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Interiology Design Co.

430 Main Street
Watertown, MA 02472
Company Profile: 


Interiology Design Co. helps our clients transform their homes into luxurious, exquisitely executed, inspiring spaces that express their distinctive style and envelop the way they live.

Every project starts with our careful understanding of your goals, lifestyle and tastes. We guide you through an expansive exploration of design concepts, and the selection of the finest materials and details. We manage every step of the process, saving time and avoiding costly mistakes. The results are custom-tailored interiors our clients are excited to come home to and share with those they love.

What separates Interiology Design Co. from other full-service certified interior design teams is our unparalleled client experience, innovative design solutions and impeccable service. Our clients quickly grow to trust us and we mutually value our relationship.

Putting what is best for our clients at the heart of everything we do is why we created The Experience Studio. The Studio is a meticulously curated collection of the finest furnishings, fixtures and finishes, installed and operational in our residential spaces for a uniquely immersive design experience.

Schedule a conversation with a member of our design team in The Experience Studio to embark on your journey today.



Interiology Design Co

As Featured In...

Matouk Pezzo Throw Blanket, Interiology Co
Wintertime is the coziest time of the year, the season in which we spend much of our time inside the home. Giving thoughtful gifts for the home is a special opportunity to enhance the living experiences of our loved ones. Taking pleasure in the presence of comforting surroundings, wrapped up in a luxurious throw, candles lit, and a good book in hand is unmatched when the weather outside is...
Congratulations to our clients!A Blade of GrassBrendon propertiesClassic KitchensCape associatesCrown Point CabinetryDiscover TileFergusonFBNGregory LombardiHeather Vaughan DesignInteriologyJan GlysteenKitchen VisionsKevin Cradock BuildersLien EnterprisesLDALongfellow Design BuildMid Cape HomePSDSimple HomeSlocum HallSea Dar ConstructionSV DesignTSP Smart SpacesVani Sayeed 
View of a sample kitchen with blue accents in Interiology design center
Interiology presents: An Immersive Design Experience  For a homeowner, one of the most difficult aspects of designing a house is not being able to envision how various products and materials will look once installed. Realizing this, Mark Haddad, founder and president of Watertown-based Interiology Design Co., set out to create an immersive showroom that operates in tandem with his design services...
Interiology Design Studio Co. showroom and custom kitchen
When we asked to profile Certified Master Kitchen and Bath Designer (CMKBD) Mark Haddad in his element, he naturally chose Interiology Design Co.’s Experience Studio in Watertown as the setting. The owner and his team work amid the studio’s curated, comprehensive displays, a space brimming with design solutions for the whole home as well as one-of-kind accessories, upholstery, art and case goods...
Closet designed by Interiology Design Co. and Composit
Calling all architects, designers and builders! Join the nationally recognized designers at Interiology Design Co. and their special guest, Andrea Sorgente of Composit via Zoom on June 25th to learn about the latest in cabinetry innovation. “Based in Pesaro, Italy, Composit has been creating stylish and functional custom cabinetry solutions for kitchens, bathrooms, and living spaces for over 45...
Living room interior design vignette by Interiology Design Co.
Now that we’ve all been sheltering in place for quite some time, what we love most about our living spaces—and what we don’t—has suddenly become crystal clear. We know it from our own experiences, and it’s also what President Mark Haddad of Interiology Design Co. has found in speaking with clients of his Watertown, Mass., interior design studio. “As we're forced to be home for this length of time...