Consulting, representation, brokerage, marketing, support and promotion of athletes, sportsmen and sports clubs (or sports clubs) in all sporting, personal, economic and legal matters, in particular in the areas of football and tennis, provision of all services in marketing, advertising, consulting in sports and show business as well as in related fields, purchase and sale as well as encumbrance and management of real estate and securities in Switzerland and abroad; complete purpose description according to the articles of association