A method and a system of business channel synchronization are provided. In one example embodiment, a network-based commerce system may receive, via a network and from a client application, update data related to a user listing, update a record related to the user listing, utilizing the received update data; and communicate, via the network, the received update data reflecting a further update to the record related to the user listing to the client application. In one example embodiment, a client system may comprise a communication module, a listing manager, a synchronization engine, an upload module, and a user interface module. In one example embodiment, a user may synchronize the user's listing data from a client application to one or more network-based commerce systems. In an alternative example embodiment the user may synchronize the user's listing data from one or more network-based commerce systems to a client application.