People who want to sell their upholstered furniture will often hire upholstering cleaning companies to spruce up their items before they advertise them to buyers. Here are two reasons why. It allows them to get their upholstered furniture clean without ruining the fabric Whilst there are lots of upholstery detergents available at supermarkets, those who want to sell their upholstered furniture items for a high price will usually opt to have their upholstered items washed by a professional instead.