A Dissertation Submitted to Mzumbe University, Dar es Salaam Campus College in Partial Fulfillment of the Requirements for the Award of the Degree of Master of Science in Procurement and Supply Chain Management (MScPSCM) of Mzumbe University 2013This research titled “Assessment of the effectiveness of outsourcing services in quality service delivery in Public Sectors. The study was carried out at Tanzania Institute of Accountancy – Dar es Salaam campus. The purpose of the study is to assess the effectiveness of outsourcing services in quality service delivery in Public Sectors. Mostly public institution outsourced their services which looked to be none core activities, in order to concentrate to core activities pertaining to their institution and giving none core activities to be performed by specialized supplier, who will perform better and at low cost. Though Public sectors have outsourced their none core activities to be performed by specialized supplier/ service provider but some of them have / have not performed as intended for the purposes of providing quality services and this has led a lot of problem to the institution. Government and other stakeholder put emphasis the effective usage of government fund for the purpose of maintaining or providing quality services to the general public and value for money spend. The idea behind public sector reform at 1990’s was to ensure government resources are used prudently while the Government and public sector concentrate move on provision of core services and enlighten their burden. This study draws attention to two significant areas; how effective are outsourced services, in the overall paradigm of quality services delivery in public sector but on the other hand, it underpins the primary objective of the government to ensure quality delivering of outsourced services through stringent mechanism of evaluation and systematic performance measures. The researcher really hope that output from this study shall be of practical use to TIA