TheROI (Return on Investment) of a PMOis directly influenced by theperformanceandmaturity level of each functionwithin the PMO. A high-performing function that has achieved a high level of maturity is more likely to contribute positively to the organization's overall success, thereby improving the ROI. The maturity level reflects the sophistication and effectiveness of how the PMO functions are managed, while performance indicates how well these functions deliver value to the organization.