Grzegorz Stefan

70.22.Z - Head office activities and management consultancy

33.12.Z - Repair and maintenance of machinery

46.69.Z - Wholesale trade

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

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

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

64.99.Z - Other financial services, except insurance and pension funds, not elsewhere classified

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

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

77.12.Z - Rental and leasing of trucks

81.21.Z - General cleaning of buildings

81.29.Z - Services related to maintaining buildings and landscaping

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

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

96.01.Z - Individual service activities