What is a Call Center?
Call CenterA call center is a centralized operation where trained agents handle inbound or outbound voice calls on behalf of a business. Functions span customer service, technical support, telemarketing, collections, and lead generation. Modern call centers also blend voice with chat, email, and self-service automation to meet customers where they are.
Key takeaways A call center handles phone-led customer interactions, while a contact center adds chat, email, and social channels.
Global contact center spending is forecast to keep climbing as firms layer AI on top of human agents.
The Philippines and India remain the two largest outsourcing destinations, with Manila agents costing roughly 70% less than US equivalents.
Inbound, outbound, automated, and virtual are the four operating models you'll see most often.
Picking the right partner hinges on channel mix, agent quality, security posture, and pricing model — not headcount alone.Outsource Accelerator has tracked the call center sector since 2017, and the shape of the industry has shifted hard. Cloud platforms killed the on-premise PBX. Remote work normalized work-from-home agents, and generative AI now drafts agent responses in real time. The fundamentals still hold though — a voice on the line resolving a customer problem.
The call center label sticks even as the work expands. Most operations that still call themselves call centers actually run blended voice, chat, and email queues out of the same agent desktop. The phone is the anchor channel because it's the one customers reach for when they are frustrated, confused, or spending real money.
How it worksA call center routes incoming or outgoing voice traffic through a telephony platform — typically a cloud contact-center-as-a-service (CCaaS) stack — into a queue and on to an available agent. Workforce management software forecasts call volume. Automatic call distribution (ACD) matches callers to skill groups, and quality assurance teams score calls against rubrics for tone, accuracy, and compliance.
Three layers do the heavy lifting:
Layer
What it does
Typical tools Telephony / CCaaS
Routes calls, records audio, surfaces caller data
Genesys, Five9, NICE CXone, Amazon Connect Workforce management
Forecasts volume, schedules agents, tracks adherence
NICE WFM, Verint, Calabrio Analytics & QA
Scores calls, mines transcripts, flags coaching moments
CallMiner, Observe.AI, CrestaAccording to Gartner, the contact center market is one of the fastest-growing slices of enterprise software, driven mostly by AI augmentation rather than headcount growth. The agent isn't going away; the tooling around the agent is just getting smarter. Expect copilots that surface knowledge-base answers mid-call, real-time sentiment scoring, and auto-summarized wrap-up notes to be table stakes by 2026.
ExamplesReal call center work looks nothing like the stereotype. A handful of representative operations in 2024:
Concentrix runs more than 440,000 agents across 70 countries, supporting brands like Airbnb and Samsung from delivery centers in Manila, Bogotá, and Cairo. Teleperformance, headquartered in France, posted EUR 8.3 billion in 2023 revenue serving Apple, Uber, and dozens of fintech clients out of Philippine and Indian hubs. TaskUs scaled trust-and-safety and content-moderation lines for Meta, DoorDash, and Netflix from sites in Manila, San Antonio, and Athens. SP Madrid, a mid-market Philippine BPO, runs sub-100-seat campaigns for SaaS and ecommerce clients who can't justify a tier-one provider.The Philippines passed India as the world's largest English-language voice destination around 2011 and hasn't ceded the lead since. The IT and Business Process Association of the Philippines tracks roughly 1.7 million sector workers, with call center agents the single biggest cohort. India still dominates non-voice and tech-support work, while Latin American hubs like Bogotá and Guadalajara grew fast through 2023 on the back of nearshore demand from US clients.
Related termsA call center sits inside a wider cluster of related concepts you'll bump into when scoping a partner:
Contact center: the omnichannel successor that adds chat, email, social, and messaging to voice. BPO: business process outsourcing, the umbrella under which call centers operate. Inbound call center: receives customer-initiated calls for service or support. Outbound call center: places agent-initiated calls for sales, retention, or collections. Customer service: the work category most voice agents are paid to deliver. Telemarketing: outbound sales via phone, a regulated subset of outbound work. Virtual assistant: a one-to-one outsourced role that sometimes overlaps with low-volume support. FAQ What does a call center actually do?A call center handles voice interactions between a business and its customers. Agents take inbound calls for support, billing, or orders, or place outbound calls for sales, surveys, and collections.
Is a call center the same as a contact center?No. Call centers are voice-only or voice-led. Contact centers handle voice plus digital channels (chat, email, SMS, social) through a single agent desktop. Most modern operations are technically contact centers, even when people still call them call centers.
How much does call center outsourcing cost?Pricing varies by geography and model. Philippine agents typically bill at USD 8–15 per hour fully loaded; US onshore runs USD 25–45. Per-minute and per-call pricing remains common for high-volume inbound work.
