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 on engineering and technology, provision of sales and marketing services, technical support, and other related services. It operates in the following business segments; Turnkey Design Services which generates maximum revenue, Specific Design Services, and Other services. Geographically, the company generates a majority of its revenue from Northeast Asia and the rest from Southeast Asia.