85.59.B - Courses and training related to acquiring knowledge, skills, and professional qualifications in non-school forms
63.11.Z - Data processing, hosting and related activities
73.20.Z - Market research and public opinion polling
74.90.Z - Other professional, scientific and technical activities not elsewhere classified
78.10.Z - Activities of employment placement agencies
78.20.Z - Temporary employment agency activities and other human resource provisions
78.30.Z - Other human resources provision
82.11.Z - Office administrative service activities
82.30.Z - Organisation of conventions and trade shows