This article reports the second stage of exploratory study regarding the adoption of information technology outsourcing (ITO) by Mexican companies. The article aims to answer the following questions: What are the managerial practices of ITO used by Mexican companies? And what is the impact of those practices on the results and benefits of ITO? Based on a survey of 152 companies, the study reports the following results: Most of the companies missed to adopt best managerial practices of ITO. However, failing to adopt best practices did not prevent companies from reaching positive ITO results. The main benefits reported are that ITO helped to reduce costs, foster organizations’ capabilities to face market changes, take advantage of the providers’ experience, and achieve scale economies. These results are important to practitioners and researchers.