JLL is a global professional services firm specializing in commercial real estate and investment management. The firm traces its origins to 1783 through predecessor companies in the United Kingdom and was formally established in its current structure in 1999 following the merger of Jones Lang Wootton and LaSalle Partners. JLL is headquartered in Chicago and operates as a publicly traded company listed on the New York Stock Exchange under the ticker symbol JLL. The firm provides a broad range of services across the commercial real estate lifecycle, including leasing advisory, property and facilities management, capital markets, valuation, and investment management. Through its LaSalle platform, JLL also offers institutional real estate investment management services. Over time, the company has expanded its capabilities through strategic acquisitions and investments in real estate technology, positioning itself as a diversified real estate services provider. JLL serves corporate occupiers, investors, and public sector entities across major property types, including office, industrial, retail, residential, and specialized assets. The firm’s long operating history and continued expansion have established it as one of the largest global real estate advisory organizations.