Startup Dossier
CWS (Computed Wing Sails)
CWS is a French maritime cleantech company developing automated rigid wings for ship propulsion. Its patented Airfin technology, inspired by aeronautics and biomimicry, optimizes the use of wind energy to reduce fuel consumption and emissions in maritime transport. Based in Montoir-de-Bretagne, CWS is at the forefront of maritime decarbonization, bridging innovation from prototype to industrial production.
About
CWS is a French maritime cleantech company developing automated rigid wings for ship propulsion. Its patented Airfin technology, inspired by aeronautics and biomimicry, optimizes the use of wind energy to reduce fuel consumption and emissions in maritime transport. Based in Montoir-de-Bretagne, CWS is at the forefront of maritime decarbonization, bridging innovation from prototype to industrial production.
Structural DNA
Legal Name
CWS
SIREN
518891452
Founders & Team
Funding Lineage
Series A
Supernova Invest (Lead)
€12.0M
Nov 2025