factors affecting the success of outsourcing it projects of ahvaz water and wastewater company by the best-worst method

Background: outsourcing is one of the possible solutions in which an organization decides to separate the information technology (it) related tasks and provide them to another organization for supply. the purpose of this study is to identify and ranking the factors affecting the success of outsourcing it projects of ahvaz water and wastewater company by the best-worst method. the design of the study is exploratory and survey type.methods: the population of this research consists of the director of the information technology and e-government development office with 1 person and the information technology staff with 14 people of ahvaz water and sewerage company. due to the small size of the population, no sampling was done and all members were surveyed through a census. data collection tool was a questionnaire and delphi method and best-worst methods were used to analyze the data. based on the findings of the delphi method, 7 factors (strategic importance of the project, project characteristics, contractor characteristics, technology characteristics, company characteristics, information technology costs and the quality of relationship with the contractor) and 26 sub-factors were identified.results: the strategic importance of the project with a weight of 0.2868 is the most important factor and the quality of the relationship with the contractor with a weight of 0.05 is the least important factor.conclusion: the findings of this study can be used for other institutions and public organizations and to play the role of a conductor for future researches in other institutions or organizations.y