74.90.Z - Other professional, scientific and technical activities not elsewhere classified
66.19.Z - Other activities auxiliary to financial services, except insurance and pension funding
68.31.Z - Intermediation service activities for real estate activities
70.21.Z - Public relations and communication activities
70.22.Z - Business and other management consultancy activities
73.11.Z - Activities of advertising agencies
85.59.B - Courses and training related to acquiring knowledge, skills, and professional qualifications in non-school forms
85.60.Z - Educational support activities
94.12.Z - Activities of professional membership organisations
