The core activity of Joe Zihlmann AG is the provision of services in the field of project and construction management, particularly in the following areas: Construction Management: Coordination and control of construction projects to ensure that everything runs according to plan and the construction site is a safe working environment. Project Management/Client Representation: Representation of clients vis-à-vis authorities, planners, companies, and third parties, as well as taking over operational project management. Construction Consulting: Development of renovation or renewal concepts based on condition analyses, consulting on construction projects, monitoring of ongoing work, and clarification of construction defects or damages. Overall, the company focuses on the professional accompaniment and control of construction projects to ensure optimal project execution.