An elevator system includes a group control device controlling a plurality of elevators as a group, a security gate mounted with a personal identification device that identifies a passing user and issues identification information, an access control device that issues validation information based on the information about the user included in the identification information, a communication device transmitting a service floor call registration request for each user to the group control device based on the validation information, an assignment controlling function that is provided on the group control device to determine the elevator assigned pursuant to the service floor call registration request for each user, and issue assigned elevator information for each user, and an assigned elevator notification device installed on the security gate to notify each user of the assigned elevator information.