King Power Marketing and Management Co Ltd is a subsidiary of King Power Group, managing the duty free retail business on board international flights. The division was awarded a license from Thai Airways Co Ltd, to manage duty free operations on its fleet since 2007. The success of these operations resulted in King Power Marketing and Management winning bids to manage and operate on board duty free sales from Thai Air Asia in 2010, Thai Smile in 2012, and Thai Air Asia X in 2014