At MCS, our expertise is commercial construction,
but our mission is building lasting partnerships.

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Full Service Commercial Construction

MCS is a full-service St. Louis commercial construction firm, founded on the belief that a dedicated team of professionals with the highest level of integrity and shared devotion to customer service is a business model for success. These values remain at the heart of our business strategy and are more important now than ever before.

We specialize in the construction and development of office, industrial, and retail projects. Our company provides a wide spectrum of construction services including Owners Representation, Construction Management, Plan and Spec, and Design/Build projects. Our principals have over 50 years of combined experience, yet we approach every day with the same goal: serve our clients in a manner that builds lasting relationships.

 
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"Very impressed with both the communication and quality of work. Lou is awesome to work with and a perfectionist – so I knew our project would be done better than expected."

ROI - Mercy

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"Tom Helmkampf did a wonderful job for the St. Louis Bridge Center. Without exception, the people with whom we dealt were knowledgeable, polite, responsive, prompt, hardworking and nice... Tom handled our project as if it were his own, is a person I trust, and completed our project on time and under budget."

St. Louis Bridge Center

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