The research question this study poses is how to measure the efficiency of project management activities. The purpose of this article is to quantify the efficiency of the execution of a project portfolio managed by a project management office (PMO) structure. The research subject is a PMO operating within a petrochemical manufacturing company in southern Brazil. https://www.diegojavierfares.com/limited-save-1-64-Lowndes-2010-Triple-Eight-Race-Engineering-Suits-Holden-VE-Commodore-64168-special-save/