A service providing system includes one or more robots and an information processing apparatus communicably connected to the robots. The information processing apparatus acquires analysis information based on information in an area in which the robot provides a service, acquires robot state information from the robot, stores service information as information on the service, acquires one or more service triggers based on the analysis information, calculates a service effect based on at least any one of service information of a service corresponding to each of a plurality of service triggers, the robot state information, and the information acquired in the service providing area, the service effect being an effect of the service corresponding to each of a plurality of service triggers, selects a service trigger depending on the service effect, and causes the robot as a service execution subject to execute a service corresponding to the selected service trigger.