Founded in 1978, INVESCO is a publicly traded company that is one of the largest independent investment management organizations. The company operates through various brands that include AIM, AIM Trimark, Atlantic Trust, INVESCO, Invesco Perpetual, PowerShares and WL Ross & Company. It provides proprietary investment solutions as well as estate, trust and related advisory services to high net worth individuals, families and foundations. The company also offers private investment and fund management services for institutional investors and family offices in the United States, Europe and Asia. Additionally, it sponsors various alternative investment products, including private equity funds, coinvestment vehicles and hedge funds.