Stadsdeelkantoor Loosduinen is a government office located in Den Haag, as per http://www.denhaag.nl. They provide various public services to the residents of the Loosduinen district, including issuing ID documents, driving licenses, and permits, as well as handling civil affairs, such as registering birth, marriage, or death instances. It is unclear whether they offer private insurance-related services based on the limited information provided.