Marcin Zielonka OptiCom

70.20.Z - Business and management consultancy activities

46.19.Z - Activity of agents involved in wholesale trade of non-specialized goods

46.50.Z - Wholesale trade of information and communication technology devices

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

47.69.C - Retail sale of other cultural and recreational products, not elsewhere classified

47.91.Z - Intermediary retail sale, non-specialized

47.92.Z - Intermediary retail sale, specialized

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

68.11.Z - Buying and selling real estate on own account

73.11.Z - Advertising agency activities

73.20.Z - Market research and public opinion polling

73.30.B - Other public relations and communications activities

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

82.10.Z - Office administrative support activities, including related services

82.30.Z - Activities related to organizing fairs, exhibitions, and congresses

82.99.B - Other business support activities, not elsewhere classified

93.19.Z - Sports activities, not elsewhere classified

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