Has and Koen Architects is a multi disciplinary architectural practice established in 1995 by Zeki Koen and Aylin Hasoğlu. It has a holistic approach to Architecture that includes full interior design and planning services. The practice has extensive experience with office areas as well as hotels, private residences and commercial buildings. The work of Has and Koen is based upon a solid foundation of design perfection, budget and schedule control, professional project management and achievement of best value and architectural quality.

Partners of Has and Koen are involved in the design and supervision of each project from the initial concept stage, through planning, construction and completion as they believe that high quality design results from the continuity of the design process and intensive dialogue with both the client, consultants, contractors and end users to be able to achieve beauty and functional integration.