CSO, located in Indianapolis, is one of the largest architecture and interior design firms in Indiana, with a history that spans nearly 60 years. We provide architecture and interior design services for multiple market sectors including K-12 education, higher education, workplace, healthcare, manufacturing, and logistics.

Our firm is guided by our core purpose “to provide design and service excellence for the benefit of our clients, our people, our community, and our environment”. It motivates us to provide innovative solutions for all of our projects, regardless of their size or scope. We believe that we have the unique opportunity to make a lasting impression on the face of our earth, and we strive to do so in an environmentally responsible way.

Our Principals provide leadership for the firm while continuing to be hands-on practitioners. Each of our projects is led by a Managing Principal. Under the guidance of the Managing Principal and the Project Manager, project teams rely on the expertise of all team members. We invite you to learn more about our Principals through their bios on our website.