GMCS is a comprehensive facility and property maintenance provider specializing in pressure washing, surface floor cleaning, and full-service janitorial solutions. We help businesses maintain clean, safe, and professional environments that leave a strong first impression on customers and tenants. With over 20 years of hands-on experience in facility maintenance—including previous work as an Asset Manager—Gregory Martinez brings deep operational knowledge, attention to detail, and a client-first approach to every project. Today, GMCS focuses on delivering reliable, high-quality maintenance services tailored to the needs of commercial properties, retail spaces, and multi-unit facilities. Our mission is simple: provide dependable services that protect your property’s value and keep your operations running smoothly.