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Expert Construction and Renovation Services

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Imagine what your business could be - we can build it.

At GbOSS, our construction and renovation services expertise ranges from design-build to finish work. As an 8(a) Certified contractor, we utilize our skillset as general contractors to assist federal clients to ensure successful project outcomes.

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What Our Clients Say

“(GbOSS) was very good in meeting all project requirements. Project was very well managed.”

Raymond J. Porter, Lead Contracting Officer
General Services Administration

“The project management team did an excellent job communicating with the COR throughout the duration of the project, including the shutdown.”

Kirk Swiantek, Contracting Officer
National Guard Bureau-AQ-C

“Contractor went above and beyond, installing or adding items to the project that increased efficiency, constructability and longevity.”

Jerry Perry, Contracting Officer
US Fish and Wildlife Service