Pentecoste et Associes
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Founded in March 2025 by former DLA Piper public law practitioners, Pentecoste et Associes is a boutique firm advising on the full range of, contentious, non-contentious and arbitration issues related to public contracts and projects. The team includes Jérôme Pentecoste, who is a public law expert focusing on public projects and administrative litigation, public business law specialist Jean-Luc Heckenroth, and Théo Armbruster, who is knowledgeable in the transport, sports, energy and housing sectors.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- ‘Maître Jérôme Pentecoste clearly stands out as THE specialist in public procurement, and in particular in concession contracts such as Public Service Delegations.’
- ‘Competence, availability, responsiveness, teaching skills’
Key clients
- Ville de Paris
- Agence des Participations de l’Etat
Work highlights
Advised the City of Paris on the renewal of the heating network concession.


