The invention relates to a method and a system for providing an automated searching service operating in a data network on a real estate market. A potential buyer looking for a suitable object is represented by a purchase advertisement provided with certain constraint requirements. A potential seller selling a certain object is represented by a sales advertisement provided with the distinguishing features of the object on sale. The purchase advertisement and the sales advertisement are stored in a data base. The automated searching service is symmetrical such that the potential seller is offered an opportunity to receive a report presenting the purchase advertisements selected on the basis of predefined requirements and, correspondingly, the potential buyer is offered an opportunity to receive a report presenting the sales advertisements selected on the basis of predefined requirements.