Arkadiusz Stefaniak

55.20.Z - Holiday and other short-stay accommodation

62.01.Z - Computer programming activities

62.02.Z - Computer consultancy activities

62.09.Z - Other information technology and computer service activities

70.22.Z - Business and other management consultancy activities

73.20.Z - Market research and public opinion polling

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

78.30.Z - Other human resources provision

82.99.Z - Other business support service activities not elsewhere classified

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