Time may be one factor in a PMO’s power: Established PMOs deliver projects with higher quality and greater business success, according to a PwC survey. The longer these PMOs are around, the stronger they become—and the more successful the projects under their umbrellas. PMOs in place for six years or more report that 62 percent of projects achieve the intended business benefit and 74 percent of projects are deemed high-quality, the PwC survey says.