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GBA is a Kansas City based full-service professional design firm providing architectural and engineering services to a wide variety of clients in both the public and private sectors.

Since GBA’s inception in 1969, the firm has grown in both size and capability and now has a staff of 200, operating from offices in Missouri, Kansas, Nebraska, Illinois, Texas, Iowa and Colorado. GBA’s Buildings Group is comprised of two studios: Life Sciences, providing full-service design for clients in animal and human health; and Critical Facilities, which brings expertise in the design and renovation of facilities that demand 24/7 uptime. We work on projects across the U.S.




9801 Renner Blvd
Lenexa, KS 66219


(913) 492 0400



Tim Ross
Dan Abitz
Mike Glasker
Craig Rogge
Molly Oller
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