A business process outsourcing company BPO company works and operates in two main areas: back-office and front office operations. Back-office operations & services involve: tech-based & IT services, accounting & finance, payment activation & processing, human resources management, regulatory compliance, engineering, development, and quality assurance. On the other hand, front office BPO operations & services generally include customer-focused services such as technical customer support, call center outsourcing, sales, and marketing.