An information processing system including an information processing apparatus and a service providing system mutually communicating through a network, wherein the information processing apparatus includes a display process unit to cause a screen of a display device to display a process flow that defines an execution order of processes executed by the service providing system, and a setup reception unit to receive a setup, in which predetermined processes related to first and second external services are associated, and the display process unit displays the processes to be executed in the execution order, and an issue that the setup reception unit has received the predetermined processes related to the first and second external services in association with each other, the service providing system includes a process flow execution unit to execute the processes included in the process flow transmitted from the information processing apparatus in the defined execution order.