Avalara
- BellRing Brands
- Bentley Systems
- BlackRock
- Bright Health Group
- CB Richard Ellis Services
Work highlights
- Representing Paramount Global in its $28bn proposed merger with Skydance Media.
- Represented Cisco Systems in its $28bn acquisition of Splunk.
- Represented Microsoft in its announced $1.5bn investment in G42.
Lawyers
Hall of fame
The lawyers at the very top of the profession, widely known and respected by peers and clients for their longstanding involvement in market-leading work.
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.
Practice head
Eric Swedenburg
Other key lawyers
Anthony Vernace; Lee Meyerson; Alan Klein