Brokerage (noun)

1. The business of a broker.
2. A firm that acts as a broker in buying and selling securities or other assets.

Origin:

From broker + -age, first recorded in the early 19th century.

Examples:

1. He worked for a brokerage firm.
2. The brokerage handled the stock trade.
3. She was a licensed broker at the brokerage.
4. The brokerage had a reputation for providing excellent customer service.
5. He opened a brokerage account to invest in the stock market.