Conflicts are unavoidable phenomena to every relationship and so the business. Starting from the fact that a business or organization is based on communication, the task of this paper is to explore the communicative forms that lead to conflict and the impact of such conflicts and that kind of communication on the operations of the organization itself. The work includes secondary research theories of aggressive forms of communication and the primary research that has been conducted on 65 persons in the twoorganizations from the region of Međimurje County, with a view to identify the impacts of aggressive communications and aggressive behavior on the the individual and the organization, how the people who are in a business environment and are exposed to theaggressive communication feel, how much is the awareness that the people who are in certain situations sometimes communicate aggressively and does the stress affect on the appearance of aggressive communicate in the organization. The analysis of the research results fully confirmed the hypothesis 1 and hypothesis 2, while hypothesis 3 partially confirmed.