A Research Report Submitted to the School of Business in Partial Fulfillment for the Requirements of the Award of Master of Business Administration Degree of Mzumbe University.The overall purpose of the research was to assess the effects of employees’ Job Satisfaction on work performance in Jubilee Insurance Company. The study also took a wide role by looking at the most influencing factors affecting Job Satisfaction in Jubilee Insurance Company on the basis of the factors that were presumed to affect Job Satisfaction included, payment, and teamwork, opportunities for promotion, Job security and working conditions. The following specific objectives were covered; first was to explore the factors that influence job satisfaction, second was to assess work performance in theJubilee Insurance Company, and third was to find out the relationship between Job satisfaction and work performance. The study adopted a case study research design. The area of the study was Jubilee Insurance Company. The total population was 30 employees. Purposive sampling technique was applied. Employees were divided in four categories, namely, operation staff, middle staff, senior staff and the management. Data was obtained through a questionnaire and the analysis was done with the help of SPSS. The study shows that a high percent of employees are not satisfied with pay and opportunities for promotion and to a large extent they are not motivated by them too. Factors like working condition, job security, supervision and leadership, team work, organizational policy,technological change and organizational culture affects employees’ performance in Jubilee Insurance Company. The study recommends that, Jubilee Insurance Company should improve the whole compensation package and promotion opportunities, to make sure that they relate to the