Interior Design Portfolio — Columbus, OH

Explore our portfolio of interior design projects across Columbus, Upper Arlington, Dublin, and throughout Ohio. From full-home residential remodels to thoughtfully designed commercial spaces, each project reflects our collaborative, detail-driven approach — interiors that are elegant, functional, and made to be lived in.

A cozy living room with dark walls and warm lighting. There are two sofas: one a light tan and the other dark grey, each with multiple throw pillows. Wall-mounted light fixtures with decorative covers illuminate the room. A small side table with a dark vase is positioned between the sofas, and a basket with throws is visible in the foreground.

residential
design

PORTFOLIO

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From new builds to whole-home remodels, our residential projects across Columbus and Central Ohio balance everyday function with timeless style — homes tailored to the people who live in them.

Commercial
design

PORTFOLIO

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We design commercial interiors — offices, retail, and hospitality spaces — that are on-brand, welcoming, and built to work as hard as they look. Serving businesses in Upper Arlington, Columbus, and across Ohio.

Let's Bring Your Vision to Life Every project starts with a conversation. Based in COLUMBUS and serving clients NATIONWIDE, we'd love to hear what you're imagining.

Interior design sample materials including a paint color fan deck, fabric swatches, and a business card for Katherine Thomas Interior Design Studio. 
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That’s why I treat every project as a collaboration. We’d love to hear your vision and help bring it to life.

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