Hong Kong:
1. CLSA (Citicorp Lyonnaise Securities Asia): A leading brokerage and investment bank with a strong presence in Hong Kong.
2. HSBC Securities (Hongkong and Shanghai Banking Corporation Securities): A brokerage arm of HSBC, one of the largest banks in the world.
3. UBS Hong Kong (Union Bank of Switzerland): A Swiss multinational investment bank with a significant presence in Hong Kong.
4. JP Morgan Chase Hong Kong (JPMorgan Chase & Co.): A renowned American multinational investment bank with a strong presence in Hong Kong.
5. BOCOM International (Bank of Communications International): A brokerage arm of Bank of Communications, one of the largest banks in China.
China:
1. CICC (China International Capital Corporation): A leading investment bank and brokerage firm based in China.
2. CITIC Securities (China International Trust and Investment Corporation Securities): One of the largest securities companies in China.
3. GF Securities (GF Securities Co. Ltd.): A prominent securities firm with a strong presence in China.
4. Haitong Securities (Haitong Securities Co. Ltd.): Another major securities company in China.
5. China Merchants Securities (China Merchants Securities Co. Ltd.): A leading brokerage firm with a strong presence in China.
Keep in mind that when selecting a stockbroker, it's important to consider factors such as fees, services offered, trading platforms, research capabilities, and your individual investment needs. It may be beneficial to compare multiple stockbrokers and choose one that best suits your requirements and risk tolerance.