Michał Mastalerz

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

26.20.Z - Manufacture of computers and peripheral equipment

26.30.Z - Manufacture of (tele)communication equipment

26.51.Z - Manufacture of measuring, controlling, and navigation instruments

47.41.Z - Retail trade

47.91.Z - Intermediary retail sale, non-specialized

47.99.Z - Retail trade

58.29.Z - Publishing of other software

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

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

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

70.22.Z - Head office activities and management consultancy

71.12.Z - Engineering activities and related technical consultancy

71.20.B - Inspection and issuing opinions on the technical condition of chimneys and ventilation ducts

72.19.Z - Scientific research and development activities

73.11.Z - Advertising agency activities

73.12.C - Advertising through mass media

74.10.Z - Specialized design activities

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