This work, through a survey on client satisfaction of a construction material company intends to pick out the attributes that clients consider as factors that interfere in the perception of satisfaction relative to the products and services of Serraria Jacaré Ltda., aiming towards the improvement of service performance allowing for greater client satisfaction. The accomplishment of this work required a bibliographical research on service quality and client satisfaction, a qualitative research based on interviews and a survey as a means to client satisfaction. Last of all, an analysis of the achieved results and recommendations for the referred company - Serraria Jacaré - was done.