JPW Mariusz Kowalczyk

73.11.Z - Advertising agency activities

47.12.Z - Other non-specialized retail trade

47.78.Z - Retail sale of other new products

47.91.Z - Intermediary retail sale, non-specialized

47.92.Z - Intermediary retail sale, specialized

60.39.Z - Other content distribution activities

62.10.B - Programming activities

62.20.A - IT consulting and IT equipment management 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

73.20.Z - Market research and public opinion polling

73.30.B - Other public relations and communications activities

85.59.D - Other non-school forms of education, not classified elsewhere

85.69.Z - Educational support activities, not classified elsewhere