A brokerage firm is a financial institution that facilitates the buying and selling of securities, serving as an intermediary between buyers and sellers. Authors like Charles Duguid highlighted brokers' dependence on commissions and their dual function as facilitators and occasional speculators, while Henry Howard Harper stressed the transparency of brokerage practices in accessing corporate reports.
Walter Thornbury portrayed brokers as essential agents carrying out orders on behalf of clients, emphasizing their key role in market dynamics. These viewpoints together demonstrate the brokerage firm's function as a regulated intermediary, connecting market participants through organized transactions.