Instead of "closed" type of innovation and knowledge accumulation SMEs utilize the "open" way of knowledge acquiring, where they necessarily share their specific information with partners, while being supplied new knowledge which might be vital for their own progress. The agricultural SMEs producing traditional products use vertical and horizontal networks to overcome their deficiency in the field of knowledge and information. Wine industry is typically carried out in SMEs frame, where innovative marketing strategies have to be combined with sometimes “exclusive” and “secret” recipes, which make the quality of the products unique. The openness characters of innovation inbound and outbound significantly differ in the consecutive phases of knowledge acquisition, development and marketing. The effects of openness on firm progress also diverse by phases.