AET. Decades of experience

for enduring solutions.

Since 1963, the Hamburg company named after its founder Alfred E. Tiefenbacher – today, AET – has been growing successfully for over 45 years in the market for active pharmaceuticals.

Representing API remains the cornerstone of the business, and has provided a strong foundation to support AET’s growth to a pharmaceutical company. Capable of independently developing, registering and supplying finished dose form generic pharmaceuticals to marketing organisations internationally, AET enjoys an industry leading reputation for technical excellence and service.