ABSTRACT This research aims to examine the effect of professional ethics, locus of control, and financial compensation to the tax auditors performance at KPP in the Direktorat Jenderal Pajak Riau. The data in this study is the primary data. The population in this study were the tax auditors who worked at KPPin the Direktorat Jendereal Pajak Riau. The sampling method used in this study saturate…