Formerly with Fin Juhl, a Danish design practice. Andersson was the Head of Peddle, Thorp and Walker's Design Unit in 1962. In 1965, he established his own practice in Sydney. He designed the Prestige Lighting Showroom, the interior design of the Lyceum Theatre, de George's Dress Shop and the Crest Hotel, Kings Cross. In 1969, he was developing designs for Jarvis Coates's furniture manufacturers.