ISO 9001:2015
ISO 10002:2018
ISO 14001:2015
ISO 19600:2014
ISO 22301:2012
ISO 27001:2013
ISO 27701:2019
ISO 37001:2016
Marka Tescil Belgesi
Etik beyanı
TGM Gümrük Müşavirliği Limited Şirketi (TGM Customs Consultancy Co. Ltd.) of which ERTUĞRUL TAN was positioned as the Founder Chairman in 1990 has been rendering services as an indirect representative under the provisions of the Customs Law No. 4458 and Customs Regulations.