Fidessa group Holdings Ltd (formerly Fidessa Group Plc), is a British-headquartered company which provides software and services, such as trading and investment management systems, analytics and market data, to buy side and sell side clients in the financial services sector. It was listed on the London Stock Exchange and was a member of the FTSE 250 Index before it was acquired by ION Investment Group, which also owns financial content provider Dealogic and financial media group Acuris. The company was founded in 1981 as Intercom Data Systems (IDS): it was later renamed royalblue Group plc, and consisted of two separate operating divisions, royalblue Financial and royalblue Technologies. With the group's core trading platform, Fidessa, being better known in the market place, the Royalblue Group plc changed its name to Fidessa Group plc following shareholder approval at the AGM held in April 2007. In November 2008, Fidessa launched its Fidessa Fragmentation Index. In April 2011, Fidessa launched the Tradalyzer that provides detailed trading analysis. More information...
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