63.11.Z - Data processing, hosting and related activities
62.09.Z - Other information technology and computer service activities
69.20.Z - Accounting, bookkeeping and auditing activities; tax consultancy
70.22.Z - Business and other management consultancy activities
73.11.Z - Activities of advertising agencies
77.33.Z - Rental and leasing of office machinery, equipment and computers
81.21.Z - General cleaning of buildings
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