The project management office has provided well-documented value to many organizations. However, for some businesses, the benefits never materialize. Take a look at PMOs over the years, and you will see that many have restructured, dissolved, or constantly had to justify their existence during both economic downturns and high-growth periods. This is evidence enough that PMOs are not yielding demonstrable positive financial results. PMOs, as well as the departments and projects they serve, face years of frustration due to this churn.
e-Commerce Times