Fidessa Group Plc provides trading, investment, and information solutions to financial markets worldwide. The company operates its business through its business units: Sell-side and Buy-side. The Sell-side business unit provides solutions and tools to support the trading of cash equities and derivatives globally. The Buy-side business unit provides the systems to cover every stage of the investment process for all asset classes. Fidessa Group was founded in 1981 and is headquartered in Woking, the United Kingdom.