Corporation information providing device, method, and system

摘要

PROBLEM TO BE SOLVED: To create updated new corporation information in an early stage at low cost, and obtain credit with high reliability.SOLUTION: A corporation information providing device comprises: a storage part 102 for storing telephone subscription corporation information and telephone number use history information acquired by an outgoing inspection of a telephone number; and a processing part 101 for creating or updating corporation information including a corporation name, a corporation telephone number, and use history information of the corporation telephone number by referring to the telephone subscription corporation information and telephone number use history information. The processing part 101 refers to the updated telephone subscription corporation information, extracts a telephone number included in the updated telephone subscription corporation information, acquires history information of the telephone number extracted from the telephone number use history information, and changes information which has to be changed among pieces of information included in the corporation information corresponding to the updated telephone subscription corporation information on the basis of the history information of the extracted telephone number, and the updated telephone subscription corporation information. When a name of a credit object corporation being an inspection object corporation is input, corporation information of the corporation being the credit object, is output.