Empirical Research on the Influence of Audit Attestation Service on the Effectiveness of Internal Control in Information Technology Industry

Based on a series of realistic background about internal control system, such as "Audit Guidance for Enterprise Internal Control", this paper has taken the listed corporations in information technology industry as research samples and has studied the influence of audit attestation service on the effectiveness of enterprises´ internal control. It has found that: the audit attestation service offered by accounting firms helps to improve the effectiveness of internal control, compared with that by other accounting firms, the audit attestation service provided by the national top ten accounting firms contributes more to that improvement. These results have offered some empirical evidence support to the implementation of audit attestation for internal control, and also to the institutional arrangement for promoting the development of accounting firms. A feasible reference path has been presented to enhance the endurance the effectiveness of internal control.