70.22.Z - Business and other management consultancy activities
68.10.Z - Buying and selling of own real estate
68.31.Z - Real estate agencies
69.20.Z - Accounting, bookkeeping and auditing activities; tax consultancy
70.21.Z - Public relations and communication activities
71.12.Z - Engineering activities and related technical consultancy
73.11.Z - Advertising agencies activities
73.20.Z - Market research and public opinion polling
74.10.Z - Specialised design activities
74.90.Z - Other professional, scientific and technical activities not elsewhere classified
82.11.Z - Office administrative service activities
82.19.Z - Photocopying, document preparation and other specialised office support activities
82.99.Z - Other business support service activities not elsewhere classified
85.59.B - Other out-of-school forms of education, not elsewhere classified
96.09.Z - Other personal service activities not elsewhere classified
