One Line Design Studio is a boutique interior design studio with a focus on the hospitality, commercial & residential development markets.  We successfully lead our projects by infusing our passion for art, design, fashion and travel to offer unparalleled design with One Line.  

One Line  is a full-service interior design firm located in Miami, Florida and Detroit, Michigan. One Line is a ‘Women-Owned Business’ partnership focused on using our combined 35+ years of interior design and industry experience to create beautiful, functional and profitable spaces for our clients. As professionally licensed Interior Designers, our services span the hospitality, luxury residential developments, and restaurants. 

Our Co-Founders, Karrie Drinkhahn and Susan LaFleur offer a fresh approach to the evolving landscape of interior design and project management expectations. We have developed a strong foundation based on the strength of our creative capital, approaching each project through the authenticity of our teams’ collective lens.  It is the fusion of these dynamic creative minds that drives our approach to every project we work on, and our firm.

One Line Design Studio

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One Line Design Studio

Org chart

Teams

Offices

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