TIER also serves as secretariat for various international organizations: the Chinese Taipei member committees of the Pacific Basin Economic Council (PBEC) and the Pacific Economic Cooperation Council (PECC); the APEC Business Advisory Council (ABAC); and the Chinese Taipei APEC Study Center (CTASC).
另外亦負責「太平洋盆地經濟理事會中華民國總會（PBEC）」、「太平洋經濟合作理事會（PECC）」、「APEC 企業諮詢委員會（ABAC）」、「中華台北亞太經濟合作（CTAPEC）研究中心」等國際組織之秘書處業務。