The core activity of the company "Sprachschule & Übersetzungsdienst Weiss" consists of two main areas: 1. **Language School**: The company offers language courses in various languages (German, English, French, Italian, Russian, and Serbian), both in group and individual lessons. Courses are offered for different levels (A1-C1) and exam preparation courses. 2. **Translation Service**: The company provides translation services, including interpreting for various institutions (healthcare, social services, education), telephone interpreting, and the translation of written documents (court records, official documents, medical reports, etc.).