Marcin Kołodziejczyk

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

62.01.Z - Computer programming 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

70.22.Z - Business and other management consultancy activities

73.20.Z - Market research and public opinion polling