Top 100 Call Center Services
The Best of October 2026
Outsourced call center services refer to handling incoming and outgoing calls on behalf of businesses to support functions such as customer service, lead generation, and appointment setting. Call center services are crucial to ensuring customers have a positive experience with their business before, during, and after purchasing. Investing in quality call center solutions is important for timely responses to key stakeholders, gathering feedback, and understanding customer preferences.
Call centers are a type of BPO that focuses on training and hiring dedicated agents who can handle customer inquiries, resolve customer issues and complaints, and provide technical support. They contribute to businesses' productivity and long-term success, allowing them to focus on core functions while managing customers professionally and efficiently.
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List of the Best Voice Services Providers on the Market
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$1,000+250 - 999 employeesOrlando, FLXACT, an answering service company, was founded in 1996. Their midsize team is in Orlando, Florida and Unity, Maine. The agency specializes in Call Center Services, Customer Service Outsourcing, Back Office Outsourcing, and Staffing.Read More
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$1,000+1,000 - 9,999 employeesChicago, ILEstablished in 2017, Hugo Inc. Is a Customer Service Outsourcing company. The agency specializes in Customer Service Outsourcing, Call Center Services, Back Office Outsourcing, Content Moderation Services, and more and has a large team. The agency is in Chicago, Illinois and Lagos, Nigeria.Read More
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1831Undisclosed50 - 249 employeesSupirax Global Corporations Inc. Is a telephone answering service. The St. Petersburg, Florida-based team provides Call Center Services and Back Office Outsourcing.Read More
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1832$1,000+1,000 - 9,999 employeesNew Delhi, IndiaRead More
JindalX, a call center, is headquartered in New Delhi, India. The large company was founded in 2001. Their services include voice services, non-voice bpo/back office services, BI & big data consulting & SI, and web development.
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1833Undisclosed250 - 999 employeesMumbai, IndiaBased in Mumbai, India, Yellow Umbrella Services is an Event Marketing company. The team specializes in Event Marketing and Digital Strategy.Read More
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1834Undisclosed250 - 999 employeesClark Special Economic Zone, PhilippinesThe Remote Group, a call center, was established in 2020. The midsize team provides Call Center Services and Back Office Outsourcing.Read More
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1835$1,000+250 - 999 employeesKarachi, PakistanEvaluation Grid is a Document Digitization & Management company. They are based in Karachi, Pakistan and have midsize team. They provide Document Digitization & Management and Call Center Services.Read More
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1836$5,000+250 - 999 employeesEstablished in 2015, Wingo Starr Group Sdn Bhd is a Customer Service Outsourcing company. Their services include Customer Service Outsourcing and Call Center Services.Read More
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1837Undisclosed250 - 999 employeesMandaue, PhilippinesBPOSeats is a telephone answering service launched in 2014. The firm focuses on Call Center Services and Back Office Outsourcing, and is midsize.Read More
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1838$1,000+2 - 9 employeesSialkot, PakistanNexteller is an answering service company. The team offers Call Center Services and Sales Outsourcing, and the firm is located in Sialkot, Pakistan.Read More
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1839$5,000+50 - 249 employeesMumbai, IndiaI2c World Inc. Is a Back Office Outsourcing company. They were established in 2001, and their services include Back Office Outsourcing and Sales Outsourcing.Read More
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1840Undisclosed50 - 249 employeesRawalpindi, PakistanPyramids Global is a Back Office Outsourcing company. Founded in 2013, the company provides Back Office Outsourcing and Call Center Services.Read More
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1841$5,000+50 - 249 employeesEstoril, PortugalExceder is an Estoril, Portugal-based Sales Outsourcing company. They specialize in Sales Outsourcing and Recruiting.Read More
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1842Undisclosed2 - 9 employeesGlen Burnie, MDTelerep is a Glen Burnie, Maryland-based answering service company. They provide Call Center Services and Customer Service Outsourcing and were established in 1976.Read More
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1843$5,000+10 - 49 employeesEsi-Call is a call center company. Located in Sidi Bel Abbès, Algeria, the firm provides Call Center Services and Customer Service Outsourcing.Read More
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1844$1,000+10 - 49 employeesDurban North, South AfricaOrynex BPO is an answering service in Durban North, South Africa. Founded in 2026, the small team specializes in Call Center Services, Sales Outsourcing, Business Consulting, Back Office Outsourcing, and more.Read More
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1845$1,000+10 - 49 employeesRead More
SidekickAdmin is a phone answering service launched in 2022. Located in Ottawa, Canada, their small team focuses on call center services.