Will AI replace call center agents?Not entirely, and not soon. According to McKinsey, AI is automating routine queries and assisting human agents on complex calls, shifting the agent role toward higher-value problem solving rather than wiping it out.
Which countries lead in call center outsourcing?The Philippines and India lead in voice volume, followed by South Africa, Colombia, and Egypt for English-language work, plus Poland and Romania for European-language coverage.
How do I pick the right call center partner?Match the provider's vertical experience to your industry, audit their security certifications (PCI DSS, ISO 27001, SOC 2), pilot a small campaign before scaling, and insist on transparent pricing and live agent dashboards.
Want a shortlist of vetted partners by country, size, and specialty? Browse the Outsource Accelerator BPO directory to compare providers side by side.
What is Finance & Accounting?
Finance & AccountingFinance and accounting is the paired business function that records every transaction, reports the numbers under a recognised standard, and turns them into decisions about cash, tax, and capital. Accounting looks backward at history; finance plans the next move ahead.
Key takeaways F&A pairs backward-looking accounting with forward-looking finance under US GAAP or IFRS.
The global FAO market reached USD 54.79 billion in 2025 and heads to USD 85.92 billion by 2031.
Named delivery hubs cluster in the Philippines, India, Romania, and Argentina.
Buyers outsource transactional work first and keep judgement-heavy tasks in-house.
Cost savings of 40 to 60 percent drive most F&A outsourcing decisions.Every dollar a business earns or spends flows through these two ledgers. Accountants log the entry, close the books, and file returns. Finance teams take that clean data and run scenarios on pricing, hiring, and capital structure.
Outsourced F&A shops now handle the bulk of transactional work — accounts payable, receivables, payroll close, tax filing — while retained staff focus on FP&A and treasury.
Providers price per full-time equivalent, per transaction, or per gain-share, with hybrid pricing now standard for larger engagements.
How it worksThe function splits into two lanes. Accounting captures every transaction, closes the period, and produces the trial balance under US GAAP or IFRS. Finance takes that record, forecasts cash, prices deals, and steers capital toward its highest return.
Lane
Focus
Deliverables
Common tools Accounting
Backward view of transactions
General ledger, statements, tax returns
Xero, QuickBooks Online, NetSuite, Sage Intacct Finance
Forward view of value
Budgets, forecasts, capital plans, treasury reports
Excel, Anaplan, Adaptive InsightsThe two lanes run on different clocks but share one language: US GAAP in the United States or IFRS across most of the rest of the world. Both dictate how revenue is recognised, how leases are booked, and how goodwill gets impaired.
The global finance and accounting outsourcing market reached USD 54.79 billion in 2025, on pace to hit USD 85.92 billion by 2031 at a 7.78% CAGR. Everest Group tracked FAO spend growth up to 10% year on year in 2022.
Buyers cite three motivators. Cost dominates for smaller finance functions moving accounts payable and receivables offshore. Standards fluency drives IFRS-heavy multinationals to hubs that already staff qualified accountants.
Speed rounds out the pitch, with public companies chasing shorter quarter-end close cycles pushing work to teams that run 24-hour follow-the-sun coverage.
Providers tie fees to a service level agreement covering close-cycle days, error rate, and days sales outstanding — the F&A equivalent of a CSAT target in customer experience work.
Governance sits over the top. Steering committees meet monthly, service level penalties trigger at breach, and quarterly business reviews test whether the operating rhythm holds.
When the model works, F&A becomes a shared operating fabric between buyer and provider, not a vendor call.
ExamplesGlobal buyers now split F&A work across a small set of proven delivery hubs and pure-play providers. The names below show what typical engagements look like at scale, with published dates for context.
Delivery footprints span three continents, with buyers picking a hub for language, time zone, and standards fluency.
Genpact spun out of General Electric in 2005 and now runs F&A shops in Bengaluru, Bucharest, and Manila for global manufacturers. Its finance-and-accounting service line remains the single largest contributor to group revenue.
Accenture has picked up long-running F&A engagements with Unilever, Marriott, and BP, mixing on-shore analysts with delivery centres in the Philippines and India. The firm operates dedicated FAO centres in Manila and Bengaluru at scale.
Tata Consultancy Services has handled Nielsen's global finance operations since 2007, closing books for the media measurement giant across 100-plus countries. TCS remains one of the top-three FAO providers by revenue.
Buyers use the same outsourcing, offshoring, and nearshoring playbook — the one that reshaped call center, contact center, help desk, and customer support work a decade earlier. Delivery centres in Manila, Bengaluru, and Buenos Aires now form the F&A backbone.
