Forensic accounting, as a process of legal inspection of corporate accounting practices, has today become an important strategy to prevent fraud and financial misconduct, which has created information transparency for investors to make financial decisions. Oil companies, as one of the capital market companies, are able to strengthen the forensic accounting paradigm to provide documentation and transparency of decision-making to prevent market distrust caused by investor risks, and to contribute to the sustainable development of its presence in advancing competitive strategies. The purpose of this study is to develop an effective forensic accounting paradigm based on the risks of investors in oil companies. In this study in order to identify the components (dimensions of forensic accounting) and research propositions (investor risk themes) were used from combined analysis with the participation of 15 accounting experts at the university level. In the quantitative part, the components and propositions identified in the form of matrix questionnaires were evaluated by interpretive ranking process (IRP) by 20 financial managers of oil companies in the capital market. The results showed that the statements of inflation risk and credit risk as the most influential themes threaten investors in oil companies, which strengthens the focus on legal mechanisms as a component of the forensic accounting paradigm. This result shows that in the presence of inflationary and credit risks of oil companies 'investors, the importantof legal mechanisms in judicial accounting can lead to increased information transparency to protect the interests of oil companies' investors.