Marcin Szczepański

62.10.B - Programming activities

18.13.Z - Service activities related to printing preparation

58.21.Z - Publishing of computer games

58.29.Z - Publishing of other software

59.11.Z - Activities related to the production of films, video recordings, and television programs

59.12.Z - Post-production activities related to films, video recordings, and television programs

59.20.Z - Sound recording and music publishing activities

60.20.Z - Broadcasting of general-access and subscription-based television programs and distribution of video recordings

60.39.Z - Other content distribution activities

62.10.A - Programming activities

62.90.Z - Other IT and computer-related services

63.10.D - Services related to computing infrastructure, data processing, website management (hosting), and related activities

63.91.Z - Portal and search engine activities

73.11.Z - Advertising agency activities

73.12.Z - Advertising through mass media

74.12.Z - Graphic design and visual communication activities

85.51.Z - Non-school forms of sports education and recreational and sports activities

90.11.Z - Literary activities and activities related to composing music

90.12.Z - Creative activities in visual arts

90.13.Z - Other creative activities

91.30.Z - Conservation and restoration activities and other supporting activities for cultural heritage