Fidessa Group Holdings Ltd. is a holding company, which engages in the provision of trade, investment, and information solutions to financial markets worldwide. It 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. The company was founded in 1981 and is headquartered in London, the United Kingdom.