The present research work developed with the purpose of demonstrating the Service Quality and its Influence on Taxpayer Satisfaction of the Tax Administration - SATT year 2015 ". The research problem is related to the following question: ¿How does the quality of service affect the satisfaction of taxpayers of the Tax Administration-SATT year 2015, Highlighting as a study variable: independent variable: Quality of Service; and dependent variable: Taxpayer Satisfaction. The population under study was made up of 94865 taxpayers from the Tax Administration -SATT year 2015, from which a representative sample of 386 taxpayers was established. This research was developed with a descriptive Transectional investigation design. In this way the methods applied were Deductive – Inductive, Analytical, Synthetic, Statistical and finally the following research techniques were applied: observation an...