About us

Wadsack in Solothurn has been providing fiduciary services to corporate and private clients for more than 30 years. We support our customers in the field of tax advisory, finance and payroll accounting as well as in the preparation of the annual financial statements.

As FAOA certified audit company we perform ordinary and limited audits of the financial statements and attest certified capital increases, capital decreases, as well as foundations.



November 10, 2015 Revo Treuhand AG moves from Deitingen, Solothurn in the center of the city of Solothurn. The new offices are located at Hauptbahnhofstrasse 2 in 4500 Solothurn.


Mark Rüfenacht joins Revo Treuhand AG as successor of Brigitte and Roland Müller.


Foundation of Revo Treuhand AG by Brigitte and Roland Müller.