Communication is only successful if the other party fully understands the message but communicating with business partners in foreign countries can often be unsuccessful. Business communication includes elements such as business clothing, rules of conduct with other people, tone of voice and body language, use of words and rules of engaging conversation in various business situations as well as behavior at a business dinner table. Due to cultural differences and their misunderstanding and acceptance, there are difficulties in business communication, which can have negative consequences on business. In the business world, contacts with foreigners and other cultures are quite common. In order for the negotiations and co-operation to be successful and efficient, and to fit into a new culture, it is necessary to get familiar with the culture and business practices of the country we work for good interpersonal relationships and achieving business success based on successful negotiations and agreements. This paper analyzes communication business communication, concepts of interculturality, multiculturalism, communication between the states of Croatia and Austria, and communication and culture barriers. The task was to analyze and clarify the differences in intellect of the mentioned countries, to make a difference between everyday and business communication, and to point out its importance in every aspect of the action. The paper presents the importance of communication and brings together the business communication and culture of Austria and Croatia, which is an indispensable segment of successful international business between the two countries that are EU member states.