Krzysztof Brzyski

62.01.Z - Computer programming activities

62.02.Z - Computer consultancy activities

62.03.Z - Computer facilities management activities

62.09.Z - Other information technology and computer service activities

63.11.Z - Data processing, hosting and related activities

63.12.Z - Web portals

63.99.Z - Other information service activities not elsewhere classified

70.21.Z - Public relations and communication activities

70.22.Z - Business and other management consultancy activities

82.11.Z - Office administrative service activities

82.19.Z - Photocopying, document preparation and other specialised office support activities

95.11.Z - Repair and maintenance of computers and peripheral equipment

95.12.Z - Repair and maintenance of (tele)communication equipment