CDMO / CMOFounded 1873
Siegfried Holding AG
Zofingen, Aargau, Switzerland
A Swiss CDMO with roots in 19th-century pharmaceutical chemistry, focused on small-molecule drug substance and drug product manufacturing — including complex APIs and finished dosage forms — from a network of sites in Switzerland, Germany, Spain, France, Malta, the US, and China.
- Segment
- CDMO / CMO
- Headquarters
- Zofingen, Aargau, Switzerland
- Founded
- 1873
- Website
- www.siegfried.ch
Notable facts
- Founded in 1873 by pharmacist Samuel Benoni Siegfried in Zofingen, Switzerland, growing out of a pharmacy his family had run since 1870.
- Reported CHF 1.29 billion in total 2024 net sales (drug substances CHF 892 million, drug products CHF 403 million) and more than 3,800 employees as of December 31, 2024.
- Grew substantially through acquisitions of manufacturing sites divested by BASF (2015) and Novartis (2021).
Sourcing guides
Sources. This profile is compiled from public reference data, WebSearch-verified against source 1 · source 2 · source 3. Data as of 2026-07-14. See methodology.
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