Real estate agents and real estate brokers are people who represents sellers or buyers of real estate or real property. Sell My Houses Fast - Eastvale, California While a broker may work independently, an agent usually works under a licensed broker to represent clients.[1] Brokers and agents are licensed by the state to negotiate sales agreements and manage the documentation required for closing real estate transactions. Buyers and sellers are generally advised to consult a licensed real estate professional for a written definition of an individual state's laws of agency.