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Business Details
24 Years
experience
Your Trusted Interior Design Partner in Philadelphia
Ashli Mizell Interior Design was founded in 2002 by Ashli Mizell, a classically trained Art Historian with nearly a decade of experience in New York City's dynamic design scene. Our studio specializes in creating luxuriously livable environments rooted in crisp lines, handsome detailing, and fine materials. We believe in crafting spaces that reflect our clients' unique stories while embracing a collected-not-decorated aesthetic that celebrates comfort and authenticity. Drawing inspiration from travel, vintage cars, classic films, and flea market discoveries, we ensure refined and rough-hewn elements coexist seamlessly. Our tailored approach extends to both private homes and commercial destinations, with projects featured in Architectural Digest, Traditional Home, and Interiors.

We maintain a collaborative process that prioritizes harmony between design elements and client lifestyles, ensuring every project embodies both beauty and functionality. The studio's work has earned recognition in prestigious publications, and we continue to contribute thought leadership to interior design and lifestyle discourse. With a presence in Philadelphia and Madison Valley, Montana, we serve clients seeking timeless, personalized spaces that evolve with their lives.
Services
Residential Design Commercial Design
Details
  • Year established: 2002
Highlights and features
  • We offer 20+ years of experience in luxury interior design
  • Our tailored approach ensures personalized, collaborative projects
  • Featured in Architectural Digest and Traditional Home
  • Expertise in blending refined and organic design elements
  • Recognized leaders in Philadelphia's design community
Services
Residential Design
We create personalized living spaces that balance luxury with functionality. Our approach combines classical design principles with modern needs, ensuring each home reflects the client's unique story while maintaining comfort and authenticity. Projects range from private residences to country estates.
Commercial Design
Our commercial design solutions blend aesthetic appeal with practical functionality for business environments. We craft spaces that enhance brand identity while creating welcoming atmospheres for clients and employees. Projects include retail spaces, corporate offices, and hospitality venues.
People
Ashli Mizell
Founder & Lead Designer
Classically trained Art Historian with 20+ years in luxury design. Specializes in creating timeless spaces that blend refined and organic elements. Featured in top design publications and divides time between Philadelphia and Montana.
Ali
Senior Designer
Senior designer with a BS in Interior Design from Philadelphia University. Known for meticulous attention to detail and fresh style. Enjoys culinary arts, water sports, and plans for a future homestead with livestock.
Eric
Senior Designer
BFA graduate from Chicago's International Academy of Design. Brings experience from NYC and Pacific Northwest firms. Combines measured approach with passion for thoughtful design, inspired by Mediterranean cuisine and travel.
Jess
Interior Designer
Missouri native with BS in Interior Design and Construction Management. Blends creativity with practical knowledge. Passionate about nature, photography, music, and Philadelphia sports culture.
Eve
Design Associate
Philadelphia-trained designer with BFA in interior design. Brings fresh perspective through illustration background. Enjoys urban exploration, outdoor activities, and advocates for tattoos as high art in design contexts.
Questions
What design styles do you specialize in?
We specialize in timeless, tailored interiors that blend crisp lines with organic elements. Our approach prioritizes personal storytelling over trends, creating spaces that feel both luxurious and lived-in.
Do you work on both residential and commercial projects?
Yes, we handle both private residences and commercial spaces. Our portfolio includes everything from urban apartments to corporate offices, always maintaining our signature attention to detail.
Where are your services available?
While based in Philadelphia, we work on projects nationwide. Our team frequently travels for client consultations and maintains a second home base in Madison Valley, Montana.
How long has the studio been in business?
Ashli Mizell Interior Design has been operating since 2002, with the founder's career spanning nearly a decade in New York City's design scene prior to establishing the studio.
Can you accommodate specific design requests?
Absolutely. Our collaborative process ensures each project reflects the client's unique vision. We work closely with clients to incorporate personal preferences while offering expert design guidance.