The core activity of Teichmann International AG encompasses two main areas: 1. **Consulting**: The company provides consulting services in various fields, including Compliance, Controlling, Cross-cultural Challenges, Human Resources Management, Leadership, Marketing, Organizational Behavior, Real Estate, Social Responsibility and Sustainability, Supply Chain Management, and Tax. 2. **Family Office**: The Family Office area offers services to private clients, including independent wealth management, concierge services, and solutions for everyday problems such as event planning and career services. In addition, the company also provides legal services, including attorney and notary services.