The core activity of Octopus 1987 encompasses three main areas:
1. **Real Estate**: The company offers services in the real estate market, including the purchase, sale, and rental of properties through its subsidiary "Jurassic Home".
2. **Hospitality**: Octopus 1987 is also active in the hotel industry, although the specific services are not specified.
3. **Tourist Promotion**: The company also offers services in the field of tourism promotion, including the organization of activities and programs for tourists through its subsidiary "Welcome To Swiss Jura".
In addition, Octopus 1987 provides other services, such as car rental through its subsidiary "Prends-moi.ch" and concierge services.