TRA is founded by Isabelle Toussaint and Matteo Robiglio to promote and design urban interventions, buildings, services and equipment for communities, businesses, private operators, public administrations, based on the shared, ecological and integrated design philosophy. TRA deals with the reuse of existing structures, residential construction, social housing and co-housing, buildings and public spaces, productive buildings and work spaces, design, community structures, urban plans and projects, urban redevelopment projects, vast area and territorial plans. TRA participates in research and experimentation in the field of city, architecture and construction developed with research centers, universities, businesses, social subjects. TRA is a partner of Homers, a movement that is constantly seeking new models for living characterized by innovation, collaboration and sustainability.