A method and system for monitoring and managing applications and services. A repository comprising information identifying a plurality of assets and one or more relationships among the assets is maintained. One or more assets used to support an application are identified, along with one or more applications that are included in a service. Event and performance data are collected by a plurality of tools that perform monitoring and/or managing of the identified assets, the application, and/or the service. The gathered event and performance data is aggregated. The user is provided with a portal to access the aggregated event and performance data. Through this portal, the user can determine an impact of an event or a performance issue on the application or service based on the aggregated event or performance data and the relationships among the assets.