B-Osys
Building engineering studies for construction and renovation projects in northwestern France
Highlights
- New on EvolcAdded 2026-11-02
About B-Osys
B-OSYS provides thermal, fluid systems and air-flow engineering studies for construction and renovation projects. Its services include plumbing, heating, ventilation and air-conditioning network studies, thermal assessments, energy audits and airflow analysis.
It serves residential, commercial and industrial building projects. The company is based in Bretteville-sur-Odon and also has a base in Rouen; it operates across northwestern France. Founded in 2006, it is a French SAS with 10–19 employees.
Product: Building engineering studies covering fluid systems, thermal performance, energy audits and airflow.
Public tenders won
2 tenders won since 1 Jan 2024 from 2 public buyers in France, worth €14.1M as awarded. From EU award notices (TED) that name B-Osys by its registry number.
- 4 Aug 2026 SEMINOR · MISSION DE MAITRISE D'OEUVRE. REALISATION D'UNE RESIDENCE INTERGENERATIONNELLE - ACQUISITION / AMELIORATION D'UNE MAISON DE MAITRE ET PLACES DE STATIONNEMENT A GODERVILLE 76110. · €225k notice
- 10 Jan 2025 INOLYA · VIRE NORMANDIE - conception-réalisation pour la construction d'une gendarmerie et de 51 logements · €13.9M notice
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Website technologies
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Monitoring
- SentryHigh confidence
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Website detection does not establish a paid subscription or company-wide use. Tools loaded after consent or sign-in may be missed. “No longer observed” does not prove the company stopped using a tool.