AET. Working in an atmosphere
of trust and partnership.

Founded in 1963 in Hamburg by the company’s namesake Alfred E. Tiefenbacher as the world’s first exclusive active pharmaceuticals ingredient – API agency, AET has been growing successfully in the market for active pharmaceuticals for 50 years.

Representing API producers has provided the foundation for AET’s growth into a pharmaceutical company capable of independently developing, registering and supplying finished dosage form (FDF) generic pharmaceuticals to marketing organisations internationally. AET enjoys an industry leading reputation for technical excellence and service.