SOLIDE WALERIAN MAJEWSKI

70.20.Z - Business and management consultancy activities

58.29.Z - Publishing of other software

60.39.Z - Other content distribution activities

62.10.B - Programming activities

62.20.B - IT consulting and IT equipment management activities

62.90.Z - Other IT and computer-related services

63.10.D - Services related to computing infrastructure, data processing, website management (hosting), and related activities

63.92.Z - Other information-related services

73.11.Z - Advertising agency activities

73.12.Z - Advertising through mass media

74.99.Z - All other professional, scientific and technical activities, not elsewhere classified

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

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

85.59.D - Other non-school forms of education, not classified elsewhere