4Corps Adam Grzejszczyk - Wspólnik spółki cywilnej

62.10.B - Programming activities

26.20.Z - Manufacture of computers and peripheral equipment

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

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

47.55.Z - Retail sale of furniture, lighting equipment, tableware, and other household articles

58.29.Z - Publishing of other software

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

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

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