During the 1970s, the company expanded its operations to the European and Middle Eastern markets, including charters and aircraft management, establishing its first overseas maintenance facility in Düsseldorf in 1975.

After almost 40 years as part of the group, Jet Aviation sold its airline and cargo handling division in Switzerland on November 6, 2007, to Dnata, the largest supplier of air travel services in the Middle East.

Since December 2007 Jet Aviation has also provided line maintenance, defect rectification, and AOG services at Moscow's Vnukovo International Airport.

In January 2008, Jet Aviation acquired U.S.-based maintenance and completions company Savannah Air Center located at the Savannah/Hilton Head International Airport.

In Spring 2008, Jet Aviation and Beijing-based Deer Air, signed a joint venture to operate an FBO and line maintenance facility at Beijing's Capital International Airport.