Katarzyna Sajdak

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

58.11.Z - Book publishing

58.19.Z - Other publishing activities

73.11.Z - Advertising agencies activities

74.30.Z - Translation and interpretation activities

82.11.Z - Office administrative service activities

82.19.Z - Photocopying, document preparation and other specialised office support activities

82.30.Z - Organisation of conventions and trade shows

82.92.Z - Packaging activities