Related terms Bookkeeping: daily transaction recording that feeds the accounting close. Payroll: the workforce-pay function most F&A providers bundle in. Back office: the broader admin function that houses F&A work. Offshore accounting: outsourced F&A delivered from lower-cost geographies. Business process outsourcing: the parent category F&A sits inside. Knowledge process outsourcing: higher-judgement work like FP&A and treasury. Financial services company: the buyer type with the deepest F&A needs. FAQ What is the difference between finance and accounting?Accounting records what has already happened, from every transaction to every close to every filing. Finance uses that clean data to plan cash, price deals, and steer capital. One looks back; the other looks ahead.
Why do companies outsource finance and accounting?Cost sits at the top of the pitch: offshore F&A teams typically run 40 to 60 percent cheaper than onshore equivalents. Access to scarce skills like IFRS reporting and FP&A modelling comes next. Faster close cycles and 24-hour coverage close out the case.
Which countries dominate finance and accounting outsourcing?The Philippines, India, and Poland handle the largest share of Fortune 500 F&A work. Argentina and Colombia have grown quickly as nearshore options for North American buyers. Romania serves European clients from Bucharest and Cluj.
Is outsourced finance and accounting safe from a compliance standpoint?Yes, when the provider carries SOC 1, SOC 2, and ISO 27001 attestations and the contract locks data residency. Buyers still keep tax filing sign-off and audit sponsorship in-house. The provider executes and the client approves.
How much of the finance function should be outsourced?Most buyers outsource high-volume transactional work like accounts payable, receivables, and payroll close. Judgement-heavy work (treasury, tax strategy, board reporting) stays with retained staff. The split usually lands 70 to 30 in favour of outsourcing.
What tools do outsourced F&A providers use?Cloud accounting platforms dominate the stack: Xero and QuickBooks Online for smaller shops, NetSuite and Sage Intacct for multinationals, with Anaplan layered on for FP&A modelling.
Explore more OA terms and guidance at Outsource Accelerator
Full-time employee definition
Full-Time Employee (FTE)A full-time employee (FTE) is a worker who is exclusively employed by one company, typically clocking 30 to 40+ hours a week under a permanent contract. The FTE label decides tax withholding, benefits eligibility, and payroll cadence — and it's the accounting unit outsourcing firms use to price staffing contracts.
The FTE tag matters because it separates workers on payroll, with tax withholding, mandated benefits, and steady hours, from contractors, freelancers, and part-time status staff who fall under looser rules. Misclassifying an FTE triggers back-tax exposure and benefits claims that dwarf any short-term saving.
FTE also serves as the industry's staffing currency. When a Manila BPO industry provider quotes a 20-seat contract, each seat represents one FTE billed monthly. That model lets buyers benchmark outsourcing, offshoring, and nearshoring options against in-house payroll on the same footing.
Key takeaways Full-time employees work exclusively for one employer — usually 30–40+ hours per week under a permanent contract.
FTE status triggers legal duties around tax withholding, benefits, and workplace protections that don't apply to contractors.
Outsourcing firms price contracts by FTE-per-month, letting buyers benchmark BPO spend against in-house payroll.
Global BPO revenues hit roughly USD 348 billion in 2025, with offshore FTEs costing a fraction of onshore equivalents.
Misclassifying an FTE as a contractor draws back-tax and benefits claims that outweigh short-term savings. How it worksA full-time employee signs an exclusive contract, earns a fixed salary or hourly wage, and picks up statutory benefits like health cover and paid leave. Employers withhold tax, register the worker with an IRS employer ID, and pay on a set schedule.
The mechanics come down to four things: the contract, the hours, the pay cycle, and the reporting duty. US federal law also requires employers to report new hires within 20 days so states can enforce child-support orders.
Pay cycle
Frequency
Common use Weekly
52 runs/year
Hourly and blue-collar FTEs Biweekly
26 runs/year
Salaried professional roles Semi-monthly
24 runs/year
Corporate and admin staff Monthly
12 runs/year
Executive and offshore FTEsThe choice of pay schedules affects cash flow and worker satisfaction. Firms that outsource the payroll process inherit those cycles through the vendor's software.
ExamplesFTEs sit at the heart of every high-volume service function. From a call centre agent taking inbound tickets in Cebu to a graphic designer running production for a US ad agency, the FTE model powers roles that need consistent, salaried attention.
