Stirling Design International, established in Nantes, has specialized in design, architecture and marine engineering of passenger vessels.

The office was founded in 1976 by Joël Brétécher a former car designer from Pininfarina and Ghia, the top Italian car designers. Thibaut Tincelin, naval architect graduated from Ecole Polytechnique and Delft University of Technology becomes the manager of SDI in 2007.

SDI offers a wide variety of services in the field of naval design: research and development, concept design, naval architecture, exterior and interior design and construction follow up.