According to SBDCNet, there were about 50,000 janitorial franchises in the United States as of 2012, while PRNewswire cited 765,000 outlets including 44,000 franchises as of 2014. IBISWorld's market research indicated 857,434 businesses participating in janitorial services as of 2015.
PRNewswire notes that the market employs nearly one million people ranging from small operations to industries with over $2 billion in revenue. SBDCNet estimated that there were 2.3 million janitorial jobs in 2010.
According to SBDCNet, carpet and upholstery cleaning accounts for 10 percent of the industry annual revenue of $35 billion. and Franchise Help estimated annual revenue at $40 billion as of 2010.