Ongo Billing++ is a payment and loyalty integrated product (Billing and Accounting software) by India Transact Services Ltd India Transact Services Ltd. (ITSL), subsidiary of AGS Transact Technologies Ltd. is an Omni- channel merchant digital payment solutions company that aims to consistently simplify the process of Transacting, Merchant Acquisition and Value Added Services. Providing cutting-edge technology and innovative payment solutions to a fast-growing merchant base across India, ITSL offers a host of products and services including payment processing platform (invoice software) for routing commercial and retail payments between buyers and sellers across the country via a unique distribution model. The company is also an independent Service organization providing services like distribution, merchant enrolment, training, activation, field support, transaction switching, network, reconciliation, settlement, and fraud & chargeback management.