Knowledge transfer and organizational performance and business process: past, present and future researches Introduction The purpose of this special issue is to provide a contribution to the increasing interest in knowledge transfer (KT) and organizational performance and business process. In this perspective, past, present and future issues discussing the relationships between the transferability of knowledge and company performance management and outcomes emerged. Thus, the aim of this special issue is to advance existing theories in the field of KT. The increasing trend in studying KT started at the beginning of the twenty-first century. KT became the hottest topic for several disciplines among which business, management and accounting studies. Searching for KT on the Scopus database (www.scopus.com), results are very impressive and significant for the academic community and practitioners. Over 11,000 documents results are found in which more than 3,100 documents in the field of business, management and accounting studies. Major contributions on KT (until the first 15 universities affiliation on Scopus) resulted from Europe, Asia and Australia. Additionally, identifying documents by countries, Scopus results highlight the prominence of USA and UK at the top of the classification. However, journals publishing on KT are generalist and specialist scientific journals. Additionally, a search in Google Scholar (June 2018) on KT reveals that over 500,000 documents exist, recognizing a high level of citations. The relevance of knowledge in obtaining high and positive results in the company system has been analyzed from several perspectives in the international literature: the knowledge creation and transfer in and between organizations have been covered in several studies (Argote and Guo, 2016; Gil and Carrillo, 2016). Although positive results by KT are in the increasing competitive advantages of the firms and organizational performance and improvement of business performance, KT is not always without critical issues (Argote and Ingram, 2000). However, the current knowledge economy highlights the relevance of understanding if knowledge is transferable as well as which are the variables influencing organizational performance in all types of companies, including start-ups companies requiring new forms of financial funds (Lombardi et al., 2016). Thus, KT into the organization and business processes is relevant to achieve high performance, innovation processes and competitive advantages. Organizational performance needs to be managed (Jones and Mahon, 2018; Lombardi et al., 2014) and monitored in order to control, address, communicate companies' outcomes: the improvement of organizational performance derives also from sharing target knowledge. In this direction, the proposition of adequate methods and conceptual models is strategically relevant for management and organizational purposes, as they permit to draw positive outcomes in organizations and competitive business processes. Thus, the current scenario led to new adv...