1993 to 1999, he was a partner of Sottsass Associati Milan responsible for industrial design. His studio in Milan has worked with numerous internationally renowned companies. Distinguished visually by a geometric formalism, Irvine describes his practice as ultimately guided by a concern for the end user, an independent spirit and attention to the quality of life. In 4, Irvine was elected RDI (Royal Designer for Industry) by the Royal Society of Arts in London. After James’ sudden death in 2013, the thirty-year history of his office evolved into a new phase today run by the Architect Marialaura Rossiello Irvine. The story of a constantly evolving family studio whose focus is product design, art direction and interior design with clients such as Muji, Yamakawa, Thonet, Offecct, Amorim, Matteo Brioni, Baleri Italia and others.