69.20.Z - Accounting, bookkeeping and auditing activities; tax consultancy
62.02.Z - Computer consultancy activities
66.19.Z - Other activities auxiliary to financial services, except insurance and pension funding
70.22.Z - Business and other management consultancy activities
74.90.Z - Other professional, scientific and technical activities not elsewhere classified
77.33.Z - Rental and leasing of office machinery, equipment and computers
82.11.Z - Office administrative service activities
82.19.Z - Photocopying, document preparation and other specialised office support activities
82.99.Z - Other business support service activities not elsewhere classified
85.59.B - Courses and training related to acquiring knowledge, skills, and professional qualifications in non-school forms