Oppstar Bhd is an investment holding company. Through its subsidiaries, it is principally involved in the provision of IC design services covering front-end design, back-end design, and complete turnkey solutions. The company also provides other related services such as post-silicon validation services, software and engineering solutions, research and development in engineering and technology, provision of sales and marketing services, technical support, and other related services. The group's business segments include: Turnkey Design Services, Specific Design Services, Post-Silicon Validation, and Sales of semiconductor wafers and components. Geographically, the company generates a majority of its revenue from Northeast Asia and the rest from Southeast Asia.