Revenue Assurance is a business process to identify, measure & prevent the risk point of revenue leakage – the difference between expected revenue and actual revenue to assure minimum opportunity loss. The billing solution is a data quality and process improvement method that improves profits, enhances financial performance, revenues and cash flows without influencing demand. It can cut down the amount of money lost due to faulty billing software, redundantly provided services and frauds. Revenue assurance is a billing system for telecom companies that removes inconsistencies in billing process for optimum accuracy.