In Extenso is a leading French chartered accountancy firm founded in 1991. It offers comprehensive services including accounting, taxation, payroll, business consulting, legal support, and financial advisory services[1][4]. The company targets businesses, entrepreneurs, and associations across France with a network of 250 locations[1]. In Extenso's unique selling proposition lies in its multidisciplinary approach and extensive local knowledge, combined with international reach through the ETL Global network[5]. Its specialized divisions, such as In Extenso Finance & Transmission for mergers and acquisitions, further enhance its expertise[3].