Record checked on 26 October 2026.
Ateliers O-S Architectes
Architecture firm in Paris · founded in 2002
Overview
Ateliers O-S Architectes is a Paris practice run by Vincent Baur, Guillaume Colboc and Gaël Le Nouëne, who met in the Netherlands while working for OMA and West 8 and have worked together since 2002. It designs mostly public buildings in France, such as schools and school kitchens, theatres, cultural centres and gyms, as well as social housing and a park-and-ride and bus station outside Rennes. Its restructuring and extension of the Théâtre Jacques Carat in Cachan was completed in 2017.
- Founded
- 2002
- Team
- 10–19
- Projects
- 7
- Awards
- 0
The three partners have worked together since 2002; the current company was registered in Paris in January 2007, the date some sources give as the founding year.
Partners and founders
Vincent BaurCo-founder / Co-manager / Architect
Guillaume ColbocCo-founder / Co-manager / Architect
Gaël Le NouëneCo-founder / Co-manager / Architect
Fields of work
Schools and school catering · Cultural buildings · Social housing · Transport facilities · Sports facilities
Built work
Samuel Paty school group (with NAS Architecture)
Béziers · Primary schoolUrban Valley activity building and offices
Massy · Offices and light-industrial building47 social rental homes and shops
Saint-Denis · Social housingExtension of the school facilities
Lugrin · School extensionThéâtre Jacques Carat (restructuring and extension)
Cachan · TheatreNVR cultural centre
Nevers · Cultural centreFrequently asked questions
Where is Ateliers O-S Architectes based?
The firm's address is Paris.
When was Ateliers O-S Architectes founded?
It was founded in 2002.
How can I contact Ateliers O-S Architectes?
You can reach the firm through its website o-s.fr.
What are the main projects of Ateliers O-S Architectes?
Its built work includes Cesson-Viasilva park-and-ride and bus station (Cesson-Sévigné, 2023), Samuel Paty school group (with NAS Architecture) (Béziers, 2023) and Urban Valley activity building and offices (Massy, 2020).