Business process outsourcing (BPO)

Business process outsourcing (BPO) is the practice of contracting a specific business function — such as customer support, accounting, IT operations, or HR — to a third-party provider. Companies use BPO to reduce cost, access specialized expertise, scale operations quickly, and free internal teams to focus on core strategic work.

BPO is one of the largest service industries in the world, with the global market valued at more than $300 billion annually. Customer support and contact-center operations are the single biggest BPO category, accounting for roughly a third of the overall market.

Types of BPO

BPO is typically classified along two dimensions: the location of the provider and the function being outsourced.

• Onshore BPO: The provider is located in the same country as the buyer. Higher cost, lower friction, easier compliance.
• Nearshore BPO: The provider is in a neighboring or nearby country — for example, a U.S. company using a provider in Mexico or Colombia. Balances cost savings with time-zone alignment.
• Offshore BPO: The provider is in a distant country — historically India, the Philippines, or Eastern Europe. Lowest cost, but more coordination overhead.

By function, BPO is usually grouped as front-office (customer-facing work like sales and support) or back-office (internal operations like finance, payroll, and data entry).

BPO vs. KPO vs. LPO

BPO is sometimes confused with related acronyms. KPO (knowledge process outsourcing) covers higher-skill work like research, analytics, or engineering design — tasks that require domain expertise rather than process execution. LPO (legal process outsourcing) is a specialized form of KPO focused on legal services like contract review and litigation support. BPO is the broadest umbrella term and typically refers to repeatable, process-driven work.

Why companies use BPO

The original BPO value proposition was labor arbitrage — paying less for the same work by moving it offshore. That's still part of the picture, but modern BPO is increasingly about access to capabilities a buyer doesn't have internally: 24/7 multilingual support, specialized compliance expertise, surge capacity for seasonal volume, or modern technology stacks that would be expensive to build in-house. Some companies use BPO providers as a way to enter new markets quickly, leveraging the provider's local presence and regulatory knowledge.

How AI is reshaping BPO

AI — and especially agentic AI — is changing the economics of BPO. For customer support BPO in particular, AI agents can now handle a meaningful share of tier-1 tickets autonomously, reducing the volume that flows to human agents. The industry is shifting from a model that bills per agent seat or per minute to outcome-based pricing tied to resolved tickets or customer satisfaction. Conversational AI systems, grounded in a company's knowledge base, now power deflection layers that sit in front of human BPO agents — and many forward-looking BPOs are themselves deploying AI to augment their workforce rather than be displaced by it.

BPO and the contact center

Customer-support BPO and the modern call center are deeply linked. Most large enterprises run a hybrid model: an in-house core team handles VIP customers and complex cases, while a BPO partner handles overflow, after-hours, and standard tier-1 volume. Increasingly, the contact technology layer itself is outsourced via contact center as a service (CCaaS) platforms, while the people layer comes from a BPO. AI agents now form a third leg of this stack, handling the highest-volume, lowest-complexity work that used to require a human seat.

Choosing a BPO provider

The right BPO partner depends on the function, geography, and risk tolerance. Buyers typically evaluate providers on cost structure (per seat, per minute, per resolution), domain experience, language coverage, security and compliance certifications (SOC 2, ISO 27001, HIPAA where relevant), technology stack, and the provider's ability to integrate with internal systems and AI tooling. According to Deloitte's global outsourcing survey, the top reasons buyers cite for outsourcing have shifted in the last five years from pure cost savings to capability access, agility, and accelerated digital transformation.

Frequently asked questions

What does BPO stand for? BPO stands for business process outsourcing — the practice of contracting a specific business function to an external third-party provider.

What are BPO companies? BPO companies are firms that deliver outsourced business processes — customer support, finance, HR, IT — on behalf of client companies. Large global examples include Teleperformance, Concentrix, TaskUs, and Genpact.

Is BPO the same as outsourcing? BPO is a type of outsourcing focused specifically on business processes, typically repeatable operational work. General outsourcing also covers manufacturing, professional services, and other functions outside the BPO definition.

What is an example of BPO? A retailer using an external provider in the Philippines to staff its 24/7 customer support phone and chat lines is a classic example of customer-support BPO.

How is AI affecting BPO? AI agents are taking over a growing share of tier-1 support tickets, shifting the BPO industry toward outcome-based pricing and pushing providers to combine human agents with AI in a unified service model.

For a deeper dive, download Decagon's guide to agentic AI for customer experience.