SignalCheck Kamil Przyborowski

43.21.Z - Installation of electrical systems

33.13.Z - Repair and maintenance of electronic and optical devices

33.14.Z - Repair and maintenance of electrical devices

33.20.Z - Installation of industrial machinery, equipment, and devices

42.22.Z - Works related to the construction of telecommunications and electrical lines

43.24.Z - Installation of other building systems

46.43.Z - Wholesale trade of electrical household goods

46.50.Z - Wholesale trade of information and communication technology devices

47.40.Z - Retail sale of information and communication technology equipment

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

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

61.90.A - Activities in other telecommunications fields

61.90.B - Activities in other telecommunications fields

62.10.A - Programming activities

62.10.B - Programming activities

62.20.A - IT consulting and IT equipment management activities

62.20.B - 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

70.20.Z - Business and management consultancy activities

71.12.B - Engineering activities and related technical consultancy

74.14.Z - Other specialized design activities

74.99.Z - All other professional, scientific and technical activities, not elsewhere classified

80.09.Z - Other security activities, not elsewhere classified

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

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