Abstract: By creating a suitable organizational climate, management of an organization can pave the way for growth and development of staff and encourage them to attain their best performance. Creating motivation and enthusiasm can eventually lead to improved organizational performance and consequently to improved financial performance. This study is aimed at investigating the relationship between goals, leadership and structure and the Iranian National Oil Company's financial performance. For this purpose, a descriptive study has been conducted using random sampling from the research population of managers and experts of the National Iranian Oil Company, where 150 persons were selected as samples. Data was collected in this study using a questionnaire. For assessing the reliability of the mentioned questionnaire, the Cronbach's alpha method was used which was equal to 0.92;while its validity was measured on the basis of designing the questionnaire based on the theoretical model and review of literature, and also the validity of the expert judges (confirmation of professors and experts) has been used. For analysis of the collected data, factor analysis and structural equation modeling was used. For this purpose, components of organizational climate were considered based on Weisbord model and three hypotheses were developed based on this model. Results indicate that: (1)the model has a good fit, (2)organizational climate has a significant relationship with financial performance, and (3)all dimensions of the organizational climate, i.e. goals, structure and leadership, have significant relationship with the financial performance; finally, the order of