When you call for a quote, a DBS Building Solutions® customer representative will ask for the sq. feet of the space, and how often they want the commercial cleaning services preformed. Then, using the information, DBS Building Solutions® uses a formula to figure out the estimate. The estimate this formula creates is the monthly charge for the cleaning service. To get a free quote from one of the best cleaning companies in the North East has to offer, call your local office or fill out the form below.