The company Zühlke focuses on business development, marketing, strategic marketing, innovation, and behavioral economics, particularly in the areas of commerce, retail, and consumer goods. It offers services such as customer relationship management, sales process optimization, and key account management. Additionally, the company is active in the healthcare sector, where it works on improving patient outcomes through science and technology. The core activity of the company can be described as 'Strategic consulting and services for companies in the commerce, retail, and healthcare sectors'.