Senn Chemicals is a Swiss contract manufacturer based in Dielsdorf near Zurich that has been supplying peptides, peptide fragments, amino acid derivatives and small molecules to pharmaceutical, biotechnology, diagnostic and cosmetic companies worldwide since 1963. The company is CGMP approved and FDA inspected, offering services from early research through to full commercial production using both solid and liquid phase synthesis techniques. Senn Chemicals positions itself as a strategic partner rather than a transactional supplier, with a dedicated team committed to customer success. They are well suited to receive referrals from clients needing specialist peptide manufacturing or process development services.