This slideshow was used at XXIII ISPIM Conference to present an academic article with the same title: "Developing grounded theory on organizational innovation". Organizational innovation is currently becoming increasingly relevant for business competitiveness, but the body of research that deals with it is still rather limited. In fact, its “official” recognition as an innovation type by Oslo Manual only goes back to 2005. Still today, however, its analysis is considered methodologically challenging. Assuming that organizational innovation tends to be highly firm-specific, research methods should account for such contextuality in order to profound the understanding of how an organizational innovation process is initiated, developed and evaluated. Therefore, grounded theory is proposed as a suitable methodology to reach thorough understanding of organizational innovation processes, and the progress of its application on a first case study is also presented. Preliminary results have helped identifying the new organizational methods applied and the type of change process developed in the company studied.