Tertiam
Architecture agency in Paris focused on rehabilitating existing buildings for office, childcare, education and housing projects
Highlights
- New on EvolcAdded 2026-11-02
About Tertiam
Tertiam is an architecture agency that works mainly on the rehabilitation of existing buildings. Its services include programme management (AMO), maître d'œuvre, design-build with OPC, BIM, architecture, and interior architecture with space planning.
Its projects cover tertiary (office) buildings, nurseries, educational establishments and housing. Clients have access to a collaborative online platform for their projects. The company is a French SAS.
The company was founded in 1992 and is headquartered in Paris. It was co-founded by engineer Jacques Simonian and architect Caroline Paulet. Recent work includes the delivery of an administrative site in Limoges for OFII after rehabilitation works.
Product: Architecture, project management, BIM and interior design services for building rehabilitation and tertiary, educational and housing projects.
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