- FABER d.o.o. – performing professional activities of drafting spatial planning implementation documents ((detailed urban development plan (DPU) and urban development plan (UPU), issued by the Ministry of Construction and Physical Planning
- FABER d.o.o. – performing activities for the protection and preservation of cultural goods, issued by the Ministry of Culture, Directorate for Cultural Heritage Protection
- SAMIR ŠTRKONJIĆ, Graduate Engineer of Architecture, Authorized Architect – performing activities for the protection and preservation of cultural goods, issued by the Ministry of Culture, Directorate for Cultural Heritage Protection
- SAMIR ŠTRKONJIĆ, Graduate Engineer of Architecture, Authorized Architect – decision on the entry into the Register of Licensed Architect, issued by the Croatian Chamber of Architects and Civil Engineers in 1999.
- ELEONORA PAVKOVIĆ, Graduate Engineer Architecture – certificate of passed professional exam for planning implementation and construction
- SAMIR ŠTRKONJIĆ, Graduate Engineer of Architecture – Autodesk Revit 2015, Essentials
- SNJEŽANA KOPEJTKO,Graduate Engineer of Architecture – Autodesk Revit 2015, Essentials
- INDIRA ŠTRKONJIĆ – Autodesk Revit 2015, Essentials
- SNJEŽANA KOPEJTKO,Graduate Engineer of Architecture – Autodesk Revit 2015, Intermediate