71.12.Z - Engineering activities and related technical consultancy
69.20.Z - Accounting, bookkeeping and auditing activities; tax consultancy
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
72.19.Z - Other research and experimental development on natural sciences and engineering
74.90.Z - Other professional, scientific and technical activities not elsewhere classified
85.59.B - Courses and training related to acquiring knowledge, skills, and professional qualifications in non-school forms
94.12.Z - Activities of professional membership organisations
