The university has the longest history of private higher education in Thailand. At its founding, the College of Commerce offering a six-month program and a two-year program for 300 students. It reopened in 1963, after its closure in December 1941 following the Japanese invasion and occupation of Thailand. On 17 June 1970, the college was formally accredited under the Private College Act. The first bachelor's degree programs were offered in 1967, and in 1973 the college moved to its present location in Bangkok's Din Daeng District. On 24 October 1984, it became a full university.