
CMS utilises their global network to advise banks, power plant developers, operators, and investors throughout the project life cycle. The team is active in oil and gas-related deals, the construction of power plants (particularly photovoltaic plants), and project finance. Co-head Péter Simon specialises in energy, infrastructure, industrial, and construction projects, while fellow co-head Erika Papp handles matters concerning renewable energy and energy financing. Péter Deák is notable for his work in public procurement, energy M&A, and energy regulatory matters with a focus on licensing requirements. Zsófia Hermann is well-versed in solar power plants, assisting clients with drafting and negotiating EPC contracts. Eszter Török and Árpád Lantos assist the team on project financing matters, with their expertise in finance.
Legal 500 Editorial commentary
Accolades
Client satisfaction: Sector knowledge
Testimonials
Collated independently by Legal 500 research team.
- ‘Outstanding quality of the legal advice and the understanding of the industry, we have not found that level of expertise with other firms we were using.’
- ‘We work mainly with Peter Deak and Peter Simon; they are very pleasant and reliable to work with.’
- Punctuality, effectiveness, professionalism.
- Deep regulatory knowledge, with the legal expertise required to provide a sound suggestion/recommendation.
Key clients
- Helexia Group Green Source GmbH Enlight Renewable Energy Budapest Power Plant Energy Industry Partnership GmbH MMBF OTP Bank Goldenpeaks Capital
Work highlights
Advised Green Source GmbH on developing a 49.95 MW PV project in Hungary.
Advised a client in the Original Equipment Manufacturers (OEM) sector on several projects.
Advised Enlight Renewable Energy, the publicly traded company, headquartered in Israel, that builds and operates solar and wind power facilities on the acquisition of a company holding combined small power plant permit of 50 MW, as well as all aspects of development support.
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 associates
Leading associates with regular involvement in their team's key work, and recognition from peers or clients as being ones to watch.
Practice head
Péter Simon; Erika Papp
Other key lawyers
Péter Deák; Zsófia Hermann; Eszter Török; Árpád Lantos


