Business is changing to Omni channel services for connecting customer and commerce enterprise anytime and anywhere continuously through the growth of IoT technology. This paper proposes a Mobile Service Architecture, which can provide an Omni channel, for activating O2O(Online to Offline) business to induce customers to visit offline stores through online services. A proposed Mobile Service Architecture proposes a Dynamic Architecture that can provide the specialized service using a Customization service when the service is provided to customers. The proposed Dynamic Mobile Service Architecture consists of a beacon sensor and customization framework. In the case study, the suitability of the Dynamic Mobile Service Architecture was verified by providing a dynamic coupon and advertisement service.