Jones Lang LaSalle Incorporated (JLL) is an American commercial real estate services firm. The company dates back to 1783, when Richard Winstanley set up an auctioneer firm on Paternoster Row in London. In 1840, the grandson of the founder, James Winstanley, formed a partnership with James Jones. Jones passed the business to his son, Frederick Jones, who renamed the company Frederick Jones and Co. In 1872, Frederick Jones retired and his partner, C.A. Lang, renamed the company Jones Lang and Co. It is the largest company of its kind in the world The company is ranked 189th on the Fortune 500. JLL is headquartered in Chicago, Illinois, and is the second largest public brokerage firm in the world. The company has approximately 91,000 employees in 80 countries, as of 2019. Services include sales and leasing, property management, project management, and development. In 2014, the organization shortened its name to JLL for marketing purposes, while the legal name remained Jones Lang LaSalle Incorporated.