WASHINGTON–(BUSINESS WIRE)–Guidehouse, a leading consultancy and solutions provider to the commercial and public sectors, has been appraised at level 3 of the CMMI Institute’s Capability Maturity Model Integration (CMMI)(R) for its Advanced Solutions. The appraisal was performed by Quality Point Integrating Systems LLC. CMMI is a process improvement approach that provides organizations with the essential elements of effective processes that ultimately improve their performance. An appraisal at