Contact centre agent. A contact centre FTE in the Philippines typically earns USD 350–500 per month at entry level and USD 700–900 with three years' experience. Providers price the seat all-in, including workstation and management overhead. Harvard Business Review's 2017 study on high-performing contact centres found that tenured FTEs beat churn-heavy rosters on first contact resolution, a pattern the earlier HBR piece on customer delight predicted.
Design and graphics FTE. A full-time offshore designer handling design and graphics work for a US agency runs about USD 1,200–2,000 per month — one-fifth the cost of the onshore equivalent, whose US Bureau of Labor Statistics median wage sat near USD 39,680 in 2024.
Customer service specialist. Customer service FTEs anchor the customer experience (CX) function. Everest Group's CX research tracks how CX outsourcing has shifted from raw staff augmentation toward outcome-based FTE pods that report on customer satisfaction score instead of raw call volume.
Payroll and back-office FTE. Back office FTEs handle payroll, accounting, and admin. Precedence Research values the global BPO market at roughly USD 348 billion in 2025, with most of that spend funding offshore FTEs.
Related termsFull-time employee sits next to a cluster of outsourcing, staffing, and contact-centre terms — knowing which one applies stops you overpaying for the wrong staffing model or under-scoping a vendor contract.
Business Process Outsourcing (BPO): Transfer of business functions to a third-party provider, priced by FTE-per-month. Outsourcing: The broader practice of contracting external firms for work an in-house FTE could handle. Offshoring: Sending an FTE role to a lower-cost country, usually eight or more time zones from headquarters. Nearshoring: Placing FTEs in an adjacent country to keep overlap with headquarters hours.
Knowledge Process Outsourcing: Higher-skill FTE work such as legal research or financial modelling.
Service Level Agreement: Contract governing the FTE's output, uptime, and quality metrics.
Inbound Call Centre: Team of FTEs answering customer-initiated calls, often measured on first-call resolution. FAQ What qualifies someone as a full-time employee?Any worker who signs an exclusive contract, works the employer's standard weekly hours of 30 to 40+, and receives pay through payroll rather than invoice. The role must also carry the benefits and tax withholding that local law attaches to permanent staff.
How is an FTE different from a contractor?A contractor invoices their own business, sets their own hours, and pays their own tax. An FTE goes through payroll, follows a set schedule, and receives statutory benefits. Regulators use control, exclusivity, and integration tests to police the line.
How much does a Philippines FTE cost?An entry-level customer service FTE in Manila costs roughly USD 350–500 per month all-in, rising to USD 700–900 for tenured agents. The IT and Business Process Association of the Philippines reports the sector employing about 1.9 million people at those price points.
Can I convert a contractor to an FTE?Yes, and it's often the safer path when the person already works full-time hours for one client. Draw up an employment contract, register them with your payroll provider, backdate benefits per local law, and confirm any pending invoices roll into salary.
Where can I benchmark FTE vendors?Directories like Clutch's BPO listings and industry research from ContactBabel give you unfiltered vendor comparisons. Cross-check the seat price against what an in-house FTE costs after benefits, tax, and real-estate loading.
Ready to price out an FTE for your next role? Compare vetted providers on the Outsource Accelerator hubs.
What is What is business process outsourcing??
What is business process outsourcing?Business process outsourcing (BPO) is hiring a third-party provider to run a defined business function like customer support, payroll, or IT helpdesk. The provider takes ownership of the people, process, and technology, and bills per seat, transaction, or fixed fee.
BPO is a subset of outsourcing that focuses on repeatable, high-volume work. When those functions move to a lower-cost country, the setup is called offshoring.
Common categories include customer support, finance and accounting, HR, IT helpdesk, and other back-office work — plus higher-value knowledge processes like analytics or research.
Key takeaways BPO shifts a defined function to an external provider under a written contract.
Pricing models fall into per-FTE, per-transaction, outcome-based, or hybrid buckets.
The Philippines and India lead global BPO delivery through 2025.
Cost drives many deals, but access to talent and 24/7 coverage matter just as much.
A service level agreement sets the quality bar and remedies for the relationship. How it worksBPO works by transferring a defined process to a specialized vendor under a written contract. You keep strategic control; the provider owns staffing, tools, and daily execution.
Pricing usually follows one of four models — per-seat, per-transaction, outcome-based, or a hybrid mix.
Companies choose BPO for three reasons: lower cost, access to specialized talent, and the ability to convert fixed headcount into variable operating expense. Most enterprise buyers combine two or three of these goals in the same contract.
Most engagements start with discovery. The client documents the process, sets KPIs, and defines escalation paths. The provider then hires, trains, and shadows before going live — typically 6 to 12 weeks.
