Information systems are theoretically analyzed and incorporated into the organization as a part of everyday life. The organization itself acts as a system, and a business system must be ready to adapt to a constantly changing environment. Therefore, the use of information technology; information systems facilitates daily operations and plays an important role in recording business information. This paper wants to achieve theoretical processing of information systems and competitive advantages and connecting these two concepts into a functional unit in order to introduce the new link between technology and everyday business. The support which explains this link will be in the form of a specific information system through which there will be shown the benefit of its use for the business rganization. Also, the paper will show how their introduction contributed to the success of the business, how has it facilitated the practice of the same, and in what way does it create a competitive advantage for companies in today's business environment. It is important to point out that it that these systems are reliable and that users can rely on it.