A mobile bill management application which facilitates secured, confidential and paperless billing services between service providers and consumers. Green Billing is first of its kind in electronic bill as it looks exactly same as paper bill minus the paper. Green Billing reduces cost for service providers. Customer receives bill anywhere and anytime to their mobile phone. Bill on Demand service is available to assist customer in usage monitoring and management before the bill is delivered. Green Billing is green to earth due to reduction of paper usage and carbon emission. Users can make payment to the service providers through Green Billing. Additional features for Green Billing should Telcos adopt the concept, bill showed is linkable to phonebook in the mobile devices. Phone numbers which is available in the phonebook will be showed as the name or nick stored in the mobile devices.