In today's society, resource efficiency and energy conservation have become paramount, initiating discussions across businesses and nations. Circular strategies, rooted in the Industry 4.0 era of automation and data-driven processes, offer a compelling solution. This study investigates how circular strategies and Industry 4.0 technologies synergize to transform manufacturing companies into introducing circular business models. The research constructs a comprehensive framework interconnecting circular strategies, business model elements, and emerging technologies. This Hybrid Circular Business Model-Tech framework guides manufacturing entities in applying circularity, enhancing sustainability, resource efficiency, and competitiveness. Through literature review, framework development, and real-world case studies with renowned Dutch firms, the study bridges theory and practice, advancing circular economy principles in the manufacturing sector. Overall, the Hybrid Circular Business Model - Tech framework serves as an invaluable tool for transitioning from linear to circular models, fostering informed decision-making within organizations committed to embracing a sustainable future.