Noted for its 'excellent legal and technical skills', OYAT is making a name for itself in the construction market, with the addition of the highly regarded Tony Janvier in January 2025, along with his team, which includes Michael Chebab and Lucie Delille.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- ‘A responsive, customer-focused, and reassuring team. Excellent legal and technical skills. Proactive in offering solutions.’
- ‘Expertise, added value of support. Complete team.’
- ‘Within the team, Mr. Tony Janvier stands out. His excellent technical expertise, combined with rigorous analytical skills, allows him to provide clear and secure solutions, even in the most complex cases. He also distinguishes himself through his close client relationships, his innovative approach to finding legal solutions, and his collaborative leadership, which fosters cohesion and efficiency within our legal team. These qualities make him an exemplary lawyer.’
- ‘This team is distinguished by: Recognized and highly specialized legal expertise. Attentive listening and personalized client support. Collaborative and cross-functional work among its members. A solid reputation that positions it among the most competitive teams in the market.’
- ‘Tony Janvier and his team provide excellent advice.'
Key clients
- SOCIETE DES GRANDS PROJETS
- SOCIETE DU CANAL SEINE-NORD EUROPE
- EDF Group
- TISSEO INGENIERIE
- SAS CAMPUS AGRO
- EPAURIF
- PARSONS
- SPIE BATIGNOLLES Group
- LEON GROSSE Group
- TPF INGENIERIE Group
- IMPRESA PIZZAROTTI Group
- BALAS Group
Lawyers
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.
Practice head
Tony Janvier
Other key lawyers
Michael Chebab; Lucie Delille