Daimler Airway was an airline subsidiary of the Birmingham Small Arms Company (BSA)'s Daimler Company. It was created to use some of the assets of the failed ventures Airco and its subsidiary, Aircraft Transport and Travel, which was acquired by BSA in February 1920.

The Birmingham Small Arms Company Limited (BSA) was a major British industrial combine, a group of businesses manufacturing military and sporting firearms; bicycles; motorcycles; cars; buses and bodies; steel; iron castings; hand, power, and machine tools; coal cleaning and handling plants; sintered metals; and hard chrome process.