A Dissertation Submitted in Partial Fulfillment of the Requirements for Award of the Degree of Master of Business Administration (MBA) of Mzumbe University.This research study aimed at assessing the contribution of the Savings and Cooperative Society named Tandale and WAT SACCOS on how they have helped to contribute to the improvement of the livelihood of its members. There has never been consistency in the documentation of the institutional performance of the microfinance institutions, (Tandale and WAT SACCOS being one among) on how they are helping their members in improving their livelihood. This has been the research problem and the researcher has used the case study of Tandale and WAT SACCOS to work on it. The study used the Key Informants Interview and Focus Group Discussion in the field data collection. The documentary review of the documents relevant to the study has been done too. The researcher used a case study research design and developed a qualitative analysis of the research findings. The researcher findings reflected the activities done by Tandale and WAT SACCOS. The researcher has made a clear discussion on the discussion of the findings in relation to the research objectives. The clear interpretation of the obtained data has enabled precise description of the research study by the researcher. In general, the research objectives reflected the conditions and procedures of taking a loan at the Tandale and WAT SACCOS, researcher also assessed the way the conditions and procedures have been helpful in helping the members to improve their livelihood, assessed the contribution of the Tandale and WAT SACCOS in the economic growth and income-generating activities of its members and obtained the views of the members on what can be done further to improve their livelihood. The researcher concludes the study in a clear manner and provides recommendations that can be useful to Tandale SACCOS, WAT SACCOS, and any other like-minded SACCOS group or microfinance institution in Tanzania.