A management system includes a plurality of image forming apparatuses, a management computer, and a management server. The plurality of image forming apparatuses are arranged inside a common network. The management computer is arranged inside the network to manage the image forming apparatus. The management server is arranged outside the network to manage the image forming apparatus. The management computer transmits information on the image forming apparatus obtained from the image forming apparatus to the management server. The management server manages the information on the image forming apparatus received from the management computer.