Prime Designs by Nancy is an architectural design-build firm dedicated to creating exceptional spaces tailored to your unique needs. Serving St. Charles County, Lincoln, Warrenton, St. Peters, O’Fallon, Chesterfield, and St. Louis, MO, we specialize in residential and commercial plans, home remodeling, interior decor, 3D rendering, and construction management. Our expert team combines creativity, attention to detail, and a deep understanding of materials and trends to design spaces that reflect your personality and style. Whether you’re envisioning a complete renovation or a small upgrade, we turn your ideas into stunning, functional realities. With Berneking Design + Build as our child company focusing on architectural expertise, we deliver results that exceed expectations. Let us transform your home or business into a space that inspires and delights.