Change Financial Limited, a fintech company, offers payment-as-a-service solutions in South East Asia, Oceania, Latin America, the United States, and internationally. It provides Vertexon PaaS, a physical and virtual card issuing and transaction processing platform; and PaySim, payment testing solution. The company was formerly known as ChimpChange Limited and changed its name to Change Financial Limited in July 2017. Change Financial Limited was incorporated in 2011 and is based in Brisbane, Australia.