The invention concerns a computer network for services retrieval consisting of one or more computer systems and one or more service providers. The computer system may comprise one or more clients. On the computer system one or more network accessible client tools are running. The client tools may be enriched with services. According to the invention the computer network comprises one or more subscription management components. The subscription management component manages and secures specific client tool related communications between the one or more computer systems and the one or more service providers. The invention also concerns a computer system for application in the computer network, as well as a method for managing the network.