The Service Integration Maturity Model (SIMM) is a standardized model for organizations to guide their transformation to a service based business model. By having a standard maturity model, it becomes possible for the organizations or industry to benchmark their SIMM levels, to have a roadmap for transformation to assist their planning and for vendors to offer services and software against these benchmarks. The Service Integration Maturity Model (SIMM) is a standardized model for organizations to guide their transformation to a service based business model. By having a standard maturity model, it becomes possible for the organizations or industry to benchmark their SIMM levels, to have a roadmap for transformation to assist their planning and for vendors to offer services and software against these benchmarks.