This industrial research paper examines the business communication systems of two Australian companies: Tyro Payments, a large financial institution, and Ausway, a small-medium enterprise in the cartography and publishing sector. The paper compares their infrastructure, including cloud IaaS and basic server database systems, analyzes their security measures, and explores the potential impact of Ausway being acquired by Tyro Payments. The research highlights the importance of effective business communication for organizational growth and customer relationship management.