The aim of the theoretical part of this thesis is to describe different dimensions and elements of marketing strategy of a company and present different steps companies are recommended to take during planning and preparing a marketing strategy. The practical part describes the analysis of the Volkswagen AG program for used cars Das WeltAuto. The analysis focuses on the international marketing strategy that the program follows in the markets where it operates and describes its main elements, goals and implementation. The ultimate aim of this thesis is to analyze the process of integration of different brands on the level of a big corporation and to research the process of implementation of a marketing strategy for special used car program Das WeltAuto on an international level.