Advising on the full lifecycle of infrastructure, energy and natural resources projects, Simmons & Simmons is active across PPP, PFI, and concession-based models. It brings sector expertise in nuclear decommissioning, renewables, defence, midstream oil and gas, and mining, regularly supporting clients on financings, joint ventures, regulatory issues and complex procurement mandates. Iain Duncan leads the team and is especially noted for his mining and power expertise. Juliet Reingold remains a key contact for PPP and infrastructure mandates, regularly advising government clients. Andrew Petry acts for major international developers and lenders, while Sara Barin, who joined from Freshfields in 2025, has recently led on European social infrastructure.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
‘Simmons & Simmons is an one stop shop business law firm, with any kind of competence that a potential client may seek.’
‘Andrew Petry is the partner in charge with us, a partner with huge experience and with a client friendly approach.'
'Corinne Noel has a long track record of successful transactions, happy clients and a loyalty solidly proven.’
‘Great working team, very willing and available. Excellent technical team. Quick response to queries and requirements.'
‘Demonstrated excellence across all aspects of the engagement.'
- 'Delivered consistently high-quality service, marked by clarity, efficiency, and responsiveness. Demonstrated strong capability in managing complex demands from multiple lenders.'
Key clients
- Ministry of Defence
- The Department for Business & Trade
- Stone City Energy
- Gate terminal B.V.
- Mantoverde S.A.
- Terrafame
- Orion Resource Partners
- Government of Kenya, State Department for Petroleum and Energy and Petroleum Regulatory Authority (EPRA)
- Microsoft
- Saudi Telecoms Company
- ATAŞ
- OpenInfra AB
Work highlights
Representation of ATAŞ in the $1.4bn financing and ongoing negotiations for the Eurasia road tunnel project in Istanbul, Türkiye, including a proposed acquisition by an affiliate of the Qatar Investment Authority.
Advised Saudi Telecoms Company on a strategic partnership and joint venture for the East to Med data Corridor, facilitating shari’ah compliant financing for a data cable project linking the East and the West.
Advised the Ministry of Defence on the £13bn PFI contract for the Future Strategic Tanker Aircraft and ongoing operational matters.
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
Iain Duncan
Other key lawyers
Juliet Reingold; Waltter Kulvik; Andrew Petry; Patrick Wallace; Sara Barin; Corinne Noel