PIOTR SIENKOWSKI

62.01.Z - Computer programming activities

32.40.Z - Manufacture of games and toys

46.51.Z - Wholesale of computers, peripheral equipment and software

47.19.Z - Other retail sale in non-specialised stores

47.41.Z - Retail sale of computers, peripheral units and software in specialised stores

47.65.Z - Retail sale of games and toys in specialised stores

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

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

58.21.Z - Publishing of computer games

58.29.Z - Other software publishing

62.02.Z - Computer consultancy activities

62.03.Z - Computer facilities management activities

62.09.Z - Other information technology and computer service activities

63.11.Z - Data processing, hosting and related activities

63.12.Z - Web portals

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

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