Architecture, Engineering and Construction
Proudly Serving St. Louis.
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In-house affiliates for every project.
Unified Team. Multiple Affiliates.
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Responsive and Reliable Solutions for St. Louis.

GBA logoFor 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 AEC solutions to a variety of markets for the city of St. Louis.

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 St. Louis, MO, GBA is deeply committed to providing our clients with the highest quality services. We understand the unique challenges and opportunities of the St. Louis area and have built strong relationships with local contractors, suppliers, and regulatory agencies to ensure that our projects are completed smoothly and efficiently.

Our architectural services begin with a thorough consultation. Our experienced St. Louis architects then use this information to design buildings and structures that are both functional and aesthetically pleasing. We also ensure that our designs meet all applicable codes and standards, including those specific to the ST. Louis.
What sets GBA apart from other architects in St Louis is our experience. Our engineering services include the design and analysis of various building systems. By strategically utilizing cross-market and affiliate collaboration, GBA Engineering clients transition from dream to reality and ensures projects are completed on time and on budget.
Our team of construction managers has extensive experience in managing construction projects of all sizes and complexities. GBA is equipped with the latest technology and equipment to ensure our clients' projects are completed on time, within budget, and to the highest quality standards.
Project Management
GBA oversees the design, engineering, and construction phases of a project, as well as managing budgets, schedules, and personnel. GBA work closely with other members of the AEC team to ensure that the project is completed on time, within budget, and to the specified quality standards.
Our Culture
Discover how we support our team’s growth and our clients’ vision
A culture that encourages curiosity, collaboration and transparency ensures that we leverage the full breadth of our team’s talents.
Evolving how we serve clients and improve complex environments
GBA is committed to providing architecture, engineering, construction and technology services, to support clients with advanced, data-driven solutions.
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Insights and News

Learn how our experts are driving change with innovation and thought leadership.

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BlogThought Leadership
5 Things to Consider When Conducting Laboratory Site Selection
Stem is Femme – Holly Lehmkuhl and Kendra Miller
BlogThought Leadership
GBA Ranked 10th Largest Engineering Firm in Kansas City

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16305 Swingley Ridge Road, Suite 300
Chesterfield, Missouri 63017


Careers at GBA
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GBA is a place where passionate, ambitious people come to learn and grow.
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Let’s create something remarkable together
We will bring the complete team to meet your needs and move your project forward. Contact GBA today.
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