The headquarters of Hyundai Department Store Group capturing the corporate ideology and its future pro- vides various spaces for both work and convenience optimized for employees, while the building’s simple yet unique exterior design expressed the value of the Hyundai Department Store Group as a brand. The office space with eccentric core arrangements shows an open plan with efficient and variable spaces, allowing a free-flowing office landscape. We aimed to express the classy image of the group and implement a simple, streamlined yet three-dimensional sophisticated look of the facade. The headquarters is an environmentally-friendly building, which has been officially certified with the G-Seed Green Building and Energy Efficiency Rating standards.