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Senn Chemicals

Dielsdorf, Zurich canton, Switzerlandsennchem.com ↗

Ownership: Private
Employees: ~75
Development stage: Commercial

Overview

Senn Chemicals specializes in custom manufacturing of peptides, amino acid derivatives, and related compounds for pharmaceutical, biotech, diagnostic, cosmetic, and theragnostic industries. The company operates as a CDMO with cGMP-certified facilities supporting projects from R&D through commercial scale. In April 2025 it was acquired by Granules to expand into the fast-growing peptide therapeutics market—especially GLP‑1-based anti-diabetic/obesity drugs—leveraging its expertise in LPPS/SPPS technologies. No proprietary clinical results or internal drug pipeline have been disclosed.

Therapeutic areas: OtherEndocrinology
Modalities: PeptidesPeptide fragmentsAmino acid derivativesSmall molecule (limited)Radiopharmaceuticals/theranostics (for some programs)
Industry: Contract Manufacturing Organization

Partnerships

Not specifically listed; works globally with pharma innovators and brand owners as clients.

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