The core activity of SFCA AG encompasses three main areas:
1. **Financial Services**: The company provides consulting and brokerage services for financial services, including the brokerage of financing under favorable conditions.
2. **International Metal Trading**: SFCA AG trades in metal commodities such as cathodes, copper, aluminum, and others, and offers consulting and brokerage services for trading transactions.
3. **Import-Export Consulting and Construction**: The company provides consulting services for import and export matters and is also active in the construction industry in Switzerland.
Overall, the core activity of the company can be described as a combination of financial services, trading, and consulting in the field of international business.