Let IT - Grzegorz Letkiewicz

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

26.20.Z - Manufacture of computers and peripheral equipment

43.21.Z - Installation of electrical systems

58.11.Z - Publishing of books

58.29.Z - Publishing of other software

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

62.02.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

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

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

95.12.Z - Repair and maintenance of computers, personal and household goods, and motor vehicles, including motorcycles

45.11.Z

45.19.Z