Omni-channel retail refers to the seamless integration of physical, e-commerce, and mobile commerce channels to sell goods or services, aiming to meet consumer needs anytime, anywhere, and in any way. This approach provides customers with a unified and undifferentiated purchasing experience, regardless of the channel they choose. The concept of omni-channel retail is deeply rooted in the evolution of dual-channel strategies, which laid the groundwork for its development. Dual-channel strategies emerged as businesses began to explore the integration of online and offline sales channels. These strategies can be categorized into four main types based on the entity that establishes the online direct sales channel: Vertically Integrated Dual Channel (VID), Partially Integrated Dual Channel (PID), Decentralized Dual Channel (DD), and Horizontally Integrated Dual Channel (HID). Each of these models represents a different approach to balancing online and offline operations, reflecting the diverse ways in which businesses have sought to adapt to the growing influence of e-commerce. The transition from dual-channel to omni-channel retail represents a significant shift in how businesses approach customer engagement, emphasizing the need for a cohesive and integrated experience across all touch-points.