Maciej Szymczyk - Wiadro Danych

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

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

58.29.Z - Other software publishing

59.11.Z - Motion picture, video and television programme production activities

62.01.Z - Computer programming activities

62.02.Z - Computer consultancy activities

62.03.Z - Computer facilities management activities

62.09.Z - Other information technology and computer service activities

63.12.Z - Web portals

73.11.Z - Advertising agencies activities

73.12.C - Intermediation in the sale of the place on advertising aims in electronic media (Internet)