Company History

1986 Office founded by DI Heinrich Oberressl as licenced civil engineer
1988 Admittance of DI Heinrich Oberressl as certified court professional expert
1998 Founding of Oberressl & Partner ZT-GmbH with DI. Heinrich Oberressl and DI. Joachim Kantz as directors
2000 Admittance of DI Joachim Kantz as certified court professional expert
2000 Relocation of company to new office in Feldkirchner Strasse
2002 Establishment of branch in Slovenia
2003 Establishment of branch in Croatia
2003 Renaming of company as OBERESSL & KANTZ ZT GmbH
2004 Founding of subsidiary company OK projekti d.o.o. in Slovenia
2005 DI. Heinrich Oberressl awarded title "Baurat h.c"
2008 Relocation to new office at Schleppe Platz
2009 Slovenian engineering licence obtained (Registration with IZS)
2011 DI Wolfgang Obernosterer becomes Partner and Prokurist
2013 Opening of our new office in Eberndorf