Attracting new customers and retaining existing ones becomes more difficult with increasing competition in the sales market. In this bachelor thesis a problem of the introduction of a new product to the trade by marketing promotion is considered. This process plays a key role for the success of the enterprise as well as the effectiveness of the marketing campaign depends entirely on the amount of sales of our product. This thesis is an example and a step by step guide to achieve the increase in customer loyalty, basing on the example of a company that is just starting their way in the sales area. One effective way to identify strengths and weaknesses is a method of qualitative research, which allows you to assess the situation from all side...