DARIUSZ ALEKSANDER SZOSTAK

69.20.Z - Accounting, bookkeeping and auditing activities; tax consultancy

62.02.Z - Computer consultancy activities

62.09.Z - Other information technology and computer service activities

63.99.Z - Other information service activities not elsewhere classified

64.99.Z - Other financial service activities, except insurance and pension funding not elsewhere classified

70.22.Z - Business and other management consultancy activities

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

82.11.Z - Office administrative service activities

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