
Ten Best Interior Design Firms of Arizona, California, Nevada
Top Rated Interior Design Firms
For legitimate interior design stars, great work requires more than providing a pleasing visual appearance. To them, concepts of functional beauty is a challenge not taken lightly. They know the design and décor of the places where you live, school, work, and dine will significantly impact experience value, productivity, concentration, tranquility, and other essential qualities of modern life.
Residential and Commercial Projects: Best of the Southwest
The best interior designers of Arizona, California, and Nevada are listed here. Acknowledged by awards and signature projects, these elite firms project meaningful impact worldwide.
THE TOP TEN: Esther Boivin Interiors: Scottsdale

Esther Boivin Interiors: Scottsdale
- Esther Boivin Interiors | https://estherboivininteriors.com/
Typical project size: $50K-$1M
Description: From Montreal, Esther was educated at McGill University in both opera performance and interior design. The result? Above and beyond interpretations, a symphony of senses where innovative surfaces, lighting, and color play essential roles in the masterpiece. Services are à la carte: by the room, house, or business. View projects for residential and commercial interiors, updated kitchens and food-prep areas, and luxury bedrooms and bathroom spas.
“The best Interior Design firms are innovators, not followers. You march to your own beat, trusting the signals that life and culture has given you. People rely upon you to define their journey…” (Esther Boivin)

TOP TEN: Est Est, Inc: Scottsdale

Est Est, Inc: Scottsdale
- Est Est, Inc. | https://estestinc.com/
Typical project size: $150K – $1M+
Description: With decades of experience, Est Est provides unmatched perspective among Southwestern design firm excellence. Projects range from elite golf club communities to rockstar residences, guided by Arizona interior design legend Tony Sutton. Luxury private residences, master planned communities, mixed-use commercial projects, and more.
“Our discerning clients expect the big things to be done right. However, lasting impressions and timeless designs are achieved by getting the small things right. With luxury design, “the devil is in the details…” (Tony Sutton)

TOP TEN: McCarthy-Nordburg: Phoenix
Top Ten Interior Design Firms of the Southwest (design: McCarthy-Norburg)
McCarthy-Nordburg: Phoenix
- McCarthy-Nordburg | https://mccarthynordburg.com/
Typical project size: $1M – $10M+
Description: Landmark architectural designs for corporate spaces, commercial initiatives, push-the-envelope public spaces

TOP TEN: Davis: Tempe
Davis: Tempe
Typical project size: $1M – $10M+
Description: Landmark architectural designs for corporate spaces, commercial initiatives, push-the-envelope public spaces

TOP TEN: Bar Napkin Productions: Phoenix
Bar Napkin Productions: Phoenix
- Bar Napkin Productions | https://www.bnp-llc.com/
Typical project size: $50K – $1M+
Description: Landmark design, branding, and crafters of meaningful hospitality and commercial architectural designs. Corporate spaces, commercial initiatives, push-the-envelope public spaces.

TOP TEN: FM Group Management: Phoenix

FM Group Management: Phoenix
- FM Management
Typical project size: $50K – $1M+
Description: Broad scope project management firm. Includes architectural and interior designs for corporate, commercial, retail, and institutional building analysis and facilities management.
TOP TEN: Studio O+A: San Francisco

Studio O+A: San Francisco
- Studio O+A | https://o-plus-a.com/
Typical project size: $3M – $20+M
Description: Landmark architectural designs for cutting edge corporate headquarter spaces, inspired commercial initiatives, push-the-envelope public spaces. Based in San Francisco; known for it’s innovative and fearlessly creative account projects.

TOP TEN: Gensler: Phoenix & worldwide
Gensler: Phoenix & worldwide
- Gensler | https://www.gensler.com/
Typical project size: $5M – $20M+
Description: Landmark architectural designs for usage research and insights, corporate headquarter spaces, inspired commercial initiatives, push-the-envelope public spaces. Wide scope of projects, from aviation to mixed-use retail. Known for innovative and break-the-mold creative projects.

TOP TEN: FoRM Studio: Tempe
FoRM Design Studios: Tempe
- FoRM Design Studio | http://formdesignstudio.com/
Typical project size: $50K – $500K
Description: Landmark architectural designs ranging from small to large, with expertise in retail, banking, restaurants, spas, and corporate offices.

TOP TEN: Fabiola Avelino: Las Vegas

Fabiola Avelino: Las Vegas
- Fabiola Avelino | https://www.fabiolaavelino.com/
Typical project size: $50k – $500k
Description: Born and trained in the School of Architecture and Urbanism in Brazil, Fabiola’s work embraces a distinguished bi-equatorial signature. She is based in Las Vegas since 2001 and is known for inspired residential spaces and commercial projects. Her work reflects both environmental sensuality and organic sensibilities – in a city known for unabashed design projects.

Top Firms in Arizona, California, and Nevada
Here, we listed the Top Ten Interior Design Firms of the Southwest.
Although these Top Ten are based in the American Southwest, they manage worldwide influence.