商科文凭课程通过探索包括金融，会计，经济学，定量方法，管理和市场营销在内的广泛学科，为学生提供专业的商业职业和进修商业或会计专业的准备。商科文凭的毕业生将有资格使用他们在SIBT学习期间或进入大学获得与商务相关的学士学位的第二年时获得的实用团队合作和沟通技巧，获得入门级的商业职位。
A Diploma of Commerce prepares students for a professional business career and further study in business or accounting, by exploring a broad range of disciplines including finance, accounting, economics, quantitative methods, management and marketing. Graduates of the Diploma of Commerce will be qualified to gain entry level business positions using the practical team work and communication skills which they have acquired whilst studying at SIBT or enter second year of a business related bachelor's degree at university. The course can be completed over two or three sessions. It comprises of core (mandatory) and elective units.