Purpose - Public Private Partnership (PPP) has increased in popularity and is being used extensively in the construction market. For PPP projects already completed or for those in progress, the question is how effective are these projects? Do they meet their performance requirements and are they valuable to the stakeholders? How are PPP project performances assessed? The main target of this paper to cover the necessity of study key performance indicators (KPIs) that will measure and enhance PPP performance in Egypt. Design/methodology - A questionnaire survey was conducted to prioritize the main functional KPIs for PPP projects. Reliability analysis using the Cronbach's alpha was performed to check the internal consistency and reliability of the results. Finding - The result of this research will be to contribute to the existing understanding of PPP performance measurement of developing countries, by providing a framework for selecting KPIs to measure the PPP concessionaire performance.  Validation of results was done by PPP experts. Social - The partnership provides a competitive and transparent mechanism to pursue opportunities that bring together ideas, experiences and skills of both sectors and develop creative solutions to a community's needs. Originally/value - It is targeted that government adopts an evaluation system of concessionaire selection based on performance. The results could be used to create prediction models for evaluating PPP project performance.