Transform Your Space with
Purpose & Style

Interior Design & Space Planning Experts in St. Louis, Missouri

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From Concept to Comfort: Our Dedication to Your Space

At GMJ Architectural Design, we combine artistic vision with practical expertise to craft interiors that are both stunning and funtional. Our approach is hands-on, collaborative, and detail-driven—ensuring every design decision feels right for you. Whether you’re transforming a single room or reimagining an entire space, we deliver tailored solutions with care, creativity, and precision.

Partnering with GMJ means having a team that listens, guides, and brings clarity to the design journey—so your space not only looks beautiful but also works beautifully for the way you live or do business.

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Save Time

Realistic 3D models and expert guidance take the guesswork out of designing your dream space.

Save Money

Work within your budget with professional design and smart product choices.

Stress-Free

Enjoy a smooth and supportive experience from concept through completion.

Our Services

We offer a complete range of services to bring beauty, function, and intention to every corner of your space.

Home Space Planning

We thoughtfully organize furniture and fixtures within your layout to maximize comfort and functionality in every corner of your space

Room Space Planing

Maximize any room’s potential with strategic layouts that balance comfort, style, and usability.

Room Interior Design

Refresh your room with a personalized design that combines style, comfort, and functionality.

3D Imaging

Get a realistic view of your final space before committing, with lifelike renderings showing color, texture, and layout.

Home Interior Design

We thoughtfully organize furniture and fixtures within your layout to maximize comfort and functionality in every corner of your space

Commercial Design

Create professional, visually appealing spaces that reflect your brand and meet your business needs.

Based in St. Louis, Missouri, we proudly serve:

We proudly offer our design services to the greater St. Louis Metro Area and nearby Missouri communities.We also offer remote consultations across the U.S., making quality interior design accessible wherever you are.

The Heart Behind GMJ Architectural Design

At GMJ Architectural Design, we believe your space should tell your story—and we’re here to help you shape it. As a family-owned interior design studio rooted in St. Louis, Missouri, we specialize in creating warm, functional, and beautiful interiors that feel genuinely personal. 

With years of big-city design experience and a commitment to small-town hospitality, we make professional interior design approachable, collaborative, and tailored to you. Whether you’re redesigning your home or refreshing a commercial space, our mission is simple: to turn your vision into a space you love coming back to.

Based in St. Louis, Missouri, we proudly serve:

Share Your Space
Info

Send us your space´s dimensions or layout—hand-drawn, digital, or printed. We’ll provide a simple tutorial to guide you!

Describe Your Style & Needs

Send us your space´s dimensions or layout—hand-drawn, digital, or printed. We’ll provide a simple tutorial to guide you!

Get Your Custom Design

Receive detailed plans, elevations, 3D images, and décor suggestions designed just for you.

Collaborate & Finalize

Join us for a video review where we’ll refine the design together based on your feedback.

Purposeful Design for Professional Commercial Spaces

At GMJ Architectural Design, we understand that well-designed commercial spaces do more than impress—they perform. Whether you’re launching a boutique, updating an office, or planning a full-scale renovation, we create spaces that elevate your brand, support your workflow, and leave a lasting impression.

Our commercial designs balance style with strategy, ensuring each square foot is both functional and visually compelling. We collaborate closely with you to align your business goals with the aesthetic and functional needs of the space, creating environments that foster productivity, creativity, and a positive client experience.

Purposeful Design for Professional Commercial Spaces

Do I need house plans to hire your services?

Our commercial designs balance style with strategy, ensuring each square foot is both functional and visually compelling. We collaborate closely with you to align your business goals with the aesthetic and functional needs of the space, creating environments that foster productivity, creativity, and a positive client experience.

Our commercial designs balance style with strategy, ensuring each square foot is both functional and visually compelling. We collaborate closely with you to align your business goals with the aesthetic and functional needs of the space, creating environments that foster productivity, creativity, and a positive client experience.

Our commercial designs balance style with strategy, ensuring each square foot is both functional and visually compelling. We collaborate closely with you to align your business goals with the aesthetic and functional needs of the space, creating environments that foster productivity, creativity, and a positive client experience.

Our commercial designs balance style with strategy, ensuring each square foot is both functional and visually compelling. We collaborate closely with you to align your business goals with the aesthetic and functional needs of the space, creating environments that foster productivity, creativity, and a positive client experience.

Our commercial designs balance style with strategy, ensuring each square foot is both functional and visually compelling. We collaborate closely with you to align your business goals with the aesthetic and functional needs of the space, creating environments that foster productivity, creativity, and a positive client experience.

Commitment to Quality & Client Satisfaction

We believe every project deserves the highest level of care and attention. From consultation to design, our team delivers exceptional, personalized service tailored to your needs. We take time to understand your vision, ensuring every detail reflects your style, personality, and practical requirements.

Our commitment to quality is about creating functional, enduring spaces you’ll love for years. With transparent communication, you’re involved in every step of the design process. Our ultimate goal is your satisfaction, and we work tirelessly to exceed your expectations, delivering designs that are as practical as they are beautiful.

Let’s Create Something Beautiful Together