At SEI, we are a full-service interior design firm specializing in commercial environments, with a focus on multi-family, hospitality, and retail spaces. Our work is grounded in a deep understanding of how people experience space—pairing visual impact with thoughtful execution.

We believe great design tells a cohesive story. It strengthens brand identity, enhances the user experience, and creates environments that feel elevated and intentional. Led by founder Stephanie Ervin, our team delivers turnkey solutions with precision, consistency, and lasting appeal.

Whether you're introducing a new concept or refreshing an existing space, we’re here to help you maximize your investment through thoughtful, transformative design.