The importance of networking as a way to enhance innovation has been pointed out in many scientific papers, in particular for SMEs. A great number of scientific studies clearly establish the significant role of SMEs in economic growth, promoting flexibility and innovation in an economy. The process of successfully engage in a network represents a key for enhancing competitiveness. In order to improve effectiveness of network is pivotal the achievement of a better understanding of SME behavior. The presented work aims to identify factors that characterize food SMEs entering in innovation networks by integrating findings from the literature review with a survey of food SMEs.