This report presents a comprehensive network design and implementation plan for Priority Advertising Company, an SME with offices in Brisbane and Toowoomba. The report addresses the company's need for an upgraded IT infrastructure to support its growing customer base and operational requirements. It includes an executive summary, table of contents, and introduction outlining the company's current situation and the need for improved network performance, security, and scalability. The project proposal details the IT infrastructure services to be implemented, including internet, email, file sharing, DHCP, DNS, databases, and security. The report outlines the network requirements, goals, and objectives, such as resource sharing, reliability, increased performance, security, scalability, and manageability. The methodology section describes the hierarchical network design technique and top-down approach used. A detailed timetable, technical solutions, budget summary, and future plans are also included, along with network diagrams, tables, and activity breakdowns. Finally, recommendations and conclusions are provided, based on the analysis and proposed solutions. The report aims to provide Priority Advertising with a robust and efficient network infrastructure to support its business operations.