Indosat has been around for more than 40 years as one of the biggest telecommunication service providers in Indonesia. In 2014, we first contacted to develop the Master Design Handbook Guidance for Galeri Indosat throughout Indonesia and second, design the interior design of this outlet as the main showcase for the brand. The design implement curving modern forms as an elegant solution that integrates visitor flow, office design, environmental graphic design , security issues, as well as creating a welcoming and warm ambiance for this 24-hour customer service outlet.