C1S Group is a design-build firm specializing in turn-key solutions for new and existing buildings.

We partner with industry-leading companies across a wide spectrum of markets to provide solutions that drive their businesses forward—without interrupting operations.

We excel at providing creative, agile solutions and consistently deliver results with rigorous timeline and budget constraints. In short, we love a challenge.

Our people.

Guided by our six core values and an unwavering commitment to client satisfaction, our mission is to make your business better.

Our multi-disciplinary team is comprised of a diverse group of professionals with expertise in engineering, construction, and sustainability.