AACSB
The Association to Advance Collegiate Schools of Business main task is to test the academic quality of business schools.
Founded 1916 in the U.S.A, AACSB provides internationally recognised, specialised accreditation for business and accounting programmes at the bachelor's, master's, and doctoral level. There are 789 business schools in 53 countries and territories that have earned AACSB Accreditation. Similarly, 186 institutions hold an additional, specialised AACSB Accreditation for their accounting programs.
A list of all accredited schools is here: www.aacsb.edu/accreditation/accredited-members/global-listing