68.10.Z - Buying and selling of own real estate
41.10.Z - Realization of building projects related to erection of buildings
41.20.Z - Building works related to erection of residential and non-residential buildings
43.99.Z - Other specialised construction activities n.e.c.
68.20.Z - Rental and operating of own or leased real estate
68.31.Z - Intermediation service activities for real estate activities
68.32.Z - Management of real estate on a fee or contract basis
69.20.Z - Accounting, bookkeeping and auditing activities; tax consultancy
71.11.Z - Architectural activities
81.21.Z - General cleaning of buildings