This thesis examines business taxpayers’ satisfaction with the tax system. The study focuses onrnexamining the views of taxpayers toward the tax taxpayers’ services, tax policy, taxrnadministrative mechanism, and tax law enforcement.rnThe study adopted a sequential explanatory mixed method research approach The data wasrncollected from federal business taxpayers through questionnaire and in-depth interview andrndescriptive. The collected was analyzed using descriptive data analysis.rnThe findings of this study shows that business taxpayers are not satisfied with the existing taxrnsystems. The ways tax authority provides tax information to taxpayers, tax collection and taxrnrefund, administration capability to solving taxpayers’ problem and the area of tax auditrnprocedures are found to be the major dissatisfied areas. Moreover the finding revealed that therntax system is so complex and unfair, discretionary treatment by officers and existent of lack ofrnmonitoring in the tax authority. Finally, the thesis suggests a series of measures which could berntaken by the government in general and tax authorities in particular are; improving tax policyrnand administration issues; step up their duty of promoting tax awareness, tax officers should berngiven intensive and repetitive training to improve their attitude and promoting code of conductrnwith emphasis on ethical values and finally, tax refund procedure would be improved