The main objective of this paper was to study the impacts of the Improving Livestock Marketing Project (ILMP) which aimed at improving the marketing efficiency by rehabilitation of Sinjah and Damazin livestock markets in Blue Nile and Sennar States. The study was based on both primary and secondary data. Questionnaires and interviews with Locality Implementation Unites officers were used as primary data. The markets intermediators were targeted, while secondary data were obtained from different sources related to the study area. Descriptive statistics analysis and calculation of the marketing margins were used as tools of analysis. The study revealed that the project have great impacts on intermediators and surrounded area because it improve access to regular updates on animal prices information, increase marketing deals, increase beneficiates outputs and income, created jobs for surrounding communities which acted to improve their livelihoods and reduced poverty. Ministry of Livestock, Fisheries and Rangelands (MLFR) through Multi Donor Trust Fund (MDTF) for the development and rehabilitation of livestock markets is commendable and recommended that, MLFR should consider the challenges in marketing systems specifically on market management to make these rehabilitated markets more attractive. Livestock markets management and markets board should work to decrease the number of intermediators involved in livestock marketing for the benefit of the primary producers.