
Highly renowned for representing private equity funds in major M&A transactions and takeover bids, Sidley Austin LLP’s practice is praised for offering ‘superior expertise’ to domestic and international clients engaged in a diverse range of industries, including financial services, sports, and software. The team regularly handles leveraged buyouts, structured equity investments and joint ventures, led by department head Ramy Wahbeh, who oversees cross-border corporate deals from London. Kaisa Kuusk focuses on strategic joint ventures, while the “incredibly adept” Adam Runcorn and the versatile adviser Jonathon Hamill are also recommended.
Legal 500 Editorial commentary
Accolades
Client satisfaction
Testimonials
Collated independently by Legal 500 research team.
‘Sidley's team provides superior expertise along with great communications, commercial awareness and solutions-oriented work. The practice's ability to collaborate with clients sets it apart.’
‘Adam Runcorn and his team are incredibly adept and knowledgeable, their work ethic and responsiveness are unmatched, and they are very aware and sensitive to industry-specific commercial terms.’
Key clients
- Various funds managed by Apollo Global Management, Inc.
- Achieve Partners
- Bilkul Football WBA
- Great Hill Partners
- J.C. Flowers & Co.
- Lottomatica
- Stonepeak
Lawyers
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.

Next Generation Partners
Junior partners with significant recognition from clients and peers in the market and key roles on multiple matters.
Practice head
Ramy Wahbeh
Other key lawyers
Kaisa Kuusk; Adam Runcorn; Jonathon Hamill