When it comes to luxury property investment in Switzerland, conducting due diligence on developers is crucial. First, explore their portfolio to assess the quality of their previous projects. Next, delve into their reputation in the industry—seeking testimonials and feedback from past clients. Investigate their financial stability by examining their financial statements and collaborating with expert advisors. Lastly, scrutinize their legal compliance, ensuring they possess the necessary permits and licenses. By performing these essential steps, you can make an informed decision and mitigate the risks associated with luxury property investment in Switzerland.