The purpose of present invention, related to on-line, real estate and reform the client requests for mediating the reforming and company. Therefore, the system of the present invention the reforming, and a means for registering requests for reforming, reforming the registered reform company estimate request and output means for outputting the contents of, the request to estimate reforming, reforming estimation from a company and registering means, estimation is registered in a remodeling company of reforming company is selected from the destination in response, and a means for registering the order. Designated by reforming, reforming requests execution can register only company reforming, reforming estimation request to output the content of such a configuration is also possible. Further remodeling estimate is requested, for representing the image of construction, to be referred to as a constitution including information relating to reform examples are also possible.