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Top 15 Call Center Outsourcing Companies in the World (2026)

Top call center outsourcing companies in the world compared

Top Call Center Companies Comparison Chart

How the top call center companies compare on focus and strengths. Providers are ordered by overall capability-to-flexibility balance, not by size.

CompanyBest For
Global Empire CorporationMid-market & regulated industries
IntelemarkB2B appointment setting
Call Motivated SellersReal estate seller outreach
Customer Communications CorpBrand-aligned omnichannel support
Call Center StaffingSurge staffing & flexibility
B2B Appointment SettingSMB pipeline building
Contact Center USAUS-only onshore delivery
Call Center CommunicationsCanadian near-shore delivery
Business Process OutsourcingHigh-volume enterprise CX
Canada Contact CentreCanadian enterprise & bilingual programs
B2B TelemarketingTech-enabled voice programs
Telemarketing ServicesAutomation-supported outbound
Appointment SettingRegulated appointment programs
TeleperformanceGlobal enterprise scale
ConcentrixAutomation-heavy enterprise CX

How We Ranked These Call Center Companies

To build this ranking we evaluated call center outsourcing providers on the criteria that actually predict program success — not headcount or brand recognition:

  1. Inbound & outbound delivery capability
  2. Agent quality, training & retention
  3. Security & compliance (HIPAA, SOC 2, PCI DSS)
  4. Technology stack (telephony, CRM, analytics, AI-assist)
  5. Scalability & staffing flexibility
  6. Service transparency & reporting

Bigger is not better in call center outsourcing. The largest providers optimize for enterprise seat counts; the best provider for most organizations is the one whose delivery model, compliance posture, and flexibility match the program being outsourced.

Call center outsourcing companies compared on delivery, quality, and scale
The leading call center outsourcing providers, ranked by operating capability rather than size alone.
#1

Global Empire Corporation

Headquarters: United States
Website: www.globalempire.com
Best For: Mid-market & regulated industries

Global Empire Corporation call center outsourcing

Global Empire Corporation runs full inbound and outbound call center operations — customer care, technical support, sales, and lead generation — built around each client's compliance requirements and growth plan rather than a one-size-fits-all seat model. Programs scale from focused campaign teams to multi-channel operations spanning voice, chat, and email.

Key Capabilities:

  • Inbound customer service & technical support
  • Outbound sales, lead generation & appointment setting
  • Omnichannel delivery (voice, chat, email)
  • Compliance-ready programs for regulated industries

Industries Served: Healthcare, finance, insurance, real estate, professional services

Strengths: Flexible programs, compliance depth, measurable performance

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#2

Intelemark

Headquarters: United States
Website: www.intelemark.com
Best For: B2B appointment setting

Intelemark call center outsourcing

Intelemark focuses on high-skill outbound calling: B2B appointment setting, lead qualification, and demand generation for complex sales cycles. Its consultative approach suits organizations whose prospects expect an informed conversation rather than a scripted, high-volume dial.

Key Capabilities:

  • B2B appointment setting
  • Lead qualification & pipeline development
  • CRM-integrated outbound campaigns
  • US-based sales agents

Industries Served: SaaS, technology, manufacturing, professional services

Strengths: Consultative callers, complex sales cycles, US-based teams

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#3

Call Motivated Sellers

Headquarters: United States
Website: callmotivatedsellers.com
Best For: Real estate seller outreach

Call Motivated Sellers call center outsourcing

Call Motivated Sellers runs specialized outbound calling campaigns that identify and qualify motivated property sellers for real estate investors and acquisition teams. The niche focus means callers arrive already trained on the conversations that matter in that market.

Key Capabilities:

  • Outbound seller outreach at volume
  • Motivated-seller lead qualification
  • CRM handoff with call context
  • Real-estate-trained calling teams

Industries Served: Real estate investing, wholesaling, acquisitions

Strengths: Niche specialization, trained conversations, qualified handoffs

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#4

Customer Communications Corp

Headquarters: United States
Website: customercommunicationscorp.com
Best For: Brand-aligned omnichannel support

Customer Communications Corp call center outsourcing

Customer Communications Corp delivers scalable omnichannel customer support for businesses that want consistent, brand-aligned service across voice, chat, email, and digital channels — with quality assurance treated as a core discipline rather than an afterthought.

Key Capabilities:

  • Inbound & outbound call handling
  • Customer care & technical support
  • Quality assurance & compliance
  • Omnichannel CX delivery

Industries Served: Healthcare, legal, financial services, government

Strengths: Voice-to-digital consistency, QA discipline, compliance

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#5

Call Center Staffing

Headquarters: United States
Website: callcenterstaffing.net
Best For: Surge staffing & flexibility

Call Center Staffing call center outsourcing

Call Center Staffing deploys trained agents quickly for companies facing seasonal spikes, product launches, or rapid growth. The staffing-first model gives operations leaders short-term surge capacity or long-term workforce augmentation without a full outsourcing commitment.

