Office of Holzeisen Reich Oberthaler Putz in Dornbirn, South Tyrol joins the group.
Office of Schrottenbaum & Partner from Bregenz (since 2015 SPT in Dornbirn) joins the group.
The Trewitax companies join the international alliance of Geneva Group International.
Establishment of Trewitax Wirtschaftsprüfungs GmbH in Singen.
The company in Kreuzlingen operates under the name of Trewitax Kreuzlingen AG and the one located in Zurich under the name of Trewitax Zürich AG.
RCR – Group of Franz Broger and Hermann Rothauer specialized in the field of reorganization founds Trewitax St. Gallen AG.
Bruno Faoro and Stefan Zürcher work in Kreuzlingen in a common office. In order to provide support for common clients from a single source, they found Trewitax GmbH.