Record checked on 25 October 2026.
forma6
Architecture firm in Nantes · founded in 1989
Overview
forma6 is a Nantes architecture cooperative (SCOP) with more than three decades of practice, handed over by its founders to a new generation of partners in 2022. It focuses on low-carbon construction with bio-sourced materials such as timber and straw, applied to schools, housing, healthcare and office buildings in western France.
- Founded
- 1989
- Team
- ≈ 12
- Projects
- 4
- Awards
- 0
Rooted in Nantes for over 30 years; a cooperative (SCOP) since the 2022 handover.
Partners and founders
Christian CollardPartner architect
Cyril BoudiguesPartner architect / Co-manager
Eric GarnierPartner architect
Hervé GeslandPartner architect
Pierre-André BironPartner (architect, computer graphics)
Valérie BelinPartner, head of administration and finance / Co-manager
Fields of work
Bio-sourced and low-carbon construction · Educational buildings · Housing · Healthcare facilities · Offices
Built work
Groupe scolaire Alice Milliat
Nantes · Primary school (timber)Résidence Le Dolmen – renovation of 190 social housing units
Nantes · Housing renovationMédiathèque Floresca Guépin
Nantes · Public libraryFrequently asked questions
Where is forma6 based?
The firm's address is 17 rue La Noue Bras-de-Fer, 44200 Nantes.
When was forma6 founded?
It was founded in 1989.
How can I contact forma6?
You can reach the firm by phone on +33 2 40 29 47 25, by email at forma6@forma6.net and through its website forma6.net.
What are the main projects of forma6?
Its built work includes Odacité – Espacil headquarters and 107 homes (Rennes, 2025), Groupe scolaire Alice Milliat (Nantes, 2024) and Résidence Le Dolmen – renovation of 190 social housing units (Nantes, 2024).