Sergiusz Trzeciak

73.30.B - Other public relations and communications activities

18.12.Z - Other printing

18.13.Z - Service activities related to printing preparation

18.20.Z - Reproduction of recorded media

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

55.20.Z - Tourist accommodation and short-term accommodation facilities

58.11.Z - Publishing of books

58.12.Z - Publishing of newspapers

58.19.Z - Other publishing activities, excluding software publishing

60.39.Z - Other content distribution activities

62.10.B - Programming activities

62.20.B - IT consulting and IT equipment management activities

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

68.20.Z - Rental and management of own or leased real estate

70.20.Z - Business and management consultancy activities

73.11.Z - Advertising agency activities

73.12.Z - Advertising through mass media

73.20.Z - Market research and public opinion polling

74.99.Z - All other professional, scientific and technical activities, not elsewhere classified

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

85.59.D - Other non-school forms of education, not classified elsewhere

85.69.Z - Educational support activities, not classified elsewhere

90.12.Z - Creative activities in visual arts

90.13.Z - Other creative activities

91.30.Z - Conservation and restoration activities and other supporting activities for cultural heritage