Expect more with Siegfried as your preferred partner. Siegfried is a preferred manufacturing and service partner in the global pharmaceutical industry. Our company is looking back on more than 150 years of unmatched quality and combines both chemistry and pharmaceutics under one roof. We develop and manufacture active pharmaceutical ingredients for pharmaceutical clients with R&D programs, related intermediates and controlled substances. Siegfried also offers development and production of finished dosage forms, including sterile fillings. Approximately 3600 dedicated employees in Switzerland, Germany, France, Spain, Malta, China and the USA establish innovative and integrated solutions for our customers that bring a significant added value.