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1846$1,000+10 - 49 employeesTallinn, EstoniaRecruiting company Grinfi Recruitment was established in 2014. They are based in Tallinn, Estonia and have a small team. Grinfi Recruitment focuses on recruiting, IT staff augmentation, hr outsourcing, and hr consulting.Read More
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1847$1,000+2 - 9 employeesYoledigital contact center, a telephone answering service, is located in Port-au-Prince, Haiti. They provide Call Center Services and Direct Marketing and were established in 2026.Read More
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1848$25,000+50 - 249 employeesPune, IndiaThe SalesBridge is a sales outsourcing company. The midsize Pune, India-based team provides sales outsourcing, other marketing, content marketing, and email marketing. The company was launched in 2020.Read More
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1849$1,000+10 - 49 employeesLahore, PakistanTelephone answering service Grasp Solutions was launched in 2015. The small team focuses on Call Center Services, Customer Service Outsourcing, and HR Outsourcing. The company is located in Lahore, Pakistan.Read More
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1850$1,000+10 - 49 employeesCall center company Viginet Pvt Ltd is headquartered in Delhi, India. They focus on Call Center Services and Cybersecurity.Read More
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1851$1,000+50 - 249 employeesGeneral Santos City, PhilippinesVirtualChampsGlobal is a web design company. In General Santos City, Philippines, the agency offers Web Design and UX/UI Design.Read More
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1852Undisclosed10 - 49 employeesSan Francisco, CAAiSDR is a Sales Outsourcing and AI Agents company. They were established in 2023, and their services include Sales Outsourcing and AI Agents.Read More
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1853$1,000+50 - 249 employeesToronto, CanadaRoundAssist Inc., a big data analytics company, specialize in BI & big data consulting & SI and CRM consulting and SI. They were launched in 2005.Read More
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1854$1,000+10 - 49 employeesNew Delhi, IndiaEstablished in 2017, Nimble Remote Subscription Staffing is a small call center company. Their services include Call Center Services and Social Media Marketing.Read More
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1855$5,000+10 - 49 employeesRGI Outsourcing Firm is an answering service company. The small Gurugram, India-based firm was founded in 2026. Their team provides Call Center Services.Read More
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1856Undisclosed2 - 9 employeesRazes is a Sales Outsourcing company. In Qutba, Pakistan, their small team focuses on Sales Outsourcing. The firm was founded in 2024.Read More
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1857Undisclosed50 - 249 employeesIslamabad, PakistanAZK Telecom, a Customer Service Outsourcing company, is based in Islamabad, Pakistan and Islamabad, Pakistan. The agency specializes in Customer Service Outsourcing, Call Center Services, and Sales Outsourcing and has a midsize team.The agency was founded in 2024.Read More
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1858Undisclosed2 - 9 employeesPenryn, EnglandSentics Customer Care Ltd, a call center, is based in Penryn, United Kingdom. The firm offers voice services and non-voice bpo/back office services and has a small team.The firm was founded in 2021.Read More
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1859$5,000+50 - 249 employeesRead More
Call center company CalluX Integrated Solutions Limited is in Kingston, Jamaica. The midsize team offers call center services, customer service outsourcing, transcription, and back office outsourcing and was established in 2020.
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1860$1,000+2 - 9 employeesLocated in Edison, New Jersey, AI Lead Transfers LLC is a small sales outsourcing company. They focus on sales outsourcing and were launched in 2021.Read More
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