Hubert Niewiadomski

62.01.Z - Computer programming activities

43.21.Z - Electrical installation

59.20.Z - Sound recording and music publishing activities

62.02.Z - Computer consultancy activities

62.03.Z - Computer facilities management activities

62.09.Z - Other information technology and computer service activities

63.11.Z - Data processing, hosting and related activities

63.12.Z - Web portals

72.19.Z - Other research and experimental development on natural sciences and engineering

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

85.52.Z - Out-of-school forms of cultural education

85.59.B - Other out-of-school forms of education, not elsewhere classified

85.60.Z - Educational support activities

90.01.Z - Performing arts activities

90.02.Z - Support activities to performing arts

90.03.Z - Artistic creation activities

95.11.Z - Repair and maintenance of computers and peripheral equipment

95.12.Z - Repair and maintenance of (tele)communication equipment

95.21.Z - Repair and maintenance of consumer electronics

95.22.Z - Repair and maintenance of household appliances and home and garden equipment