SMEs have become more significant to Thailand's economy after the dawn of the Asian In order to deal with the upcoming ASEAN Economic Community (AEC) in 2015, the long-term plan for SME policy should be created and the cooperation of OSMEP and SME development policy should be well-integrated. Several support of SME governance such as Office of Small and Medium Enterprises Promotion (OSMEP), SME Bank, and Institute for SME Development (ISMED), nevertheless, numerous mismatches SMEs reforms and public policies still exist. Many studies and preparation have been provided in order to reach the better policy implementation for economic reform in the future to cope with the challenges in the upcoming AEC merger in 2015. Several organizations, for example, technical support by the so called the Institute