Management accounting is the process of preparing management reports and accounts that provide accurate and timely, financial and statistical information to assist in management decision making. It is also known as the process of identifying, measuring, accumulating, analyzing, preparing, interpreting and communicating information to help managers fulfill the organization's objectives. Management accounting practices are used by organizational managers at various levels and at the same time, it gives managers the freedom of choice as there are no constraints, other than the cost of information collected relative to benefits of improved management decisions. Studies have found that there are factors that may affect management accounting practices. Literature has indicated that factors such as--organization size, intensity of market competition, level of qualification of accounting staff and advanced production technology--may affect management accounting practices. The objective of this research is to study the impact of these factors on management accounting practices in Malaysia. A total of 200 respondents from Klang Valley, Malaysia were involved in the survey using purposive sampling. The results of the study revealed that organization size and advanced production technology have significant relationships with management accounting practices.