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SieMatic Seattle

SieMatic Seattle is the exclusive Pacific Northwest dealer for SieMatic. We have over 30 years of experience creating, designing and implementing residential, retail and restaurant interiors. 

Our studio

SieMatic Seattle provides full service interior design from concept to completion, including project management and installation. Our studio is passionate about creating spaces that ultimately enhance our client's lives through attention to quality and detail. We collaborate as a team to solve design challenges, listening carefully to our clients throughout the entire process.

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Cathleen Summers

Our owner, Cathleen Summers, comes from an extended, varied career in architecture, residential, retail and restaurant design and has a passion for anything culinary, so specializing in kitchen design is a very natural progression. She understands the functional and organizational needs in the kitchen, and loves the problem solving of creating functional as well as beautiful spaces for our clients.


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Interior systems


Interior systems



We design as a team, with quality, function, comfort and longevity in mind and this philosophy carries over to our client service. Our projects aim to be enduring, timeless and ultimately satisfying our clients for a very long time, especially since the kitchen is one of the most important spaces of the home.


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Summers Studio at SieMatic Seattle
2030 First Ave, Suite 110
Seattle WA 98121

+1 206 443 8620

Opening hours:
Monday - Saturday 
9 am - 5 pm