About Customs Support Group Customs Support Group (CSG) is the European market leader in customs services, operating across 14 countries. CSG is owned by private equity and a fast-growing, dynamic, data-driven company, dedicated to expanding its presence through
About Customs Support Group Customs Support Group (CSG) is the European market leader in customs services, operating across 14 countries. CSG is owned by private equity and a fast-growing, dynamic, data-driven company, dedicated to expanding its presence through