In this paper, it is shown the way of business and communication etiquette ‘s application to what it is attached more bigger attention in business world. When it exists good communication in business surroundings then the working results and relationships are getting better. Also, it is attached bigger attention to encouraging and developing emotional intelligence for employees as a way of achieving good communicational skills in business surroundings. It is warmly recommended to have trainings for developing emotional intelligence. It is shown communication process, styles and features of communication. From all that, it is clear that communication is very complex process which must be carefully cherished and developed. Besides business and communication etiquette there are some important details about adressing and cloting among employees. Each company has a specific Code of Conduct which exactly determines what and how to dress. In this paper, the example of company is Privredna banka Zagreb, through case study. Also, each business etiquette quotes the certain rules of behaviour at work and in the work with clients. The point of etiquette is to adopt the rules and standards to the level that it gets a part of normal behaviour. Good knowledge of behaviour rules plays an important role in business career, help to keep business relationship what is very necessary in business world.