The favoured public business law practice at Adaltys Avocats leverages its large and diverse team of specialised lawyers across all aspects of public law, as well as in a broad range of regulated industries. Co-leading the team, Gilles Le Chatelier has extensive experience in a variety of public business and administrative law mandates, while Jean-Marc Petit is a seasoned urban law specialist. The group also includes Clément Nourrisson, who is particularly competent in the structuring of projects, public contracts and public-private partnerships, and Benjamin Boiton, an expert in public business law and EU state aid rules.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- ‘A very professional team, responsive in their answers, and highly competent.’
- ‘The Adaltys teams are known for their attentiveness and responsiveness. Moreover, they quickly bridge the gap between legal principles and the practical realities of projects, which often require practical experience on the ground rather than a purely literal interpretation of legal texts.'
- ‘Clément Nourrisson is very attentive to the client's concerns and knows how to adapt his speech and method to the context.’
- ‘Excellent listening and understanding skills. Unwavering responsiveness to various constraints and strong ability to propose innovative solutions tailored to local contexts.'
- ‘We primarily work with Clément Nourrisson, who demonstrates extensive expertise and is particularly responsive and a good communicator. He is easy to work with, and our exchanges are pleasant and constructive. We recommend him without hesitation.’
- ‘Adaltys distinguished itself from the outset by precisely identifying our needs and proposing solutions perfectly tailored to them. The firm was able to adapt to our tight schedule and subsequent work interruptions. They work closely with other service providers and are very responsive in answering our questions and offering appropriate solutions.’
Key clients
- French State - Ministry of Ecological Transition
- European Commission
- Kingdom of Morocco
- Compagnie nationale du Rhône (CNR)
- ENEDIS
- EDF
- Groupe Caisse des Dépôts
- Keolis
- Transdev
- Dalkia
- Vinci construction
- NGE
Work highlights
Advised SYTRAL Mobilités on the awarding and implementation of the two lots of the €3 billion concession for the Lyon metropolitan area's public transport network.
Providing assistance to the Occitanie Region in relation to legal proceedings concerning environmental permits for the A69 and A680 highways.
Advised the Collectivité de Corse on the establishment of the Corsican public trade and industry entity, due to come into effect on 1 January 2026, and on the negotiation of concessions for Corsican airports and ports operated by this public entity.
Lawyers
Next Generation Partners
Junior partners with significant recognition from clients and peers in the market and key roles on multiple matters.
Practice head
Gilles Le Chatelier; Jean-Marc Petit
Other key lawyers
Clément Nourrisson; Benjamin Boiton