70.10.Z - Activities of head office and holding companies, excluding financial holding companies
70.21.Z - Public relations and communication activities
70.22.Z - Business and other management consultancy activities
71.20.B - Inspection and issuance of opinions on the technical condition of chimneys and ventilation ducts
72.20.Z - Research and experimental development on social sciences and humanities
74.90.Z - Other professional, scientific and technical activities not elsewhere classified
77.33.Z - Rental and leasing of office machinery, equipment and computers
77.40.Z - Leasing of intellectual property and similar products, except copyrighted works
85.59.B - Courses and training related to acquiring knowledge, skills, and professional qualifications in non-school forms
85.60.Z - Educational support activities
