A technique is provided for implementing multiple Web services on a multi-functional device (MFP) executing multiple service applications. A Device Facility Manager (DFM) executing on the MFP represents the MFP by responding to discovery, metadata, and logging requests with device location, metadata and logging information. When a client application discovers the services provided by the MFP, the client application may communicate directly with a service application executing on the MFP. The client application requests the service metadata of the service application and then transmits SOAP requests, which the service application processes. The implementation of one or more Web Service specifications may be packaged into one common module so that the complexity of the Web Services is hidden from developers. New services may be added to the MFP and existing services may be updated through communication with the DFM.