Izabela Strzelecka Tresmar Consulting

70.22.Z - Business and other management consultancy activities

63.11.Z - Data processing, hosting and related activities

63.99.Z - Other information service activities not elsewhere classified

73.11.Z - Advertising agencies activities

73.20.Z - Market research and public opinion polling

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

79.90.A - Couriers on package tours and tour guides activities

82.30.Z - Organisation of conventions and trade shows

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