ŁUKASZ DOBRZAŃSKI

62.01.Z - Computer programming activities

58.29.Z - Other software publishing

59.20.Z - Sound recording and music publishing activities

62.02.Z - Computer consultancy activities

62.03.Z - Computer facilities management activities

62.09.Z - Other information technology and computer service activities

63.11.Z - Data processing, hosting and related activities

63.12.Z - Web portals

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

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

90.01.Z - Performing arts activities