Quality Building Services & Quality Protection Services are certified Women Owned Business Enterprises. Both are leading loca ... l commercial Building Services Contractors. We are NYC-focused where we service some of the premier commercial building assets in the City for individual and institutional owners. QBS and QPS are celebrating 20+ years of continuing success as WMBE Trusted Partners. QBS and QPS provide top-quality services with their direct, dedicated employees, in the following segments of the building service industry: • Janitorial • Window Cleaning • Metal & Marble Cleaning and Maintenance • Engineering • Security QBS clients have the support of our 7/24/365 Midtown Manhattan Command Center. Along with a fleet of Company-owned emergency vehicles, specialized equipment, and highly trained staff, we stand ready to assist our clients whenever an emergency arises. We pride ourselves on safety and innovation, including offering advanced COVID-19 disinfecting services. QBS is unparalleled in its capability to meet a multitude of building services needs with our own trained and supervised team of workers, supervisors and managers, assuring consistent high-quality results and clear accountability. Please contact us for a consultation of your property to analyze how you can enhance your current operation and discover cost control opportunities. read more