OptiBuy Marcin Tokarczyk

70.22.Z - Business and other management consultancy activities

58.11.Z - Book publishing

58.19.Z - Other publishing activities

58.29.Z - Other software publishing

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

63.12.Z - Web portals

63.99.Z - Other information service activities not elsewhere classified

73.20.Z - Market research and public opinion polling

82.30.Z - Organisation of conventions and trade shows

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