This research, grounded on the resource-based view theory, examines the impact of developmental culture on inbound open innovation in small and medium-sized enterprises (SMEs) in Albania. Using a quantitative survey, data were collected from a sample of 179 service and manufacturing SMEs. The study demonstrates that there is a significant relationship between developmental culture and commitment-based HRM and inbound open innovation, as revealed by the analysis of quantitative survey data using PLS-SEM in SmartPLS 3.0. Moreover, commitment-based HRM serves as an intermediary between a culture that promotes growth and the process of incorporating external ideas and knowledge into an organization, known as inbound open innovation. The results highlight the necessity of transitioning towards cultivating organizational cultures that encourage collaboration and the sharing of knowledge in order to stimulate innovation. Open innovation is recognized as a crucial factor in generating value, enhancing competitiveness, and fostering economic progress. It is recommended that policymakers and industry practitioners embrace new strategies that value openness and collaboration in order to promote the dissemination of innovation and promote sustainable growth