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Headquarters Offices and facilities in Sri Lanka, Boston, New Jersey, London and Mumbai

MillenniumIT is a technology company founded in 1996 by Tony Weeresinghe. It was sold to the London Stock Exchange in 2009. The MillenniumIT technology replaced the LSE's previous TradeElect platform and now is the main technology behind the exchange. [1]


Millennium Information Technologies was founded in 1996 following a management buyout of the open systems division of ComputerLand Sri Lanka, a Sun Microsystems authorized reseller. Starting out as a systems integrator in Sri Lanka, MillenniumIT soon moved into the field of application software design and development, which is now the company's main source of revenue.[2]

The catalyst for the change was a systems integration contract from the Colombo Stock Exchange (CSE), which was reinterpreted as an opportunity to design and install a straight-through processing system for the exchange. The CSE solution became the basis for MillenniumIT's suite of capital markets software products that followed.

Products and Services

Key People


  1. LSE closes in on £50m MillenniumIT.
  2. Company History. MillenniumIT.