Responsive and Reliable Solutions for Seattle.
For over 50 years, GBA has been a leading firm for Architecture, Engineering and Construction services.
Backed by a team of affiliates, industry-leading experts and advanced technology, GBA delivers timely AE services and construction solutions to a variety of markets for the city of Seattle and surrounding areas.
Knowledgeable AEC Professionals
Architecture, engineering, and construction (AEC) services are an essential component of the development of any building or infrastructure project.
As a locally based AEC firm in Seattle, Washington, GBA is deeply committed to providing our clients with the highest quality services. We understand the unique challenges and opportunities of the Seattle area and have built strong relationships with local contractors, suppliers, and regulatory agencies to ensure that our projects are completed smoothly and efficiently.
Learn how our experts are driving change with innovation and thought leadership.
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20700 44th Avenue West, Suite 230