Home PROJECT MANAGEMENT MAIN METHODOLOGIES PROJECT MANAGEMENT MAIN METHODOLOGIES RBS Projects Ltd. are adapting and implementing the main project management methodologies around the world, including PMBOK® Guide, PRINCE2®, CMMI® and more. PMBOK is a registered mark of the Project Management Institute, Inc PMBOK® Guide A Guide to the Project Management Body of Knowledge (PMBOK® Guide), which is defined by the world leading non-profit organization for managing projects – The Project Management Institute (PMI®). PRINCE2® PRINCE2® (Projects In Controlled Environments), is a process-based method for effective project management. It was published in 1996 and is used extensively by the UK government. CMMI® Capability Maturity Model Integration (CMMI®) is a process improvement training and appraisal program and service administered and marketed by Carnegie Mellon University, USA.