Organizations have sought new ways to stand out in competitive scenarios by applying different strategies. Among these strategies, can highlight new forms of relationship between companies, in the context of purchasing management. Suppliers are links that need to be noted, as the provision of their products or the provision of services in ways that go beyond the definition of price, quantity and delivery time. This work, therefore, is devoted to propose a methodology for evaluating outsourced service distributor of electric utility Celpa, using results of the questionnaire applied to the two managers involved in the process of hiring services, strategic portfolio purchases and Analytic Hierarchy Process, AHP. AHP was used to identify the criteria for measuring the performance of providers of distributing utilities, creating a ranking of the importance from these criteria. The two managers have defined different degrees of importance to each criterion and sub-criteria, however as the consolidated results, the test shows that the Technical Performance showed the greatest importance, followed by the Performance Security and Administration. The ranking of outsourcing companies has also performed in Outsourced 1 was considered the best placed. This review is helpful for improving the relationship between suppliers and the company, it is possible to analyze performance and identify companies capable of achieving better service and align expectations in showing that it is important to focus their efforts and considered relevant to the buyer or contractor.