This special issue of the Journal on Chain and Network Science on 'Networking for innovation in agri-food SMEs' is organized around six articles, one editorial article and five research articles. It is noteworthy that four articles out of six (namely the editorial and the research articles by Abdirahman et al., 2014a; Ruitenburg et al., 2014 and Minarelli et al., 2014) are proposed within the framework of the FP7 European NetGrow project (www.netgrow.eu) developed around a consortium of nine