Exclusive buyer-broker agreements aren’t the only contracts that agents deal in, but it is the most common one. Like a lot of real estate lingo, this contract goes by a lot of names. Buyer’s agency agreement, buyer-broker agreement, exclusive buyer agency agreement, etc. Whatever they call it they all break down into a few key elements. Real Estate Brokerage Agreement Buyer Brokerage Agreement. Another widely used contract between agents and clients is Exclusive Agreements. The exclusive agreement is most common whether it's a buyer-broker contract Termination. Clients who wish to terminate or cancel a real estate brokerage Definition of Buyer's Agency Agreement A buyer's agency agreement, also known as a buyer's representation agreement, is an agreement signed by a prospective buyer that authorizes a licensed brokerage firm, and usually a specific real estate agent at the brokerage firm, to represent the buyer in buying a home.