Accredited by General Incorporated Association ABEST21, a Business School Accreditation Organization

According to the Basic Act on Education administered by the Ministry of Education, Culture, Sports, Science and Technology (MEXT), graduate schools of business administration are required to be evaluated and accredited by external organizations once every five years.
GSM has been accredited by THE ALLIANCE ON BUSINESS Education AND SCHOLARSHIP FOR TOMORROW, a 21st century organization (ABEST21) three times in a row:

• AY 2010 Received accreditation for the first time since being established in April 2006.
• AY 2015 Renewed accreditation for the second time with Excellent ratings.
• AY 2020 Renewed accreditation for the third time with Excellent ratings.