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Based in Phoenix Arizona, Gilliam Architecture LLC is a full-service firm offering complete architectural, planning, design, and construction related services for any type of project.   Our focus is on providing unparalleled design quality and service that not only meets, but exceeds the expectations of our clients.  We strive for design excellence in everything we do, and we understand that great architecture should incorporate the many cultural, social, technological, and economical influences within our diverse society.  It is our belief that architecture should be creative, practical, and environmentally responsive while inspiring and enriching people’s lives.  This is the basis of our work and our passion.

Integral to this philosophy for design, we also believe that the process for achieving great architecture is equally important as is the resultant product.  This is why we maintain close collaborations with our clients, the contractors, consultants, and the local communities throughout the development of every project.  We maintain open communication and we help guide our clients through each phase of the architectural process from beginning to end.  It is this process guidance and team building approach that allows for a rewarding and enjoyable design experience. 

At Gilliam Architecture LLC we believe that our work is more than just designing buildings.  We believe our work honors the unique qualities of the environment, its purpose, and the people for which it is built. 



Pre-Design & Feasibility Studies

Zoning & Site Analysis

Master Planning

Conceptual & Schematic Design

Design Development

Landscape Design


Construction Documents


Bid Review

Construction Administration & Management

Interior Design

Custom Furniture Design

BIM Building Information Modeling

Illustrations 3D Graphics & Animations