Here are the Top 10 interior design companies in Arizona, based on public voting for the 2026 edition of Ranking Arizona, the state’s biggest and most comprehensive business opinion poll. Ranking Arizona is based purely on opinion and ranks companies based on how voters answer this simple question: with whom would you recommend doing business?

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Top 10 interior design companies in Arizona (workforce of 20 or more)

Here are the Top 10 interior design companies in Arizona (workforce of 20 or more), as featured in the 2026 edition of Ranking Arizona:

1. Corgan

Background: Corgan’s Arizona presence encompasses a team of architects and interior designers with notable projects including the Arizona Oncology Prescott Cancer Center, Dutch Bros, Phoenix Sky Harbor Airport and Esplanade. Corgan has built a strong reputation for agility in design by anticipating marketplace changes and leading clients to thoughtful, data-driven design solutions across aviation and transportation, data centers, education, health, hospitality & retail, mixed-use, multifamily, office buildings & workplace. Building Design + Construction ranks Corgan as the No. 1 data center, No. 3 airport, No. 4 overall and No. 6 education architecture firm.

2. SPS+ Architects

3. Gensler

4. DFDG Architecture

5. Cawley Design Studio

6. DAVIS

7. DLR Group

8. RSP Architects

9. ADM Group

10. Grace Design Studios (formerly Orcutt | Winslow)

Top 10 interior design companies in Arizona (workforce of 19 or fewer)

Here are the Top 10 interior design companies in Arizona (workforce of 19 or fewer), as featured in the 2026 edition of Ranking Arizona:

1. McCarthy Nordburg

Background: McCarthy Nordburg provides interior architectural design services through a team of experienced and curious designers who deliver smart workplace solutions within the professional services sector of the commercial real estate market. The firm’s design process is centered on building trust and achieving customized outcomes for each client, beginning with attentive listening and strategic questioning to gain a comprehensive understanding of project goals. McCarthy Nordburg is committed to designing workplaces that authentically reflect each client’s unique brand and culture. Collaboration with both internal and external partners is a cornerstone of the firm’s success.

2. STG Design

3. Krause – Architecture + Interiors

4. Phoenix Design One

5. triARC architecture & design

6. dpa architects

7. Allen + Philp Architects-Interiors

8. Deutsch Architecture Group

9. evolution design

10. Vallone Design

Ranking Arizona: Think someone else should be on the list? To make your vote count in the 2026 edition of Ranking Arizona, click here to vote.