CTAC Advisory Group CTAC is a multinational legal, accouting and international tax consulting group registered in Singapore. Overview Overview CTAC is a multinational consulting group incorporated in Singapore. History History After the interruption of domestic(China) transfer price investigation in 2010, successfully switched to APA. Competitiveness Competitiveness Operate a team of experts including tax agents, certified public accountants, lawyers, etc. Directions Directions CTAC is located in Seoul(KR), Ho Chi Minh(VN), Hanoi(VN), Shanghai(CN), Singapore, Kuala Lumpur(MY) and Jakarta(ID)