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Contacts and branches

Head office

LISTEC Schweisstechnik AG
Gaiserwaldstrasse 15 | CH-9015 St. Gallen

071 888 46 66 |
(Telephone contact Monday, Thursday and Friday)


Rolf Affolter


Therese Graf
Accounting and administration

Contact persons

Silvio Kühnl – Deputy Director: German-speaking Switzerland
Qualifications: IWE
Languages: German / English

Éric Barthelet – Deputy Director: French speaking Switzerland
Qualifications: IWE / EWE / ESSA
Languages: French / German / English

Nicola Merlini – Deputy Director: Italien speaking Switzerland
Qualifications: IWE
Languages: Italian / French / German

Courses, welder qualification tests, materials testing, technical inspections, occupational safety and company certifications are offered by the Swiss Association for Welding Technology (SVS).