Background: Sustainable business ethics is one of the most important organizational issues. The lack of understanding and commitment to the observance of the indicators can cause a variety of negative psychopaths’ consequences during the time. In this regard, this study has tried to identify indicators of sustainable business ethics and determine the degree of their importance using fuzzy TOPSIS technique and explore the network of causal relationships and degrees of influence and impressionability of these indicators using the fuzzy Dematel technique.
Method: This study is applied in terms of objective and is descriptive in terms of obtaining data. Population of the study includes all experts and faculty members. Among all, 5 experts were selected by meaningfully sampling. Data were collected by questionnaire. After identifying sustainable business ethics indicators from the literature and expert opinion, fuzzy TOPSIS technique was used to prioritize them and Dematel fuzzy technique was used to determine causal relationships between these indicators.
Results: Of the eight indicators of sustainable business ethics (social responsibility, social values, Introspection and inner purification, cultural competence, moral ideals, Spiritual ideals, social competence and moral integrity), the first four indicators, in order of priority, were detected as the major indicators. Also, it was found that most impressionable indicator among other indicators of sustainable business ethics, cultural competence, and opposite it, respectively are social values and social competencies.  
Conclusion: Result of the study demonstrates that social values and social competencies effect on other factors. Therefore, in order to improve indicators of sustainable ethics, business ethics should be integrated with managerial efforts and with more investment to qualify social values and competencies