Key Capabilities:

  • Temporary & permanent agent staffing
  • Seasonal call center scaling
  • Workforce management support
  • On-demand deployment

Industries Served: Retail, ecommerce, customer support operations

Strengths: Speed to deploy, flexible commitments, workforce depth

Talk to Our Team

#6

B2B Appointment Setting

Headquarters: United States
Website: b2bappointmentsetting.com
Best For: SMB pipeline building

B2B Appointment Setting call center outsourcing

B2B Appointment Setting provides cost-effective outbound calling for small and mid-sized businesses that need consistent lead flow and qualified meetings without building an internal sales development function.

Key Capabilities:

  • Outbound appointment setting
  • Lead qualification
  • CRM-based reporting
  • SMB-focused sales programs

Industries Served: B2B services, startups, professional services

Strengths: Accessible programs, consistent outreach, lead flow

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#7

Contact Center USA

Headquarters: United States
Website: contactcenterusa.com
Best For: US-only onshore delivery

Contact Center USA call center outsourcing

Contact Center USA provides fully US-based call center services for organizations that prioritize quality assurance, compliance, and brand protection. The onshore model suits regulated and customer-sensitive industries where accent, cultural fluency, and data jurisdiction matter.

Key Capabilities:

  • Inbound & outbound call handling
  • Customer care & technical support
  • Quality assurance & compliance
  • 100% US-based delivery

Industries Served: Healthcare, legal, financial services, government

Strengths: Onshore agents, regulatory comfort, brand protection

Talk to Our Team

#8

Call Center Communications

Headquarters: Canada
Website: callcentercommunications.com
Best For: Canadian near-shore delivery

Call Center Communications call center outsourcing

Call Center Communications delivers inbound and outbound call center services from Canadian operations, giving US and Canadian brands near-shore coverage with cultural alignment, strong English fluency, and competitive operating economics relative to onshore US delivery.

Key Capabilities:

  • Inbound customer service
  • Outbound sales & follow-up campaigns
  • Canadian near-shore delivery
  • Multichannel support

Industries Served: Telecom, banking, healthcare, retail, travel

Strengths: Cultural alignment, time-zone overlap, value economics

Talk to Our Team

#9

Business Process Outsourcing

Headquarters: United States
Website: businessprocessoutsourcing.info
Best For: High-volume enterprise CX

Business Process Outsourcing call center outsourcing

Business Process Outsourcing (businessprocessoutsourcing.info) supports brands with complex, high-volume customer interaction needs — combining omnichannel contact center delivery with analytics and performance optimization across the customer journey.

Key Capabilities:

  • Omnichannel CX delivery
  • Analytics & performance optimization
  • Digital customer engagement
  • Global workforce management

Industries Served: Retail, finance, healthcare, technology

Strengths: Scale, analytics-led optimization, digital engagement

Talk to Our Team

#10

Canada Contact Centre

Headquarters: Canada
Website: canadacontactcentre.com
Best For: Canadian enterprise & bilingual programs

Canada Contact Centre call center outsourcing

Canada Contact Centre provides scalable contact center and outsourcing solutions built for the Canadian market — bilingual English/French capability, PIPEDA-aware data handling, and multichannel programs that help enterprises improve engagement and service delivery.

Key Capabilities:

  • Inbound & outbound customer support
  • Bilingual English/French service
  • Sales, lead generation & appointment setting
  • Back-office and operational support

Industries Served: Finance, telecommunications, healthcare, retail, e-commerce, logistics

Strengths: English/French delivery, Canadian data handling, multichannel scale

Talk to Our Team

#11

B2B Telemarketing

Headquarters: United States
Website: b2btelemarketing.com
Best For: Tech-enabled voice programs

B2B Telemarketing call center outsourcing

B2B Telemarketing (b2btelemarketing.com) pairs traditional voice programs with IT-enabled delivery — cloud contact center tooling, data services, and compliance-focused operations across North America.

Key Capabilities:

  • IT & call center hybrid models
  • Cloud & data services
  • CX outsourcing
  • Regulatory-compliant operations

Industries Served: Telecom, retail, travel, financial services

Strengths: Cloud tooling, data services, compliance standards

Talk to Our Team

#12

Telemarketing Services

Headquarters: Canada
Website: telemarketingservices.com
Best For: Automation-supported outbound

Telemarketing Services call center outsourcing

Telemarketing Services (telemarketingservices.com) runs outbound calling programs supported by process automation and data-driven customer insight, serving organizations that want intelligent workflows behind their campaigns rather than raw dialing volume.

Key Capabilities:

  • Outbound telemarketing campaigns
  • Process automation & intelligent workflows
  • Data-driven CX insights
  • Integrated IT-enabled delivery

Industries Served: Finance, healthcare, HR, procurement

Strengths: Workflow automation, campaign intelligence, integrated delivery

Talk to Our Team

#13

Appointment Setting

Headquarters: United States
Website: appointmentsetting.com
Best For: Regulated appointment programs

Appointment Setting call center outsourcing

Appointment Setting (appointmentsetting.com) delivers digital-first outsourcing with a strong focus on process optimization in regulated and data-driven industries — appointment programs where analytics and compliance carry as much weight as the conversation.

