about Us

GMS is a janitorial services company serving the Washington, DC area.  Licensed, bonded, and insured, we are a minority-owned Certified Business Enterprise (CBE).  Our mission is to provide high-quality customized cleaning services at affordable rates.  We are driven by our core values, central to which is responsibility - responsibility to our clients, our employees, and our planet.

Green is the New Color of Clean

GMS is Green Clean Institute certified.  This certification attests to our commitment to providing healthy environments for our clients and staff while reducing our environmental footprint.  We use quality green cleaning products, and adhere to industry standards for green cleaning methods and best practices.

Connect with us for assistance with your next cleaning project.

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