About Us


Gil Serrato

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Mark Sisneroz

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As former employees of the U.S. government, we have a vast knowledge of residential and commercial construction. We have a combined 68 years of experience in the construction industry and partnered to establish SER-MAR General Contracting, Inc.

A highly motivated and competent business with a strong vision to achieve successful outcomes for clients and companies. A leader with a record of success overseeing all phases of construction, infrastructure, and remodeling projects for government and private-sector clients. Backed by strong credentials and a proven history of on-time, on-budget and high quality project completions.

Demonstrated strong management skills as leaders of a motivated team. Solid knowledge of building rapport and maintaining relationships. Highly flexible, honest, and punctual with the ability to meet and exceed expectations of project completion and quality.