Grzegorz Sieniawski Media

74.90.Z - Other professional, scientific and technical activities, not elsewhere classified

62.01.Z - Activities related to programming, IT consulting, and related activities

62.02.Z - Activities related to programming, IT consulting, and related activities

62.03.Z - Activities related to programming, IT consulting, and related activities

62.09.Z - Activities related to programming, IT consulting, and related activities

63.11.Z - Services related to computing infrastructure, data processing, website management (hosting), and other information services

63.12.Z - Services related to computing infrastructure, data processing, website management (hosting), and other information services

63.91.Z - Portal and search engine activities

63.99.Z - Services related to computing infrastructure, data processing, website management (hosting), and other information services

73.11.Z - Advertising agency activities

73.12.A - Advertising through mass media

73.12.B - Advertising through mass media

73.12.C - Advertising through mass media

73.12.D - Advertising through mass media

73.20.Z - Market research and public opinion polling

85.60.Z - Educational support activities

90.01.Z - Creative activities and activities related to the staging of artistic performances

90.02.Z - Creative activities and activities related to the staging of artistic performances

90.03.Z - Creative activities and activities related to the staging of artistic performances

90.04.Z - Creative activities and activities related to the staging of artistic performances

93.11.Z - Sports facility activities

93.13.Z - Fitness club activities

93.19.Z - Sports activities, not elsewhere classified

93.21.Z - Amusement park and theme park activities

95.11.Z - Repair and maintenance of computers, personal and household goods, and motor vehicles, including motorcycles

95.12.Z - Repair and maintenance of computers, personal and household goods, and motor vehicles, including motorcycles

95.21.Z - Repair and maintenance of electronic equipment for general use

95.22.Z - Repair and maintenance of household appliances and equipment for household and gardening use

95.23.Z - Repair and maintenance of footwear and leather goods

95.24.Z - Repair and maintenance of furniture and household furnishings

95.25.Z - Repair and maintenance of clocks, watches, and jewelry

95.29.Z - Repair and maintenance of personal and household goods, not elsewhere classified