ACTHEOS was founded in 2007 with the merger of several recognized and historical accounting and auditing firms in Paris and western France. Currently with over 150 employees and 16 partners, ACTHEOS represents a competitive, alternative and complementary offer to the major accounting and audit networks in an approach combining proximity and multidisciplinarity. In an ever-changing economic environment, we have chosen to pool our skills and expertise to meet the new needs of our customers both in France and abroad. ACTHEOS is a member of the 3rd international alliance TAG Alliances, and the ATH technical association.