Brokerage firms handle two kinds of accounts:

Brokerage firms have to be licensed by the Securities and Exchange Commission to buy and sell securities for their clients´ and own accounts.

Brokerage firms come in a wide variety, either small firms or big firms with offices around the world. Brokerage firms can work from commodities and bonds, to finding a food supply for a restaurant manager. And now the trading orders can be over the phone or online.