AO (formerly Architects Orange) is a full-service architecture, planning, and design firm with 40 years of experience, specializing in a wide range of projects including retail, residential, commercial, mixed-use, hospitality, office, restaurant, entertainment, and civic. Known for its innovative design solutions and client-centric approach, AO has built a strong reputation for delivering high-quality architectural services for projects across the United States and internationally.
Serves as the central hub for design innovation, project management, client collaboration, and corporate administration for AO's extensive portfolio.
The office is situated within the charming Old Towne Orange Historic District, blending modern architectural practice with a rich local heritage. It features collaborative studio spaces equipped with state-of-the-art design technology.
AO fosters a dynamic and collaborative work environment, emphasizing creativity, teamwork, continuous learning, and a strong sense of community among its diverse team of professionals. They value passion, integrity, and a commitment to excellence.
The Orange headquarters is significant not only as AO's foundational office and largest studio but also for its integration into a historic community, symbolizing the firm's respect for context and commitment to enduring design.
While primarily focused on projects across the United States with multiple regional offices, AO also undertakes select international projects, leveraging its diverse expertise for clients globally. Their core functions supported globally include architectural design, master planning, and interior design services, extending their innovative solutions beyond national borders when opportunities arise.
144 N Orange Street
Orange
CA
USA
Address: 1075 Peachtree Street NE, Suite 3675, Atlanta, GA 30309
To provide localized design expertise and project management, foster client relationships, and tap into the talent pool in the Southeast region.
Address: 1111 Broadway, Suite 1650, Oakland, CA 94607
Strengthens AO's presence in a key California innovation hub, allowing for closer collaboration with regional clients and partners.
Address: 20 N Orange Avenue, Suite 1400A, Orlando, FL 32801
Caters to the specific architectural needs and opportunities within Florida's rapidly growing economy and unique development landscape.
Address: 300 N Willson Avenue, Suite 3007B, Bozeman, MT 59715
Provides specialized design services tailored to the environmental and aesthetic context of the Mountain West, serving a growing demand for quality architecture in the region.
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As of April 2025, AO' leadership includes:
AO has been backed by several prominent investors over the years, including:
AO operates under a partnership model where leadership is composed of numerous partners. The firm continuously evolves its leadership through internal promotions and strategic additions of partners. As a private firm, specific 'executive' hires or exits, akin to C-suite changes in publicly traded companies, are not typically publicized in the same manner. No prominent, publicly announced C-level executive hires or departures have been noted in the past 12 months.
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AO primarily utilizes an email format combining the first initial and the full last name of their employees for their corporate email addresses.
[first_initial][last]@aoarchitects.com
Format
jsmith@aoarchitects.com
Example
85%
Success rate
CLADnews • March 20, 2024
AO has designed a new 'city changing' medical education building for Chapman University in Irvine, California. The 147,000sq ft facility will consolidate all of Chapman's health science programmes under one roof....more
AO News (aoarchitects.com) • March 19, 2024
AO announced its innovative design for Chapman University's expanded Health Sciences Campus. The new College of Medicine Education Building II aims to be a landmark facility, fostering interdisciplinary collaboration and advanced medical education....more
AO News (aoarchitects.com) • November 28, 2023
AO announced the opening of its new office in Orlando, Florida. This strategic expansion aims to better serve clients in the Southeastern U.S. and leverage the region's growing market opportunities in various sectors including hospitality and entertainment....more
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