This BSc Thesis encompasses a multitude of definitions releted to ethics, business ethics and social responsibility. The theoretical knowledge found in the synthesis and analysis of various data in this BSc Thesis clearly outlines the general scheme of business ethics. The rules, processes and procedures needed to implement theoretical knowledge into work habits, empoyee tasks and the way that company operates give us an insight into the centuries-old initiative of trying to achive greater transparency, morality and justice in business. Many companies, despite so much knowledge and positive practices, have ramained deaf to the application of ethics and social responsibility. The main reason lies in the tempting shor-term profits that are hard to hive up in order to fulfill a social resposible, community-beneficial acts. Looking at the example of HEP, we can see that they are on the right side, act socially responsible, represent a high level of morality and ethics in business. For many years they have been involved in various charitable activities that contribute to the wider community. HEP is at the very top of the region in terms of business performance. With its engagement in the field of social responsibility, ingrained moral values and high level of employee ethics, it can serve as an example to many companies.