In today's modern and fast-paced world, more and more responsibility is placed on managers of various world organizations. To be successful in your business, managers are required to have a certain set of managerial skills. In theory, we distinguish basic managerial skills and special managerial skills that apply to all managers regardless of the type of organization, level of management, whether it is a line manager, a large organization CEO, a small business manager etc. Within managerial skills there are also interpersonal skills, and the aim of this paper is to examine the level of skills of interpersonal skills and communication in OTP Splitska banka and how they affect the business. Interpersonal skills relate to the ability of a manager to work with others, and that all work functionally as a team with a common goal. Interpersonal skills are manifested through motivation, help, coordination, leadership, daily communication, business communication, etc. A quality manager leads his team and builds success with his team.Five basic categories, verbal and non-verbal communication, listening, conflict resolution, empathy and assertiveness, and the development of interdependence have been identified for this work. The conducted research has helped to find out the strong and weak side managers of OTP Splitska banka (the manager of two different branch offices in the Split area), and point out the factors they consider most important for their work.