"Citadel Servers" is a company that provides server hosting services. It has mixed reviews from customers. Some customers have praised the company for its quick setup, great support, and server performance. However, there are also negative reviews where customers have reported poor server performance and customer service. Some customers have even claimed that the company continued to charge their card even after cancellation. Therefore, it's recommended to do thorough research and consider these reviews before deciding to use their services.