Krzysztof Szczerbacz

73.20.Z - Market research and public opinion polling

47.19.Z - Retail trade

47.25.Z - Retail trade of alcoholic and non-alcoholic beverages

47.61.Z - Retail sale of books

47.62.Z - Retail sale of newspapers, periodicals, and paper articles

47.63.Z - Retail sale of sports equipment

47.75.Z - Retail sale of cosmetics and toiletries

47.78.Z - Retail sale of other new products

47.79.Z - Retail sale of used products

47.91.Z - Intermediary retail sale, non-specialized

47.99.Z - Retail trade

56.10.A - Food service activities

56.30.Z - Beverage serving activities

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

63.12.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

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

70.21.Z - Head office activities and management consultancy

70.22.Z - Head office activities and management consultancy

73.11.Z - Advertising agency activities

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

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

90.03.Z - Creative activities and activities related to the staging of artistic performances