Office Big Box is a comprehensive B2B platform designed to streamline the procurement of office supplies for businesses of all sizes. This project focuses on creating an efficient, user-friendly website that caters to both corporate buyers and merchants, ensuring a seamless and productive purchasing experience. Creating the optimal user flow for Office Big Box involved an extensive ideation process, during which we meticulously analyzed the needs of both users and merchants. This included user research, brainstorming and workshops. The result is a robust, user-centric platform that simplifies the procurement process for businesses and supports merchants in reaching their target audience effectively.