MAREK CISZAK

70.22.Z - Business and other management consultancy activities

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

46.52.Z - Wholesale of electronic and telecommunications equipment and parts thereof

58.29.Z - Other software publishing

62.01.Z - Computer programming activities

62.02.Z - Computer consultancy activities

63.11.Z - Data processing, hosting and related activities

63.99.Z - Other information service activities not elsewhere classified

74.10.Z - Specialised design activities

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

78.30.Z - Other human resources provision

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