Historically, competency frameworks have been readily available for various roles such as project managers, programme managers, and business analysts. However, the absence of a standardized forum for PMOs to assess their skill level has been lacking in the industry - a gap that House of PMO have now addressed head-on through the "PMO Competency Framework'. This publication provides a standard and a toolset to allow PMO professionals to understand, assess and develop the skills, behaviours, and experience to achieve their PMO goals and career potential. Aligned with the House of PMO Essentials examinations from APMG International; it serves as an official reference guide for the course. What is in the publication? - Contains the key knowledge, skills and behaviours. - Describes the 24 core competences across four role profiles, across four different PMO contexts. - It contains detailed competences required across the roles in the PMO profession. - Essential self-assessment templates included. What is in the 2nd Edition? - Easier navigation of sections. - Condensed content. - Improved user experience and accessibility through a revised typeset.