Wojtech Wojciech Gilewski

70.20.Z - Business and management consultancy activities

60.39.Z - Other content distribution activities

61.90.A - Activities in other telecommunications fields

62.10.B - Programming activities

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

73.11.Z - Advertising agency activities

73.12.Z - Advertising through mass media

73.20.Z - Market research and public opinion polling

82.40.Z - Intermediary activities in business support services, not elsewhere classified

85.61.Z - Mediation in organizing courses and tutoring

95.10.Z - Repair and maintenance of computers and telecommunications equipment