Maciej Marczyński MGMT

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

58.29.Z - Publishing of other software

61.10.Z - Activities in the field of wired, wireless, and satellite telecommunications

61.90.Z - Activities in other telecommunications fields

62.01.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

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

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

85.59.B - Courses and training for acquiring knowledge, skills, and professional qualifications in non-school forms

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