KRZYSZTOF ZIĘTEK IT4TECH

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

50.10.Z - Sea and coastal passenger transport

50.30.Z - Inland waterway passenger transport

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

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

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

70.21.Z - Head office activities and management consultancy

70.22.Z - Head office activities and management consultancy

77.21.Z - Rental and leasing of recreational and sports equipment

77.34.Z - Rental and leasing of water transport equipment

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

93.29.A - Escape rooms, haunted houses, dance venues, and other entertainment or recreational activities organized in enclosed spaces

93.29.B - Other entertainment and recreational activities, not elsewhere classified

96.09.Z - Individual service activities