Michał Śliwiński

73.11.Z - Advertising agencies activities

47.91.Z - Retail sale via mail order houses or via Internet

47.99.Z - Other retail sale not in stores, stalls or markets

58.19.Z - Other publishing activities

58.21.Z - Publishing of computer games

58.29.Z - Other software publishing

59.11.Z - Motion picture, video and television programme production activities

59.12.Z - Motion picture, video and television programme post-production activities

59.20.Z - Sound recording and music publishing activities

63.11.Z - Data processing, hosting and related activities

63.12.Z - Web portals

63.91.Z - News agency activities

63.99.Z - Other information service activities not elsewhere classified

73.12.C - Intermediation in the sale of the place on advertising aims in electronic media (Internet)

73.20.Z - Market research and public opinion polling

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

82.30.Z - Organisation of conventions and trade shows