The purpose of this research was to investigate the implementation of customer complaint handling in CV Ratno Sanusi Advertising and to evaluate the customer complaint handling in CV Ratno Sanusi Advertising. The methods of collecting the data used for this research were primary data and secondary data. The primary data were obtained by direct observation in CV Ratno Sanusi Advertising. Data were taken by interview technique, observation and library studies. The writing method of this final project, used descriptive writing method. The customer complaint handling in CV Ratno Sanusi Advertising uses three types. The first type is customer complaint handling by partners, complaint handling of this type cause problems in the implementation. The second type is customer complaint handling by the company but does not require procurement of goods in handling process, and the last type is customer complaint handling by the company but requires procurement of goods in handling process. All complaints of the second and third types can be handled by the company. The recommendations for this problems are selecting the prospective partners who will be invited to cooperate. Then a supervisor (coordinator) is needed to perform monitoring during the process of making and installing billboards on an ongoing basis. The company should also increase the number of employees.