1. A method for determining a service in a service model to expose, the method comprising: determining a granularity of a service of the service model; re-factoring and refining a service portfolio and a hierarchy of the service model, wherein the re-factoring and refining comprises at least one of: eliminating at least one service and consolidating at least one set of services; adapting a set of Service Litmus Tests (SLT) and service exposure scope to the service model, wherein at least one SLT of the set of SLTs is a project customized SLT or a client customized SLT; applying at least one SLT of the set of SLTs to the service model, wherein each SLT applied to the service model is rated on a non-binary scale with an applicability of the SLT to the service based on previous security, performance, maintenance, monitoring, and management of the service model; comparing the results of the at least one SLT of the set of SLTs to a predetermined threshold associated with a stakeholder associated with the service model and associated with the project or the client: verifying if the service model achieves business and technical needs of the stakeholder based on the results of the comparison of the results of the at least one SLT to the predetermined threshold; and exposing the service in the case that the results exceed the threshold.