What is a Call Center?
Call CenterA call center is a central team where agents take inbound or place outbound voice calls for a firm. It covers support, sales, billing, collections. Most now mix voice with chat, email, and self-service, so the phone is the anchor, not the whole job.
Outsource Accelerator has tracked the call center sector since 2017, and the shape of the work has shifted hard. Cloud platforms killed the on-premise PBX, remote work normalized home-based agents, and generative AI now drafts agent replies mid-call.
The label sticks even as the job expands. Most operations that still call themselves call centers run blended voice, chat, and email queues from one agent desktop. The phone stays the anchor channel — frustrated customers reach for it first.
Key takeaways A call center handles phone-led interactions, while a contact center adds chat, email, and social.
Contact center software spending keeps climbing as firms layer AI on top of human agents rather than replacing them.
The Philippines and India remain the two largest voice destinations, with Manila agents costing roughly 70% less than US equivalents.
Inbound, outbound, automated, and virtual are the four operating models you will meet most often.
Partner choice hinges on channel mix, agent quality, security posture, and pricing model — not headcount alone. How it worksA call center routes voice traffic through a telephony platform into a queue and on to an available agent. Workforce software forecasts volume, automatic call distribution (ACD) matches callers to skill groups, and quality teams score the recordings afterwards.
Most of that stack now sits in the cloud. A contact-center-as-a-service (CCaaS) platform replaces the old on-premise switch — new queues, new numbers, and new agents go live in days instead of quarters.
Three layers do the heavy lifting, and a fourth is arriving fast:
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 and QA
Scores calls, mines transcripts, flags coaching moments
CallMiner, Observe.AI, Cresta AI assist
Drafts replies, scores sentiment, writes wrap-up notes
Agent copilots, real-time knowledge surfacingGartner places the contact center among the fastest-growing slices of enterprise software, driven by AI augmentation rather than headcount growth.
The agent is not going away. The tooling around the agent just keeps getting smarter, and the metrics buyers watch are shifting from calls per hour toward first-contact resolution.
Expect copilots that surface knowledge-base answers mid-call, real-time sentiment scoring, and auto-summarized wrap-up notes to be table stakes through 2026.
Four operating models cover most of the market. An inbound call center answers customer-initiated calls for service, billing, or orders.
An outbound call center dials out for sales, retention, and collections, usually inside a planned outbound call campaign with its own scripts, quotas, and dispositions.
Automated queues resolve simple requests without an agent. A virtual assistant covers low-volume support one-to-one for smaller teams that cannot fill a shift.
Compliance sits over all of it. Outbound teams screen every number against the Do Not Call registry, log consent, and keep call recordings for the retention window their client's regulator demands.
ExamplesReal call center work looks nothing like the stereotype. The largest operators run six-figure agent headcounts across dozens of countries, while mid-market providers win business by taking the small campaigns tier-one vendors will not touch.
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 from 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 business process outsourcing (BPO) firm, runs sub-100-seat campaigns for SaaS and ecommerce clients.Here is the arithmetic buyers actually run. A US ecommerce brand with 12,000 monthly contacts moves its tier-one queue to Manila at roughly USD 11 per fully loaded agent hour.
Twenty agents cover 16 hours a day, six days a week. Against USD 32 onshore, the same customer service coverage costs about two-thirds less — and the savings fund a longer training runway.
The Philippines passed India as the world's largest English-language voice destination around 2011 and has not ceded the lead since.
The IT and Business Process Association of the Philippines tracks roughly 1.7 million sector workers, and call center agents remain the single biggest cohort inside that total.
India still dominates non-voice and technical-support work. Latin American hubs like Bogotá and Guadalajara grew fast through 2023 on nearshore demand from US clients, and South Africa keeps winning UK-facing voice accounts.
Related termsA call center sits inside a cluster of neighbouring terms, and buyers mix them up constantly. Knowing which one describes your actual requirement saves a lot of wasted time on discovery calls with providers.
Contact Center: the omnichannel successor that adds chat, email, social, and messaging to voice. BPO: the outsourcing umbrella that call center operations sit under. Inbound Call Center: a queue that receives customer-initiated calls for service or support. Outbound Call Center: a team that places agent-initiated calls for sales, retention, or collections. Customer Service: the work category most voice agents are paid to deliver. Telemarketing: outbound phone selling, a tightly regulated subset of outbound work. Virtual Assistant: a one-to-one outsourced role that overlaps with low-volume support. FAQBuyers ask the same handful of questions before they shortlist a call center partner. The answers below cover scope, terminology, pricing bands, the AI question, the leading offshore destinations, and how to run a fair selection process.
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, and 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, while contact centers handle voice plus chat, email, SMS, and social through one agent desktop. Most modern operations are technically contact centers even when people still say call center.
How much does call center outsourcing cost?Pricing varies by geography and model. Philippine agents typically bill USD 8–15 per hour fully loaded, while US onshore runs USD 25–45. Per-minute and per-call pricing stays common for high-volume inbound work.
Will AI replace call center agents?Not entirely, and not soon. McKinsey research shows AI automating routine queries and assisting human agents on complex calls, which shifts the role toward higher-value problem solving.
Which countries lead in call center outsourcing?The Philippines and India lead on voice volume. South Africa, Colombia, and Egypt follow for English-language work, with Poland and Romania covering European-language work.
How do I pick the right call center partner?Match vertical experience to your industry, audit security certifications such as PCI DSS, ISO 27001, and SOC 2, then pilot a small campaign before you scale.
