Big Data Solutions was founded in Saint-Petersburg in August 2016 andis the official exclusive development partner of OneMarketData. Our products are used by financial organisations all over the world.There are two solutions: Surveillance and BestEx.OneTick Surveillance is a market leading solution used by tier 1 banks, routing and executing brokers, clearing firms, FCMs, market-makers, retail brokers, and buy-side firms in both fully hosted and deployed configurations. OneTick Best Ex is an agile, platform-based solution to regulatory and competitive execution quality monitoring and optimization. It is built on OneTick, the world's most advanced tick data management and streaming analytics platform.