GREŃ COMMUNICATION SPÓŁKA JAWNA

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

58.11.Z - Publishing of books

58.19.Z - Other publishing activities, excluding software publishing

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

73.20.Z - Market research and public opinion polling

77 - Rental and leasing

79.90.C - Other reservation services and related activities

85.59.A - Foreign language education