A device management apparatus that mediates between an owner of a device and a user who is not the owner of the device in order to permit the user to use the device, includes a device information storage section in which information on each of a plurality of devices is registered, an acquisition section which acquires a desired condition from a user, and a matching process section which performs matching between the desired condition acquired from the user and the information on each device registered in the device information storage section thereby selecting a device satisfying the desired condition as a target device, generating contract information related to the use of the target device between an owner of the target device and the user, and granting a control right of the target device to the user.