Suppliers / Siegfried Evionnaz

Siegfried Evionnaz

Switzerland Updated 9 July 2026

Siegfried Evionnaz is an API manufacturer based in Switzerland. It holds 26 active US drug master files and 14 valid CEPs across a filed portfolio of 25 molecules. Its most recent recorded inspection, by US FDA, closed on 31 March 2023 as VAI.

26
active US DMFs
14
valid CEPs
2
registered plants 1 with an FDA FEI number
1
filings across 1 regulators
These figures were checked against the regulators' own files on 25 July 2026
Plants
1 of 1 confirmed
Inspections
6 of 6 confirmed
Sources: FDA Establishment Registration, read 4 May 2026. FDA drug inspection classifications, read 4 May 2026.

Inspection history

  • 31 March 2023 VAI US FDA
  • 7 June 2019 NAI US FDA
  • 18 March 2016 NAI US FDA
  • 14 November 2013 NAI US FDA
  • 2 September 2011 VAI US FDA
  • 14 November 2008 VAI US FDA

NAI means no action indicated, VAI means voluntary action indicated, and OAI means official action indicated.

Registered plants

Site FDA FEI
Evionnaz, Switzerland Not on file
Switzerland, Switzerland 3002807824

What they file, and where

Molecule Regulators Docs
Tetracaine EDQM, SFDA (Saudi Arabia), US FDA 6
Prilocaine EDQM, SFDA (Saudi Arabia), US FDA 5
Bupivacaine EDQM, US FDA 3
Carbamazepine EDQM, US FDA 3
Articaine EDQM, US FDA 2
Mepivacaine EDQM, US FDA 2
Oxybuprocaine EDQM, US FDA 2
Oxybutynin EDQM, US FDA 2
Trospium EDQM, US FDA 2
Benzonatate US FDA 1
Show all 25 molecules on file
Bethanechol US FDA 1
Carisoprodol US FDA 1
Chloroprocaine US FDA 1
Cinchocaine US FDA 1
Epinephrine SFDA (Saudi Arabia) 1
Felbamate US FDA 1
Fosinopril EDQM 1
Levonordefrin US FDA 1
Mefloquine US FDA 1
Methenamine US FDA 1
Methylphenidate EDQM 1
Metolazone US FDA 1
Phenelzine US FDA 1
Ribavirin US FDA 1
Xylometazoline EDQM 1

Also appears on these molecule pages

Filings and GMP by regulator

Regulator Filings GMP certificates
NCELS (KZ) 1 None

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Open risk flags

  • The most recent inspection outcome was VAI, on 31 March 2023.

Sources on this page

FDA
Drug master files, establishment registration, inspection classifications
EDQM
Certificates of suitability