OCI International Holdings Ltd operates as an investment holding company. It operates through the following segments: Securities trading and Investments, Trading of wines, Investment, and financial advisory services, and asset management. The Securities Trading and Investments segment focuses on investing and trading in listed equity securities, fixed income products, private funds, and private equity opportunities. The Investment and Financial Advisory Services segment provides business consulting and advisory services. The firm derives the majority revenue from the Securities trading and Investments segment in Hong Kong.