Hundreds Leave Fidessa After Ion Acquisition

Current and former employees of the London-based software provider say around 400 employees have left in the last year.

For a deep dive into what is going on at Fidessa, click here. WatersTechnology spoke with 16 current and former Fidessa employees, Ion’s Domhnall McCormack, users of the Fidessa platform, and dozens of other industry experts to get a better feel for what has happened inside of Fidessa in the year since the acquisition. 

At least 400 employees have left Fidessa in the 12 months since it was acquired by Ion Group, according to six employees of the British financial software company, five of

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