Abstract: A method of managing the delivery of offers from suppliers to members via a spatial marketplace system involves registering potential customers as members of the spatial marketplace system by recording their names and contact details in a database. A spatial identifier is assigned to each database record, the spatial identifier being sourced from the contact details supplied during a registration process. Each member nominates one or more attributes corresponding to a commodity in relation to which the member is interested in receiving offers. Each supplier defines a geographic region in which the supplier wishes to do business and nominates one or more attributes corresponding to commodities, which the supplier wishes to sell. A spatial identifier location algorithm is used to identify the database records with spatial identifiers located within the geographical region defined by the supplier.