Piotr Brzozowski

70.22.Z - Business and other management consultancy activities

45.31.Z - Wholesale trade of motor vehicle parts and accessories, excluding motorcycles

62.02.Z - Computer consultancy activities

63.11.Z - Data processing, hosting and related activities

63.12.Z - Web portals

71.12.Z - Engineering activities and related technical consultancy

71.20.B - Other technical testing and analysis

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

74.10.Z - Specialised design activities

74.90.Z - Other professional, scientific and technical activities not elsewhere classified

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