Definition of Project Management Office
PMI - "A management structure that standardizes the project-related governance processes and facilitates the sharing of resources, methodologies, tools, and techniques. See also program management office."
AXELOS - "Portfolio, Programme and Project Offices (P3O) referring as the decision enabling and support business model for all business change within an organization. This will include single or multiple physical or virtual structures, i.e. offices (permanent and/or temporary), providing a mix of central and localized functions and services, integration with governance arrangements and the wider business such as other corporate support functions..
Project Management Office Services