What are the main business types and contents of securities companies?

A securities company is a legal person enterprise specializing in securities trading. According to the functions of securities management companies, they can be divided into securities brokers, securities dealers and securities underwriters. 1, stockbroker. That is, the securities brokerage company. Securities institutions that buy and sell securities as agents accept the entrustment of investors to buy and sell securities on their behalf, and charge a certain handling fee, that is, commission. 2. Securities dealers. That is, comprehensive securities companies, in addition to the authority of securities brokerage companies, can also buy and sell securities by themselves. They are well-funded and can directly enter the exchange to buy and sell stocks for themselves. Such as Guotai Junan Securities. 3. Securities underwriters. An institution that helps issuers sell securities by underwriting or consignment. In fact, many securities companies operate these three businesses at the same time. According to the current practice in various countries, all member companies of a stock exchange can conduct proprietary trading in the trading market, but few securities companies specialize in proprietary trading.