ION Group, also known as Ion and Ion Investment Group, is a financial data and software company headquartered in London. The company has expanded rapidly through a series of acquisitions. The Financial Times has compared it to Bloomberg L.P., although it has a low profile.[1]
Background
After studying at the University of Bologna, Andrea Pignataro later received a doctorate in mathematics from Imperial College London. He then worked as a bond trader in London. While working at Salomon Brothers, Pignataro led a joint venture with Pisa-based software firm List Holdings. The business would become Ion Trading UK, the start of ION. In 1999, Pignataro left Salomon Brothers in London to establish ION as an independent company.[1] Pignataro also founded an investment firm with fellow traders after leaving Salomon Brothers but by the early 2000s, he was fully focused on Ion.