Business process outsourcing (BPO) is a subset of outsourcing that involves the contracting of the operations and responsibilities of specific business functions (or processes) to a third-party service provider. Originally, this was associated with manufacturing firms, such as Coca Cola that outsourced large segments of its supply chain. In the contemporary context, it is primarily used to refer to the outsourcing of business processing services to an outside firm, replacing in-house services with labor from an outside firm.

BPO is typically categorized into back office outsourcing – which includes internal business functions such as human resources or finance and accounting, and front office outsourcing – which includes customer-related services such as contact center services.

BPO that is contracted outside a company’s country is called offshore outsourcing. BPO that is contracted to a company’s neighboring (or nearby) country is called nearshore outsourcing.

Given the proximity of BPO to the information technology industry, it is also categorized as an information technology enabled service or ITES. Knowledge process outsourcing (KPO) and legal process outsourcing (LPO) are some of the sub-segments of business process outsourcing industry.