OPTIMAL WORK GRZEGORZ STACHNIK

70.22.Z - Business and other management consultancy activities

46.19.Z - Agents involved in the sale of a variety of goods

47.91.Z - Retail sale via mail order houses or via Internet

47.99.Z - Other retail sale not in stores, stalls or markets

58.11.Z - Book publishing

58.12.Z - Publishing of directories and registers (e.g. street, phone directory)

58.19.Z - Other publishing activities

63.12.Z - Web portals

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