Krzysztof Gersz Consulting

70.22.Z - Business and other management consultancy activities

45.11.Z - Sale of cars and light motor vehicles

68.10.Z - Buying and selling of own real estate

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

72.19.Z - Other research and experimental development on natural sciences and engineering

73.11.Z - Advertising agencies activities

73.20.Z - Market research and public opinion polling

77.40.Z - Leasing of intellectual property and similar products, except copyrighted works

85.59.B - Other out-of-school forms of education, not elsewhere classified