The OYAK Headquarters Building project, located in Ankara Tandoğan, stands out as a modern and functional structure. The focus of the project is to emphasize the importance of efficiency and sustainability. The building exhibits an environmentally friendly approach with design features that ensure energy efficiency. Additionally, the interior design highlights green spaces and natural lighting, creating a productive environment for employees. The goal of the project is to provide an aesthetic appearance while embracing the principles of sustainability in an environmentally conscious manner.