Zusammenfassung:
Purpose: This research aims to demonstrate how portfolio management influences the decision-making process of the best projects for the company. Design/methodology/approach: In order to reach this goal, the single case study method was used. Initially, it was made a bibliometric with "portfolio management" subject followed by the term "decision-making". Thus, it was possible to do an analysis about the relationships between the themes. Findings: One of the findings of this research was the migration of the portfolio management process vision, from project controls tools to a process that aims at a strong alignment with the strategic management of the organization. This is an important point to academic implication. Research limitations/implications: The main academic implications of this research were to show how it is possible to construct a model about the relations between project portfolio management and decision-making. Practical implications: Regarding the practical implications, it was verified the importance of the analysis of the portfolio for decision-making, to the detriment of the evaluation of only one project. Social implications: Thus, the companies can now concentrate its efforts in the analysis of profitability and return on investment of the projects, assisting the whole process of decision-making. Originality/value: The portfolio management influences the decision-making process.