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 & Shareholder
Corporate Business Unit Leader

+1 314-592-2221

Ryan McGuire

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

+1 312-239-1293

Confidential Technology Client Data Center
Central Ohio
Business Unit Leader & Shareholder +312-239-1293 Ed Zemaitis Vice President of Mission Critical Services +1 312-948-0711 Shelby Gardner Vice President of Mission Critical Operations +1 314-591-4486 Related...
AT&T Data Center
St. Louis, Missouri
An N+1 data center supporting AT&T’s Midwest operations. — An N+1 data center supporting AT&T’s Midwest operations. Get In touch Ryan McGuire Executive Vice...
CitiMortgage Data Center
O'Fallon, Missouri
The project utilized several new methodologies, including a thin-brick system fascia and an underfloor heating and cooling system. — Clayco provided design-build...
IT Renaissance Data Center
O'Fallon, Missouri
The project included infrastructure, a sacrificial roofing system, water cooled and air cooled backup chiller and sophisticated fire and security...
Mercedes Benz
Weldon Springs, Missouri
Unique features include large-scale murals depicting the history of the Mercedes brand and floor-to-ceiling glass surrounding the sales/service offices. — Clayco created...
Armstrong Teasdale
Clayton, Missouri
The interior office space is located on the 14th through 18th floors with a conference center and a records storage...
Cassidy Turley
Clayton, Missouri
Recognizing value in preserving and protecting the communities it serves, Cassidy Turley chose to build the offices to achieve environmental...
St. Louis, Missouri
Building amenities include state-of-the art offices for approximately 95 attorneys, conference rooms, support areas, a lunchroom and a multi-purpose room. — Clayco...
Roundarch Isobar
Chicago, Illinois
This open office environment allows the team sizes to “ebb and flow” as the project dictates. — Clayco completed tenant improvements of...
The Plaza at Boones Crossing
St. Louis, Missouri
This project includes retail space at street level designed for 11 tenants and office space on the second floor. — Located in...