Enterprises create welfare and prosperity for the society by producing products and services. Therefore, productive and successful enterprises means the increase of the society’s welfare and prosperity. In this context; legal and ethical infrastructures respecting free market competition, giving no respite to informal economy and protecting intellectual property rights with the aim of rendering our country’s enterprises more successful both on a national and international platform need to be formed. In this report concepts, approaches and developments related to business ethics as well as certain practices in Turkey and in the world have been examined; the definition of unethical behaviour has been made, the essential characteristics of an ethical management system and the processes of forming this system have been evaluated and an example of an ethical code in respect of the main titles have been presented. Though the report carries academic elements, attention has been paid for it to assist the enforcers.