The aim of this article is to analyse the consequences of innovation activities of firms on their financial indicators for projects financed from the Operational Programme of Enterprise and Innovation. The analysis was based on publicly available data. Limitations of this approach are discussed below, it is primarily the fact that we are seeing the effects indirectly; we do not monitor the success of projects, but entire companies. OPEI was divided according to the objective of promoting into several groups. The article focuses on subjects which directly stated innovation as the aim of promotion. The methodology of evaluating the companies was based on the literature; the chosen financial indicators were monitored at intervals. The research results show that the support in this section shows positive effects, but depending on the year, when it was assigned, which shows that the distribution of public funds depends on the selection of supported entities.