Jacek Szymański

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

18.12.Z - Other printing

18.13.Z - Service activities related to printing preparation

18.20.Z - Reproduction of recorded media

26.20.Z - Manufacture of computers and peripheral equipment

33.12.Z - Repair and maintenance of machinery

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

43.21.Z - Installation of electrical systems

47.19.Z - Retail trade

47.41.Z - Retail trade

47.42.Z - Retail trade

47.43.Z - Retail trade

47.59.Z - Retail trade

47.65.Z - Retail trade

47.91.Z - Intermediary retail sale, non-specialized

47.99.Z - Retail trade

58.19.Z - Other publishing activities, excluding software publishing

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

73.12.C - Advertising through mass media

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

77.39.Z - Rental and leasing of other machinery, equipment, and tangible assets, 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