Simpson Coulter Studio

Simpson Coulter Studio is Las Vegas’ oldest award-winning architecture and interior design firm, delivering people-centered design grounded in trust, discovery, and decades of proven experience. For over 55 years, we’ve shaped civic, commercial, and community spaces across Nevada and the western United States, serving both public and private clients. We believe that great design begins with listening. Our collaborative design process transforms client needs int lasting experiences, creating environments that are functional, beautiful, and meaningful. From concept to completion, we focus on architecture with purpose. At Simpson Coulter Studio, we don’t just design buildings — we design spaces that endure, inspire, and make a lasting impact.