Modern companies are often encountered with many obstacles and factors that affect hewhole company business, that's important that during the business process, the company chooses quality staff. Every company is unique, so there are different type so for ganizational structure. Organizational structure represents a system of relations among people with the purpose of completing some tasks and that is the most important part of every company. Every company during its business process is trying to achieve one goaland that is completion of business processin set terms that the wanted profile could be made. Organizational structure depends on the size of the company, number of employees, type of the work the company does etc. Company organization has an important role and it is the key to business success. Furthermore, the role ofmanager is also very important because he is the one who is directing and motivating its employees so they would, with their own work, achieve set goals.This paper represents and explains organizational structure of the company Erste Bank d.d. Rijeka, and the organizational structure of the office of Erste Bank that is located in Split. The company Erste Bank d.d. Rijeka has a quality organizational structure. Firsty, it is manifested in their headquartes and secondly throught the whole system of offices in Croatia.