The firm was born in 1991. The founder, Giorgio Rosso has gained experience in tax accountants firms of Arthur Young in Milan and Arthur Andersen in Turin. He is also professor of professor of banking law at Piemonte Orientale University. At the end of 90s they became part of Loretta Peretti firm, who has gained experience in auditing, and Massimo Piruozzolo who was tax manager in the Fiat group.