Participatory decision making and job satisfaction is very crucial in organizations. Because it gives new skills needed to perform their job effectively and develop a quality work force. The study is about participatory decision making and its impact on job satisfaction in case of Ethiopian Police University College. The study were conducted by gathering information related though reviewing books and documents in addition to the main primary source of information questionnaire both open and closed ended questions that were distributed to employees selected by simple random sampling technique. The sample size was about 48% of the total population of 1372 employees of University College which are working administration area. These employees study were subjected to the employee ' Ethiopian police's University College were managerial and non-managerial staffs. After the desired information was gathered, it was precisely analyzed using tables, percentages and generalization. Generally, more than half of the employees did not take part in the process of decision making. As a result this becomes a ground for employee's dissatisfaction and awarding employees about the objective of taking.