Our Services
Commercial Janitorial Services
Professional recurring cleaning for commercial offices, warehouses, retail properties, universities, schools, pharmaceutical facilities, and other large facilities.
Post-Construction Cleanup
Detailed post-construction cleaning that removes debris, dust, and leftover materials to prepare newly built or renovated spaces for occupancy.
Floor, Carpet & Detail Cleaning
Strip and wax floors, carpet shampooing, exterior window cleaning, sanitization, and detailed commercial facility cleaning.
Facility Maintenance Services
Pressure washing, painting, salting, snow removal, light replacement, minor repairs, fixture assembly, drywall repair, and other maintenance support.
About Us
A Plus Cleaning Services, LLC is a family-owned cleaning and facility services company headquartered in Columbia, Maryland. Founded by President Donna Davis in 2003, the company began as a home cleaning service and expanded into a broad commercial janitorial and facility operation serving businesses and large properties across multiple states. A Plus specializes in commercial cleaning and janitorial services and is a preferred vendor of FedEx. Its commercial portfolio includes office buildings, warehouse facilities, auto dealerships, universities and schools, retail properties, pharmaceutical facilities, and other large commercial environments. The company also provides post-construction cleanup, floor care, carpet cleaning, exterior window cleaning, sanitization, snow removal, pressure washing, painting, light maintenance, and other facility support services. A Plus emphasizes 24/7 year-round availability, dedicated supervisors on job sites, trained janitorial staff, and customized cleaning solutions based on each facility's needs. The company currently serves Maryland, Virginia, Delaware, Pennsylvania, North Carolina, Florida, and surrounding markets.