The following job sufficiency report aims to make a proposal to improve the customer service of the Trujillo Caja Huamachuco headquarters to increase the level of customer satisfaction .; The main problem is the low level of customer satisfaction at Caja Trujillo Huamachuco headquarters is a vital factor since any error in customer service would result in a complaint and therefore a dissatisfied customer who will transmit this discomfort to others potential customers. To increase customer satisfaction, a service must be provided above the quality expected by users, who can choose among other entities that meet their expectations. I reach the following conclusions the present study to the company Caja Trujillo Huamachuco headquarters is that it does not provide good satisfaction to customers, because it does not give them good attention, information, a good future promise and added value....