Sub-agent Sub-agent Sub-agent (Sub-agency) is a real estate term in the United States and Canada describing the relationship which a real estate broker and his/her agents have with a buyer of a business, home, or property. Lasting until the early 1990s, the broker provided a conventional full-service, commission-based brokerage relationship under a signed listing agreement only with a seller, thus creating an agency relationship with fiduciary obligations under common law in most of the US and Canada. The seller was then a client of the broker. However, no such agency relationship existed with the buyer, and the broker's agents helped the
Estate agent to the USA called MLS (multi listing service). This is where a main agent will take on a property and send details via the most to other local (sub) agents. The sub agents will market and introduce applicants to the main agent. MLS can achieve more offers, sell a property quicker and is offered by agents as a premium service. In the US property data is passed from the agents software by the RETS data feed schema. In the UK the INEA idx (information data exchange) data feed is being adopted by many software to receive sub (mls) property listings