Suppliers / Siegfried Evionnaz

Siegfried Evionnaz

Switzerland Updated 9 July 2026

The public registers hold a second record for Siegfried Evionnaz. The fuller profile, with 94 active US DMFs and 40 valid CEPs, is at Siegfried. Figures on this page cover only this record.

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

Articaine API Bupivacaine API Carbamazepine API Carisoprodol API Epinephrine API Felbamate API Mepivacaine API Methenamine API Methylphenidate API Metolazone API Oxybutynin API Prilocaine API
Show 4 more molecule pages
Ribavirin API Tetracaine API Trospium API Xylometazoline API

Filings and GMP by regulator

Regulator Filings GMP certificates
NCELS (KZ) 1 None

Questions about Siegfried Evionnaz

Does Siegfried Evionnaz hold a US DMF or a CEP?
Siegfried Evionnaz holds 26 active US drug master files and 14 valid CEPs. A drug master file is a submission to the FDA describing how an ingredient is made; a CEP is the EDQM's certificate that the substance meets its European Pharmacopoeia monograph. Both are filings rather than approvals.
Is Siegfried Evionnaz FDA-registered?
One site operated by Siegfried Evionnaz carries an FDA establishment identifier (FEI), which means it is registered with the FDA as a drug establishment. Registration is not the same as approval or inspection clearance.
How did Siegfried Evionnaz's last inspection go?
The most recent inspection on record closed on 31 March 2023 as VAI (Voluntary Action Indicated: issues were found but did not warrant regulatory action). 6 inspections are on file.
Where does Siegfried Evionnaz manufacture?
2 registered sites are on record, in Switzerland (Evionnaz and Switzerland). Every site is listed on this page with the register it came from.
What does Siegfried Evionnaz make?
25 molecules are on record against Siegfried Evionnaz, including Tetracaine, Prilocaine, Bupivacaine and Carbamazepine. Each links through to that molecule's full manufacturer list.
Where does Siegfried Evionnaz file?
Filings are on record with NCELS (KZ), 1 in total.

Answered from this company's own record. Where a register holds nothing, the question is not asked rather than answered with a zero. How we count our figures.

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Open risk flags

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

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Ranked by shared active ingredients where we have them, otherwise by country and comparable credentials.

Sources on this page

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