Spring/summer 2003
For the first time in the Austrian history of tax consulting, six tax consulting offices, which are independent one from the other, join forces at the same time and on the same place. Dr. Paul Haase, Dr. Erich Hackstock, Dr. Karl Hammerl, Dkfm. Mag. Harald Mayer, Dr. Adolf Leeb, Andreas Leeb as well as Mag. Erwin Schober decide to accept the challenges of the future together and establish “Grazer Treuhand Steuerberatung GmbH & Partner KEG”, which is based in Graz.
Autumn 2003
Due to strong ties to South West Styria, the branch office at Preding is opened.
Spring 2004
Mag. Wolfgang Hofmann becomes a partner of “Grazer Treuhand” (Trust Company).
Winter 2006
Dr. Eva Haase, Dr. Stefan Drawetz and Mag. Wolfgang Hackstock become partners of “Grazer Treuhand” (Trust Company).
Turn of the year 2007/2008
Dr. Adolf Leeb and Dkfm. Mag. Harald Mayer cease to be partners of “Grazer Treuhand” (Trust Company) on grounds of age.
Turn of the year 2012/2013
Dr. Paul Haase, Dr. Erich Hackstock und Dr. Karl Hammerl cease to be partners of “Grazer Treuhand” (Trust Company) on grounds of age.
Turn of the year 2015/2016
The office at Preding moves to the new GesundheitsCentrum (Health Centre) Preding.
Turn of the year 2016/2017
For health reasons, Mag. Erwin Schober discontinues his activities as a partner of Grazer Treuhand Ing. Mag. Klaus Sommerauer becomes a partner of Grazer Treuhand and brings his office into Grazer Treuhand. Consequently Grazer Treuhand now also has a location in Mariazell.
May 2017
Grazer Treuhand takes over the tax consultant office of Mag. Brigitte Ferk.