MJM Design Company

As the lead designer and owner,
I bring passion to every project that
I undertake. As the Director at Large for the American Society of Interior Designers Missouri East Chapter, I continually strive to bring insight to this ever-changing industry.


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Remodeling and Home Design


About Us

As the owner of MJM Design Company in St. Louis, MO, I know that giving you the interior look and client experience you want starts
with great communication. If you
give me a chance to listen to your ideas, I’ll give you a look that you’ll cherish forever.  


MJM Design Company

From Step One to Done

Ottomans in front of fireplace||||

Hello, my name is Joyce Mathis. I am a passionate interior designer and the proud owner of MJM Design Company. I’d like to welcome you to my website.

As a well-established interior design firm in St. Louis, MO, MJM Design Company delivers a full line of design services to residential and commercial customers on everything from remodels and redesigns to whole homes and single rooms. My work has been featured in publications and many homes around the area. 

Customize Your Services

I’ll work with you and, if appropriate, your builders, to ensure that each element of your home or business is consistent in finish and function. If you’re searching for a designer to create a cohesive interior look that speaks to your tastes and styles, there’s no better interior design company to call.

Contact Me to Get Started 

Please visit my inquiries page and send me a short message including your name, contact information and hopes for your project. I look forward to working with you.