The main aim of the diploma thesis is to evaluate marketing communication in a chosen company. The theoretical part consists of two chapters describing marketing and marketing mix, marketing communication, its aims and principles and its various forms. These forms are described in detail in the second chapter. These are advertising media, such as television, the Internet or print media, sales promotion, direct marketing, personal sales and Public Relations. The practical part is devoted to the evaluation of marketing communication applied in the selected company through a marketing survey conducted by a questionnaire survey in cooperation with direct customers of the company. Based on the results from the questionnaire survey, the recommendations and estimated costs were proposed for the selected company.