The core activities of Atlas Air Service include:
* Aircraft sales and purchases, particularly business travel aircraft from the brands Embraer, Cessna, Beechcraft and Hawker
* Aircraft maintenance and repair, including line and base services, at several locations in Germany and Switzerland
* Aircraft management and operation, including jet charter and aircraft management services
* Sales of aircraft and components, including the role as authorized service center for Embraer Executive Jets and as a distribution partner for Bell Helicopter
* Performance of repairs and modifications to aircraft, including engine, landing gear and component repairs as well as avionics and painting work.