The engineering firm was founded in 1998 by engineer Davide Bianda and engineer Ivan Jelmoni in Losone under the name Bianda & Jelmoni Sagl. In 2000 the company moved to Ascona. In 2001, engineer Ivan Jelmoni forms the simple company "Ivan Jelmoni engineering firm," which is active in the Ascona office. In 2005 the company Jelmoni Ingegneria SA is founded. The firm specializes in the field of civil engineering, and over the years it broadens its interpersonal skills and develops its knowledge by creating a team of motivated employees.