85.60.Z - Educational support activities
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
73.20.Z - Market research and public opinion polling
74.30.Z - Translation and interpretation activities
74.90.Z - Other professional, scientific and technical activities not elsewhere classified
82.30.Z - Organisation of conventions and trade shows
85.59.B - Courses and training related to acquiring knowledge, skills, and professional qualifications in non-school forms