A listing agreement is a contract between homeowners and brokers that legally establishes how a realtor will find a property buyer on the seller's behalf. This guide will help you to understand the changes and the proper way to fill out the forms.I go over, chat with her, get listing agreement signed. We put the listing in the MLS, upload all documents and listing agreement. A contractual agreement under which the listing broker acts as the agent or as the legally recognized non-agency representative of the seller(s). This article will help you become more familiar with the three different listing agreements and in what situation they may be used. Who controls the listing? The brokerage owns the listing and has total legal authority over that contract. Offer to Purchase and Contract to Seller. Many parts of these contracts may not be changed.