In highly competitive environment which is result of boundaries vanished in communications, companies that aim to grow in their sector have to focus on their main field of activity in order to bring their activities to perfection. Companies leave some matters to specialized companies. These matters such as human resources, payroll services, reporting are very important for company but they do not contribute to competitiveness and do not fall under their main field of activities. When such matter are outsourced, companies enhance the quality in these activities and lower the cost at the same time and focus on their own field.