Krzysztof Śliwa IT

62.02.Z - Computer consultancy activities

62.01.Z - Computer programming activities

62.09.Z - Other information technology and computer service activities

70.22.Z - Business and other management consultancy activities

71.20.B - Other technical testing and analysis

72.19.Z - Other research and experimental development on natural sciences and engineering

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

82.11.Z - Office administrative service activities

85.51.Z - Out-of-school forms of sports and leisure education

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

93.19.Z - Other sports activities