Engaged by a range of clients from the UK, Europe, and the US, Simpson Thacher & Bartlett LLP's advice spans the full breadth of merger control, competition investigations, and compliance assistance. The London-based team is complemented by a strong litigation department and Europe-based antitrust and regulatory group. Team head Antonio Bavasso provides over 20 years of experience with high-profile merger, behavioural, and contentious competition matters. Étienne Renaudeau and Josh Buckland are also key to the team’s ongoing successes.
Legal 500 Editorial commentary
Accolades
Client satisfaction
Testimonials
Collated independently by Legal 500 research team.
- 'The STB professionals in this team are highly responsive, commercially adept, and efficient business partners.'
- 'Peter Guryan and Etienne Renaudeau, and their respective team members are very commercially savvy. We feel we are in the hands of seasoned experts in the field, giving us full confidence.'
- 'Antonio Bavasso is extremely helpful and responsive. Always on the ball and excellent to deal with.'
Key clients
- AGCO
- Blackstone
- Bruin Capital
- CBRE
- Cisco
- EQT
- FiberCop
- Grant Thornton
- New Mountain Capital
- News UK
- OpenAI
- Paramount
Work highlights
Acting for Cisco Systems, Inc in relation to its acquisition of Splunk Inc. for approximately US$28 billion.
Acting on the €18.8 billion acquisition by KKR of FiberCop.
Advising OpenAI in relation to a variety of competition matters, including the investigation by the CMA of its partnership with Microsoft and considerations under EU competition laws and regulation.
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.
Practice head
Antonio Bavasso
Other key lawyers
Étienne Renaudea; Josh Bucklan; Henry Llewellyn