JLL (also known as Jones Lang LaSalle) is a professional services company specializing in real estate and investment management. It operates through four segments: Real Estate Management Services, Leasing Advisory, Capital Markets Services, and Investment Management. The Real Estate Management Services segment provides facility and property management, project management, portfolio management, software, and technology solutions. The Leasing Advisory segment offers agency leasing, tenant representation, and advisory and consulting services. The Capital Markets Services segment focuses on investment sales, debt and equity advisory, valuation and risk advisory, and loan servicing services. The Investment Management segment specializes in investment management services to institutional investors and high-net-worth individuals.