This study evaluates the impact of Management Accounting System (MAS) in a multinational manufacturing company. It explores different tools of MAS such as ABC, TQM, Value chain analysis, etc. and their outcomes. The report also distinguishes the outcomes of the current case study with that of another selected case study that pertains to the medium-size production company. The study highlights the relevancy of MAS in contemporary organizations and its role in a competitive uncertain business environment.