In 2004, the diploma was recognized by French Ministry of National Education and the university was accredited by IACBE before becoming a member of UNIDO in 2006.

In 2007, the university was accredited by ACBSP before being recognized by French State to deliver a Master's degree[4] in 2009.

[5] On 10 April 2012, the ISG became a member of the Conférence des grandes écoles.

[6] Since 2013, IONIS Education Group wants to develop day-time or night school education for employees provided by companies by developing programs based on the 11 Master of Business Administration degrees of the university.

[8] In 2014, ISG Business School launched a subsidiary specialized in luxury, fashion and design called Moda Domani Institute.