Service Portfolio: It defines services provided by service providers across the market and all customers. The objective of ITIL Service Portfolio Management is to manage the Service Portfolio. Service Portfolio Management ensures that the service provider has the right mix of services to meet the required business outcomes at an appropriate level of investment.
Service Catalogue is a subset of Service Portfolio. Services ready to be offered to customers are listed in this catalog. An IT Service Catalog is a list of available technology resources and offerings within an organization.
Service Pipeline consists of services under development. It is a great opportunity to view the direction of a service provider's growth as it discusses and includes the future services that are currently under development by the service provider.