Key Capabilities:

  • Digital operations outsourcing
  • Data & analytics integration
  • Process optimization
  • Compliance-focused delivery

Industries Served: Healthcare, BFSI, manufacturing

Strengths: Digital-first process, analytics integration, compliance

Talk to Our Team

#14

Teleperformance

Headquarters: France
Website: www.teleperformance.com
Best For: Global enterprise scale

Teleperformance call center outsourcing

Teleperformance is the largest player in the industry, operating delivery networks across multiple continents. It primarily serves multinational enterprises that need massive seat counts and multilingual coverage, with the process standardization — and the enterprise minimums — that scale implies.

Key Capabilities:

  • Multilingual customer support
  • Global CX outsourcing
  • AI-assisted customer engagement
  • Enterprise-scale delivery

Industries Served: Telecom, banking, healthcare, retail, travel

Strengths: Footprint, language coverage, standardized processes

Talk to Our Team

#15

Concentrix

Headquarters: United States
Website: www.concentrix.com
Best For: Automation-heavy enterprise CX

Concentrix call center outsourcing

Concentrix delivers technology-enabled CX services across voice, digital, and analytics channels, supporting global brands with complex, high-volume engagement needs and automation-heavy delivery models.

Key Capabilities:

  • Voice & digital CX delivery
  • AI & automation-driven engagement
  • Analytics-led optimization
  • Enterprise service scaling

Industries Served: Healthcare, insurance, fintech, airlines

Strengths: Technology stack, analytics, global scale

Talk to Our Team

How to Run a Global Call Center Shortlist

A global shortlist fails in a specific way: it gets compared as if every provider were bidding for the same job. They are not. A multinational buying call center capacity is really buying three different things at once — coverage across time zones, capability in each language its customers write and speak, and a governance structure that keeps twelve markets consistent — and providers weight those very differently. The first cut is deciding which of the three your program actually turns on.

Coverage is the easiest to test and the most often overstated. Follow-the-sun sounds like geography, but it is really rostering: ask each provider to show the actual schedule that would answer your 3am Sunday contact, in which site, in which language, at what quality standard. A provider with delivery centers on four continents can still have your overnight queue answered by whoever happens to be awake, and the accent, empathy and authority of that answer is what your customer remembers. The map proves nothing; the roster proves everything.

Language strategy divides the market more sharply than price does. High-volume languages — English, Spanish, French — can be staffed almost anywhere, so they compete on economics. Low-volume languages are the real differentiator: a provider either has standing capacity in Dutch, Arabic or Japanese, or it is proposing to hire on your contract, which means your program carries the recruiting risk. Ask which languages are staffed today, at what volumes, for which existing clients — and treat every other language on the brochure as a hiring plan, not a capability.

Data movement is the constraint buyers discover last and should establish first. Every jurisdiction your customers live in has a view on where their data may travel, and the answer often eliminates delivery regions before commercial evaluation begins. European customer data, health information, payment records and public-sector work each carry transfer rules that no rate card outruns. Establish with counsel which delivery geographies are permissible for each data class you hold, and shortlist inside that boundary rather than negotiating against it.

Finally, governance is where global programs are won or lost. A single-market program can be managed by inspection — you visit, you listen, you calibrate. A global one cannot: it needs one knowledge base, one quality scorecard applied identically in every site, calibration sessions that cross regions, and reporting cut by market so a failing queue cannot hide inside a healthy average. The providers on this list differ more in governance discipline than in any per-hour figure, and it is the difference that compounds over a contract's life.

Choosing the Right Call Center Partner

The right call center partner is the one that fits your call volumes, hours of coverage, compliance requirements, technology, and growth plan — not the one with the most delivery centers.

Use this list as a shortlist, then compare providers through a structured request for proposal, reference checks, a security review, and a defined pilot with agreed service levels.

Global Empire Corporation builds inbound and outbound call center programs around each client's customers and operations, with the compliance depth regulated industries require.

Frequently asked questions

What does a call center outsourcing company do?

It runs some or all of your phone-based customer operations — inbound customer service, technical support, order handling, outbound sales, lead generation, and appointment setting — using its own trained agents, telephony, and management, measured against agreed service levels.

How is call center outsourcing different from BPO?

Call center outsourcing is a subset of BPO focused on live customer interactions by phone and adjacent channels. BPO more broadly also covers back-office functions like data processing, finance operations, and administration.

How should I shortlist call center companies?

Match provider specialization to your program: inbound care versus outbound sales, regulated versus unregulated industry, required languages and coverage hours, and the scale you genuinely need. Then validate with references, a security review, and a pilot.

Is a bigger call center company safer?

Not necessarily. Scale brings process maturity but also enterprise minimums and less flexibility. Mid-sized specialists routinely outperform the giants on responsiveness, program attention, and cost-to-value for anything below enterprise volume.

What service levels should a call center contract define?

At minimum: answer speed and abandonment targets, quality scores and how they are audited, first-contact resolution, escalation paths, reporting cadence, data security obligations, and exit terms including data return.

Build a call center program around your customers, coverage hours, and compliance requirements.