It is among its tasks and duties to render best services to member firms and companies. Membership certificates are duly issued to such members who are kept updated on how to take the utmost advantages of the Chamber services and available data or information. They are also well apprised of the Chamber's regular and occasional functions or events, as well as of its tasks and duties in general. Oman Chamber of Commerce and Industry (OCCI) makes all possible efforts to stimulate the country's economic activity through its active and continuous participation in implementing various development plans aimed at diversifying the inflow sources of the national income. 

This is achieved by encouraging the private sector companies and establishments to set up and execute industrial, agricultural and commercial development projects. Since its inception by a Royal Decree on 15 May 1973, OCCI has carried out several studies to highlight the high yield economic activities.

In order to enable the Omani private sector to take them up, by providing it with necessary statistics, information and consultations on economic and commercial issues and by minimising the difficulties it faces. OCCI takes up the suggestions and proposals of the private sector to the decision makers in the Government, through its memberships in various boards of directors of the government authorities and high committees. OCCI plays a big role at the international level as well, through its constant presence at the meetings of the joint chambers and unions.