Simmons & Simmons' corporate department has a robust offering which encompasses public and private M&A, takeovers, and investments, as well as disposals, reverse takeovers, and management buyouts. The team has considerable experience advising on transactions across a wide array of sectors such as financial services, energy, and technology which, together with its aptitude for high-value, high-profile multijurisdictional deals, has amassed an impressive client base consisting of notable names, including the likes of BT and BP. Arthur Stewart co-leads the group alongside Ania Rontaler and concentrates on domestic and international M&A, joint ventures, and restructuring, with a particular focus on regulated sectors. Rontaler is the main contact for asset management transactions. Jason Daniel is adept at advising Japanese businesses strategic alliances while Sean Geraghty regularly assists financial institutions with public and private M&A.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
‘The M&A practice stands out for its professionalism, responsiveness, and commercially sound advice, all delivered with a friendly and collaborative approach.’
‘What makes the team unique is their ability to combine deep technical expertise with a clear understanding of clients’ commercial goals, enabling practical, solutions-focused guidance.’
- ‘Other clients would value the team’s seamless coordination, depth across specialist areas, and consistent delivery under pressure.’
- ‘They demonstrated a forward-thinking mindset, showing a strong commitment to collaboration and client service.’
‘The individuals we worked with stood out for their professionalism, deep subject-matter expertise, and pragmatic, solution-oriented approach.’
‘Compared to competitors, what sets them apart is their ability to combine legal precision with commercial insight, all while maintaining a responsive and collaborative/friendly working style.’
Key clients
- Masdar
- BP
- Honeywell
- PineBridge
- BT
- Greatland Gold
- Brookfield
- BlackRock
- Apex
- APG
- Tenzing
- Kester
Work highlights
Advised Masdar in acquiring 67% of Terna Energy.
Advised PineBridge Investments on the non-US aspects of its sale to MetLife from the Pacific Century Group.
Advised Honeywell on the non-US aspects of its all-cash acquisition of Air Products’ liquefied natural gas (LNG) process technology and equipment business.
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
Arthur Stewart; Ania Rontaler
Other key lawyers
Jason Daniel; Sean Geraghty; Isabella Roberts; Raghav Ghai; Anna Bryant; Halle Broadbent; Stephanie Featherstone