Established in 2001 as TN Asset Management. The company developed into the second largest asset management firm in Zimbabwe before acquiring a Finance House in 2006 which was renamed TN Financial Holdings. In 2009, TN Financial Holdings successfully completed a reverse merger with Tedco, a Zimbabwean furniture company, to form TN Holdings Limited, a listed company. In February 2009 TN bank launched commercial banking operations after having operated for ten years as a Finance House. TN Bank expanded it’s branch network throughout the country by leveraging on capital & consumer goods such as furniture and groceries offered by Group Subsidiaries.

Econet Wireless Zimbabwe Limited acquired 100% shareholding in TN Bank in January 2013. Although Econet Wireless Zimbabwe Ltd, (EWZL) is a public listed company, on the Zimbabwe Stock Exchange, it is a subsidiary of a privately held international group called Econet Wireless Global, which is registered in Mauritius. Econet Wireless Global has operations, and business interests, in more than 17 countries around the world, including Zimbabwe

At an extra ordinary meeting held on 22 November 2018 , EWZL shareholders approved the de-merger of the Smart Technology (“Smartech”) business within EWZL to Cassava Smartech Zimbabwe Limited (CSZL) . This included Steward Bank Limited .

Cassava Smartech Zimbabwe Limited is a Fintech Company listed on the Zimbabwe Stock of Exchange effective the 18^th of December 2018.