I. MS Konsulting Marlena Śliwińska II. MJMS Nieruchomości Marlena Śliwińska

70.22.Z - Head office activities and management consultancy

68.20.Z - Rental and management of own or leased real estate

68.31.Z - Real estate brokerage

70.21.Z - Head office activities and management consultancy

73.11.Z - Advertising agency activities

73.12.A - Advertising through mass media

73.12.B - Advertising through mass media

73.12.C - Advertising through mass media

73.12.D - Advertising through mass media

73.20.Z - Market research and public opinion polling

74.30.Z - Translation and interpretation activities

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

82.11.Z - Office administrative support activities and other business support services

82.19.Z - Office administrative support activities and other business support services

82.30.Z - Activities related to organizing fairs, exhibitions, and congresses

82.99.Z - Other business support activities, not elsewhere classified

85.59.A - Foreign language education

85.59.B - Courses and training for acquiring knowledge, skills, and professional qualifications in non-school forms

85.60.Z - Educational support activities