CoreOne Technologies, A Markit Company | 3,695 followers on LinkedIn. In 2015, Markit (Nasdaq: MRKT), a provider of financial information services, announced the completion of its acquisition of CoreOne Technologies, a global leading provider of regulatory reporting, index management, data management and prime brokerage services to financial institutions. About Markit Markit is a leading global provider of financial information services. We provide products that enhance transparency, reduce risk and improve operational efficiency.