Grand Connect Doo is a start-up company established in 2018, in Subotica, Serbia with an aim to leverage its key resources, more than 15 years of experience in software engineering and to provide solutions to clients using modern technologies linked to IoT, machine learning and AR. Grand Connect focuses mainly on retail and fashion industry.GC provides cutting edge solutions for retail businesses, such as:-Planning and delivering "Connected" and "Smart Store" solutions, by using client's existing network of physical devices, and other items embedded with electronics, software, sensors, actuators, and connectivity to connect these things, exchange, collect and process data;-Supply Chain and Inventory Management efficiency improvement by maximizing existing IoT components (cameras, RFID, POS terminals and other hardware); -Staff Efficiency improvement by analyzing IoT components' data and producing Dahsboards and Reports;-Setting up necessary environment (hardware and software) for mapping and monitoring in-store customer's journey;-Monitoring health of store in terms of environment and critical hardware (e.g. POS, cameras etc.)-Utilization of available in-store data by aggregating device data and building user friendly Dashboards, Reports and customized recommendations for store managers and decision makers.We plan, develop and maintain web, desktop and mobile software for fashion and other industries. Main products are: Adobe Illustrator and Photoshop plugins and custom software solutions for desktop and smartphone (tablet) devices (Android and iOS).