
CMS fields a cross-sector infrastructure team that advises on complex energy, transport, social infrastructure, healthcare, and digital infrastructure mandates across the UK, Europe, Middle East, and Africa. Clients include global sponsors, contractors, and lenders, with recent mandates spanning CCUS, fibre rollouts, data centres, and PPP portfolio transfers, refinancings, and handbacks. Paul Smith and James Snape co-head the practice, bringing deep expertise in project finance and procurement. Jonathan Dames covers a wide array of energy and infrastructure assets and is noted for his project finance proficiency. Philip Duffield’s practice largely focuses on the clean energy sector, where he acts for developers, investors, and lenders. Katie Duffield is a further key contact.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- 'Strong team with solid background in projects, including offshore, projects and construction. Depth of experience to call on and a good level of associates to support partners.'
- 'Philip Duffield has proved outstanding support, expertise and experience on infrastructure projects. Expertise and experience is backed up by terrific hard work and team work and is fantastic to work with.'
Key clients
- Aviva Investors
- Equitix
- John Laing
- The Renewable Infrastructure Group
- InfraRed Capital Partners
- Octopus NoDalmore
- DIF
- Macquarie
- Allianz
- Amber
- Statkraft
- Equinor
Work highlights
Acted as project counsel for the Net Zero Teesside Power project and the Northern Endurance Partnership project.
Acting for VPI on the first retrofit power plant to add CCUS capabilities.
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.
Next Generation Partners
Junior partners with significant recognition from clients and peers in the market and key roles on multiple matters.
Practice head
Paul Smith; James Snape
Other key lawyers
Jonathan Dames; Philip Duffield; Katie Duffield