Thailand Securities Depository Co., Ltd. (TSD) offers securities registration service which mainly covers the functions of preparing and maintaining the Register Book that contains details of securities and securities holders and verifying each entry made into the Register Book to ensure that the registration book contain correct and complete information. Our service is executed through the cutting edge and efficient computer system that has been developed to have a direct linkage to that of the Securities Depository Center. On the system-wise, we also have secured data storage and processing system with the corresponding back-ups ready for securing the continuity of our service. Also, our vault and data management systems have been in place to secure the rights of the securities holders and for verification and risk minimizing purposes.