Software Development, IT, BPO, Call Center, F&A Outsourcing, Ecommerce Support – Invensis Invensis, a global business process outsourcing BPO company offering a range of services including IT, finance and accounting, transaction management, etc. Invensis, a leading IT, Business Process Outsourcing (BPO) and Call Center Services Company, specializes in software application development, ecommerce support and back office solutions including F&A, data entry, data mining, catalog management and more.