Szlachetko Mariusz "MarAnn Computer Systems"

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

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

46.51.Z - Wholesale trade

46.52.Z - Wholesale trade

47.41.Z - Retail trade

47.42.Z - Retail trade

47.43.Z - Retail trade

58.11.Z - Publishing of books

58.13.Z - Publishing of journals and periodicals

58.14.Z - Publishing activities

58.19.Z - Other publishing activities, excluding software publishing

58.29.Z - Publishing of other software

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

61.20.Z - Activities related to the resale of telecommunications services and telecommunications mediation

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

63.91.Z - Portal and search engine activities

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

70.22.Z - Head office activities and management consultancy

73.11.Z - Advertising agency activities

74.10.Z - Specialized design activities

77.11.Z - Rental and leasing of passenger cars and light motor vehicles

77.33.Z - Rental and leasing of office machinery and equipment, including computers

82.19.Z - Office administrative support activities and other business support services

82.99.Z - Other business support activities, not elsewhere classified

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

85.60.Z - Educational support activities

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

95.21.Z - Repair and maintenance of electronic equipment for general use