The group chose Dell as their main brand for devices due to its affordable prices, good customer support through various channels, free upgrades, and ability to meet the needs of businesses of various sizes. They analyzed laptops from Asus, Dell, and Acer and found Dell to have the best combination of processor power, ports, battery life, and size for mobility needs. The group also selected software including WinZip for file compression, TM UniFi internet package for connectivity, Avira antivirus for system protection, UBS accounting software for financial management, and SAP for its integrated nature and ease of system maintenance.