Established in 1980, Accredited Building Services is a janitorial contracting company that provides a range of cleaning services. Its services include dusting, mopping, vacuum cleaning, trash removal, and wall and floor maintenance. The company also specializes in the stain removal, soil protection and water extraction of carpets and upholstery. Additionally, Accredited Building Services performs ceramic, tile and concrete floor scrubbing, sealing and polishing work. It also cleans windows and offers a range of construction clean-up services. The company provides assistance with the pressure washing of walls, parking spaces and garages. It conducts sidewalks and dock sweeping and handles the light maintenance of restrooms.