The topic of this paper is research for the purpose of advertising. The paper tries to find out what research is carried out before the company launches an advertising message to the public and what types of research are carried out after the launch of the advertising message. The aim of this paper was to conduct research on the reactions of the respondents to the advertisements of the mentioned company on the example of the selected company - drug store Muller. The author wanted to find out how individual respondents react to individual ads and what they remember most from the ad. In this paper, research was carried out on the advertising method of the Muller company through a focus group and a portfolio analysis. The research showed that the respondents are familiar with Muller as a company and their range of products, and that they follow them on social networks. As the reason for following Muller on social networks, respondents stated that it was the most practical way for them to get information about products and promotions. After the conducted research, it can be concluded that Muller's ads on social networks are attractive and impressive, while television ads are not so attractive for respondents.