Clayco has helped our clients’ turn their goals into groundbreaking projects for a variety of commercial building types.

Along the way, we’ve completely redesigned the way a construction company brings value to clients. Our integrated, full-services approach enables us to provide real estate services—from financing to leasing—and a truly collaborative design-build process that fast-tracks our clients’ most riskiest, complex and iconic projects.

It’s the intersection of creativity, design and execution with an eye on the practical considerations of timing and budgets. When this is all owned by a single, integrated team that operates without functional silos, the results are projects that fully meet the dreams, desires and expectations of clients.

Get In touch

Tom Sieckhaus

Executive Vice President,
Corporate Business Unit Leader


Ryan McGuire

Executive Vice President & Shareholder,
Corporate Business Unit Leader, Chicago


Gateway Plaza
Richmond, Virginia
The tower is clad in a high-performance glass curtainwall system with both butt-glazed facades and expressed aluminum frames. — This elegant, state-of-the-art...
World Wide Technology Headquarters
St. Louis, Missouri
The headquarters appears to rise out of the lake with an exterior private patio on the north side overlooking the...
Centene Plaza Parking Garage
Clayton, Missouri
This garage is a true representation of a composite retail and open air garage design — This design-build twelve-story precast parking garage...
Citi Processing Center
Urbandale, Iowa
The expansion provided Citigroup with much needed office and service center space. — Clayco completed construction of a 170,000-square-foot, single-story transaction and...
Zenith Ridge at SouthPointe
Pittsburgh, Canonsburg
The Zenith Ridge buildings are uniquely positioned to enhance their presence from the Interstate 79 corridor to the south and...
CORTEX One Multi-Tenant Laboratory Facility
Sustainable building practices were key to the delivery of this project, which included using finishes and materials with low volatile...
The Plaza in Clayton
St. Louis, Missouri
In addition to premier office space, the project includes a restaurant, retail space and an underground office parking structure. — Located at...
Solae Global Headquarters
The world leader in developing soy-based technologies and ingredients, Solae’s commitment to environmental stewardship is reflected in the design and...
Centene Claims Processing Center
Ferguson, Missouri
This project aims to support the Ferguson community and provide new opportunities for residents in both construction and future career...
St. Louis, Missouri
The new lobby was completely redesigned to feature a more contemporary look. — Clayco recently finished the first phase of renovations to...