The document provides an overview of the Organizational Project Management Maturity Model (OPM3). It discusses key concepts such as organizational project management, the OPM3 concept and maturity levels, and the OPM3 cycle. The OPM3 aims to assess and improve an organization's maturity in applying project management principles. It identifies over 600 best practices and their capabilities. Conducting an OPM3 assessment allows an organization to evaluate its current state and identify areas for improvement to better link projects to strategic goals.