Droit public

Public law

Our expertise

Public law is of paramount importance in France given the central  role played by institutional and economic public bodies.

It is often essential to consider public law standards at national and European levels to properly carry out transactions or operations in France, as public authorities are involved in a significant proportion of them  as shareholders, contractors or regulators.

Magenta assists its clients with all matters relating to public business law and is actively involved in regulated sectors (energy, infrastructure, electronic communications, healthcare, urban and rail transport, audiovisual, etc.).

Magenta possesses extensive expertise covering all aspects of public law in an advisory and litigation capacities, combined with in-depth sector-specific and regulatory knowledge:

  • Award and performance stages of public contracts (procurement contracts, concessions, public-private partnerships);
  • Administrative bodies and administrative decision-making processes, public policies and supporting industrial activities;
  • State subsidies and aid;
  • Foreign investment control;
  • Change and restructuring in the public sector (formation of new public entities, public sector privatisation and so-called respiration, creation of subsidiaries, joint ventures, and structuring of public companies as semi-public companies (SEM) or single-transaction semi-public companies (SEMOP);
  • Powers of local authorities;
  • Public finance and public finance law;
  • Public and private property transactions linked to public estate constraints;
  • Legislative and regulatory advice.

Our lawyers act in an advisory and litigation capacities before all administrative and judicial courts, regulatory authorities (French Transport Regulatory Authority (ART), French Energy Regulatory Commission (CRE), French Electronic Communications, Postal and Print Media Distribution Regulatory Authority (ARCEP)) and in arbitration proceedings.

Our work

Assisting operators in the development, acquisition or financing of solar and wind farms, analysis of the regulatory framework governing farm locations, connection to the electricity transmission network and purchase obligations.
Assisting an electronic communications operator awarded several public service delegations for the roll-out of ultra-high-speed broadband in France, in the award and performance stages of these contracts.
Assisting in challenging non-compliance of various taxes and fees in the energy and electronic communications sectors with national and European law.
Assisting a transport organisation authority in (i) ultra vires actions and (ii) so-called Tarn-et-Garonne action against public transport concession contracts.
Assisting an electronic communications operator in various disputes brought by competing operators contesting wholesale rates for the provision of regulated services in the electronic communications sector.
Assisting an international group with the performance of a lease-out agreement in a river port.

Our rankings

Magenta dispose d’une offre complète en droit public des affaires – en conseil comme en contentieux – devant les juridictions nationales et européennes, ainsi que les autorités de régulation. En 2025, l’équipe est intervenue en tant que conseil sur la conclusion d’un contrat d’allocation de production nucléaire entre EDF et l’opérateur de data centers Data4, une première pour ce secteur.

Le cabinet assiste acteurs du secteur public comme entreprises privées, en particulier des opérateurs de l’énergie et du transport ferroviaire. Magenta se distingue par son positionnement unique à l’intersection du droit public et de la régulation sectorielle, traitant des dossiers devant l’Arcep et combinant enjeux énergétiques et télécoms.

 

2025 Rankings: 

Décideurs 2025
Energie, Environnement, Acteurs Publics & Entreprises

Magenta est réputé pour son expertise réglementaire et de droit de la concurrence. L’équipe de quatre avocats dispose d’une forte compétence dans les domaines des télécoms, du transport et de l’énergie où elle traite fréquemment des litiges réglementaires stratégiques.
‘L’équipe offre un niveau de services du Cercle Magique.’
‘L’équipe est efficace, proactive et réactive.’

Legal 500 2020
Droit Public et Administratif