Wise Wise (formerly TransferWise) is a London-based financial technology company founded by Estonian businessmen Kristo Käärmann and Taavet Hinrikus. (formerly TransferWise) is a London-based financial technology company founded by Estonian businessmen Kristo Käärmann Kristo Käärmann is an Estonian businessman. and Taavet Hinrikus Taavet Hinrikus is an Estonian businessman. . The company was founded in 2011.