The pricing model shapes risk. Per-seat fees favor steady work; outcome-based fees push accountability onto the provider. Most contracts also include a service level agreement that ties bonuses or penalties to defined performance targets.
Model
How you pay
Best for Per FTE (seat)
Fixed monthly rate per agent
Steady-volume work like inbound support Per transaction
Set fee per call, ticket, or invoice
Variable-volume back-office tasks Outcome-based
Tied to a KPI like CSAT or collections
Mature processes with clean metrics Hybrid
Base FTE rate plus variable bonus
Long-term partnershipsContracts usually run 2 to 5 years with annual price adjustments. Buyers should build off-boarding clauses upfront so the process can move back in-house or to another vendor if performance slips.
The upside is clear: cost reduction of 30-60%, faster staffing, and 24/7 coverage using follow-the-sun teams. The trade-off is management overhead, cultural distance, and dependency on a single provider for critical work.
Provider selection now weighs security posture and data residency more than a decade ago.
GDPR, HIPAA, and PCI-DSS obligations flow from the client to the provider. Contracts spell out audit rights, penalty clauses, and breach reporting windows.
Location choice matters. Providers in the Philippines and India deliver English-language support at 40-70% below onshore rates, while nearshoring to Mexico or Colombia buys time-zone alignment. Onshoring stays domestic but costs the most.
ExamplesBPO delivery clusters into three archetypes — call center hubs, knowledge process shops, and nearshore bilingual centers. Global BPO revenue reached USD 347.95 billion in 2024 with a projected 10.05% CAGR through 2035, per Precedence Research.
Buyers often start in the Philippines. English fluency, Filipino traits and values, and Western-facing culture reduce onboarding friction. It remains the top outsourcing destination for voice work heading into 2025.
Philippines call centers. The Philippines IT-BPM sector booked around USD 40 billion in 2024 with about 1.9 million employees, targeting 2.5 million by 2028.
Concentrix, Teleperformance, and TDCX all run major Manila and Cebu call center campuses. See the Top 40 BPO companies in the Philippines and this guide to call centers for hire.
India knowledge process outsourcing. Knowledge process outsourcing firms in Bengaluru and Gurgaon handle equity research, legal review, and analytics for Wall Street. WNS, Genpact, and EXL all posted multi-billion-dollar revenues in 2024.
Latin America customer support. Colombia, Mexico, and Costa Rica attract US fintechs and SaaS platforms wanting Spanish-English bilingual agents. Rankings on Clutch show Bogotá firms among the fastest-growing between 2022 and 2024.
Global finance and IT support. Accenture, IBM, and Cognizant deliver ERP support, cloud operations, and finance-and-accounting from delivery hubs in Poland, Ireland, and India. Their contracts often span 5 to 10 years and blend BPO with technology services.
Enterprise BPO deals are becoming more outcome-linked. Rather than paying per seat, buyers in 2024 increasingly pay for defined KPIs like first-call resolution or completed orders, which pushes performance risk back to the provider.
Related terms Offshoring: the practice of moving business functions to distant, lower-cost countries. Nearshoring: outsourcing to a country in a similar time zone, often for language or cultural fit. Onshoring: keeping outsourced work inside the client's home country. Knowledge Process Outsourcing: outsourcing of higher-value analytical or specialist work such as research or legal review. Call Center: a facility built to handle inbound or outbound customer calls at scale. Back-Office: the non-customer-facing operations that support day-to-day business functions. Service Level Agreement: the contract clause that defines performance targets and remedies for a BPO deal. FAQ What is BPO in simple terms?BPO is when a company hires another business to run a specific function like customer service or payroll. The client sets the outcomes; the provider handles the day-to-day work.
What is the difference between BPO and outsourcing?Outsourcing is the umbrella term for contracting any external provider. BPO is the subset that covers full business functions like call centers, HR, or accounting, usually delivered offshore at scale.
Is BPO only about cost savings?No. Cost is the entry point, but most mature buyers cite access to specialized talent, 24/7 coverage, and scalability as the bigger long-term wins. Cost-only deals tend to churn within 18 months.
Which countries dominate BPO?The Philippines leads voice and English-language customer support. India dominates IT and knowledge process work. Mexico, Colombia, and Costa Rica anchor Latin America's nearshore market for US clients.
What functions do companies outsource most often?Customer support, IT helpdesk, finance and accounting, HR administration, and content moderation lead the pack. Higher-value work like data analytics and legal review is growing fastest.
How do I choose a BPO provider?Match the provider's specialization to your function, check industry references, and shortlist candidates using the Ultimate Guide to Outsourcing.
Explore vetted providers at Outsource Accelerator's BPO Directory
Independent
