Purpose - The aim of the paper is to study the use of the advanced management methods in the 2010 year in Romania. The study set sights on Romanian organizations which implemented a Siveco ERP and BI software. Methodology/approach - The methodology used is both quantitative and qualitative. The research results were obtained with the use of a questionnaire, and our purpose was to demonstrate some hypothesis concerning the size of the organisation, the management method and the IT&C based decision. The questionnaire was operated with SPSS 17, through a linear regression analysis and a t test. Research limitations/implications - The study is limited to the Siveco companies portfolio and deals with the dependence between existing computers, software programs and the level of business software implementation in every business function or department of 14 Romanian organizations. Practical implications - The practical value of this study was to test die impacts of contingency factors, including size, on die one hand, and ERP systems success, on the other. We try to demonstrate that the relationship between firm size and ERP success will be moderated by IT assets. Originality/value - The research has revealed the global IT and specific ERP and BI implementing level, as advanced management methods, in the 2010 Romanian organizations, and has a high level of originality, such a study has been never conducted before for computer based advanced management methods implementation.