Want a shortlist of vetted providers by country, size, and specialty? Browse the Outsource Accelerator BPO directory to compare call center partners 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) works exclusively for one company, usually 30 to 40 hours a week under a permanent contract. The label sets tax withholding, benefits eligibility, and the pay cycle outsourcing firms bill against when they quote a seat.
The classification matters because it separates staff on payroll from contractors, freelancers, and part-time hires — all of whom fall under looser rules. Misclassify an FTE and you invite back-tax exposure and benefits claims that dwarf the saving.
FTE is also the industry's staffing currency. When a Manila provider quotes a 20 seat contract, each seat is one FTE billed monthly.
That single unit lets buyers compare outsourcing, offshoring, and nearshoring against in-house payroll on the same footing, line by line.
Key takeaways Full-time employees work for one employer only, usually 30 to 40 hours a week under a permanent contract.
FTE status triggers tax withholding, statutory benefits, and workplace protections that never attach to contractors.
The Affordable Care Act sets the US full-time threshold at 30 hours a week or 130 hours a month.
Providers bill one FTE per seat per month, so buyers can benchmark Business Process Outsourcing (BPO) spend against in-house payroll.
Precedence Research valued the global BPO market near USD 348 billion in 2025, most of it funding offshore FTEs. How it worksA full-time employee signs an exclusive contract, earns a fixed salary or wage, and picks up statutory benefits such as health cover and paid leave. The employer withholds tax, registers the hire, and pays on a fixed schedule.
Four things do the work — the contract, the hours, the pay cycle, and the reporting duty.
Employers register for an IRS employer ID before the first payroll run, then report new hires within 20 days so states can enforce child support orders.
FTE is a counting unit as well as a job title. One person on a 40 hour week equals 1.0 FTE, and two people working 20 hours each also equal 1.0 FTE.
That arithmetic drives capacity planning. A support desk staffed around the clock needs 168 hours of cover each week, which is 4.2 FTEs at 40 hours apiece before you add leave, training, and shrinkage.
Pay cycle
Runs per year
Typical use
Payroll admin load Weekly
52
Hourly and shift FTEs
Highest Biweekly
26
Salaried professional roles
Moderate Semi-monthly
24
Corporate and admin staff
Moderate Monthly
12
Executive and offshore FTEs
LowestThe cycle you pick shapes cash flow and worker satisfaction. Firms that outsource the payroll process inherit whichever cadence the vendor's software runs, so check it before signing.
Offshore FTEs carry their own statutory load. In the Philippines, employer shares of Social Security System (SSS), PhilHealth, and Pag-IBIG contributions add roughly 10% to 15% on top of base pay, and providers fold that into the seat rate.
ExamplesFTEs sit at the heart of every high volume service function. From an agent answering inbound tickets in Cebu to a designer running production for a New York agency, the model suits roles that need steady, salaried attention.
Contact centre agent. A contact centre FTE in the Philippines earns roughly USD 350 to 500 a month at entry level, rising to USD 700 to 900 with three years of tenure.
Voice-heavy call centre seats price the same way, all in, with workstation and supervision folded into the monthly rate. Harvard Business Review's 2017 research found tenured agents beat churn heavy rosters on first contact resolution.
Scale explains the price. The IT and Business Process Association of the Philippines puts sector headcount near 1.9 million in its IT-BPM industry roadmap, a labour pool deep enough to hold seat rates steady.
Design and graphics FTE. A full-time offshore designer doing design and graphics work for a US agency runs about USD 1,200 to 2,000 a month. The US Bureau of Labor Statistics put the onshore median wage near USD 39,680 in 2024.
Offshore production runs at roughly a fifth of the onshore median — which is why creative work keeps shifting to Manila and Cebu studios.
Customer service specialist. Customer service FTEs anchor the customer experience (CX) function. Everest Group's CX research tracks the shift from staff augmentation toward outcome based pods measured on satisfaction rather than call volume.
Payroll and back office FTE. Back office FTEs run payroll, accounting, and admin. Precedence Research's business process outsourcing market report valued the sector near USD 348 billion in 2025, with offshore FTEs absorbing most of that spend.
Related termsFull-time employee sits beside a cluster of staffing and outsourcing terms. Knowing which one applies stops you overpaying for the wrong model — or under scoping a vendor contract before the first invoice lands.
Business Process Outsourcing (BPO): transfer of whole business functions to a third party provider, priced per FTE per month. Outsourcing: the broader practice of contracting external firms for work an in-house FTE could handle. Offshoring: moving an FTE role to a lower cost country, often eight or more time zones from headquarters. Nearshoring: placing FTEs in a nearby country so working hours overlap with headquarters. Call Center: a team of FTEs handling inbound or outbound calls, measured on resolution and handle time. Back Office: the administrative FTE functions such as payroll, accounting, and data work that customers never see. FAQ What qualifies someone as a full-time employee?Any worker on an exclusive contract who works the employer's standard hours, 30 to 40 a week, and is paid through payroll rather than by invoice. The Affordable Care Act sets the US threshold at 30 hours a week or 130 hours a month.
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 apply 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 to 500 a month all in, rising to USD 700 to 900 for tenured agents. Statutory contributions and the 13th month pay sit inside that seat rate.
Can I convert a contractor to an FTE?Yes, and it is often safer when the person already works full-time hours for one client. Draw up an employment contract, register them with your payroll provider, and roll pending invoices into salary. Backdate benefits where local law requires it.
Where can I benchmark FTE vendors?Directories such as Clutch's BPO listings and research from ContactBabel let you compare vendors, then cross-check the seat price against what an in-house FTE really costs after benefits, tax, and floor space.
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