As cloud services and associated pricing models are evolving, there has been added pressure on Cloud Service Providers to invest in complex billing solutions instead of utilizing existing billing infrastructures. Billing for cloud services is not as complex as one might think. In most cases, a costly billing system transformation is not necessary. Instead, we need to look at an evolutionary solution with the priority to join cloud services with existing billing infrastructures. Using this modern approach helps ease the overall impact to organizations by reducing technical obstacles and operational risks.