-Repairs and maintenance of copies of historical instruments - harpsichord
-Operation of cultural, cultural-educational and entertainment facilities, organization of cultural productions, entertainment, exhibitions, fairs, shows, sales and similar events
- Extracurricular education and training, organization of courses, training, including lecturing activities
-Advisory and consulting activities, processing of professional studies and assessments
-Wholesale and retail
- Mediation of business and services
-Publishing activities