Top 100 Call Center Services
The Best of December 2025
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, FLRead More
Answering service company XACT was founded in 1998. Their midsize team is in Orlando, Florida and Unity, Maine. XACT focuses on Call Center Services, Customer Service Outsourcing, Sales Outsourcing, Back Office Outsourcing, and 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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1561Undisclosed10 - 49 employeesBackend Communications is a phone answering service. Launched in 2020, the firm focuses on Call Center Services and Back Office Outsourcing.Read More
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1562$1,000+250 - 999 employeesWest Des Moines, IAAureon is a PEO/Employee Leasing company. They offer PEO/Employee Leasing and Call Center Services and were established in 1988. The company is headquartered in West Des Moines, Iowa.Read More
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1563$250,000+50 - 249 employeesपुणे, IndiaFounded in 2017, SYSCRYPTION TECHNOLOGIES PRIVATE LIMITED is a telephone answering service. The midsize team focuses on Call Center Services and Custom Software Development.Read More
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1564Undisclosed10 - 49 employeesIslamabad, PakistanAZK Telecom is an Islamabad, Pakistan-based answering service company. The small agency was established in 2024. Their team focuses on Call Center Services, Sales Outsourcing, and Back Office Outsourcing.Read More
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1565$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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1566$1,000+50 - 249 employeesAhmedabad, IndiaKology Ventures Pvt ltd is a Sales Outsourcing company. They provide Sales Outsourcing, Digital Strategy, Email Marketing, IT staff augmentation, and more and were launched in 2024. The company is headquartered in Ahmedabad, India and Ahmedabad, India.Read More
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1567$1,000+50 - 249 employeesNtam Connect, an answering service and Customer Service Outsourcing company, was launched in 2023. Their midsize team is headquartered in Alexandria, Egypt and Jeddah, Saudi Arabia. Their services include Call Center Services and Customer Service Outsourcing.Read More
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1568Undisclosed10 - 49 employeesSALESPEAK, a small call center, is in Pristina, Kosovo. Established in 2024, the team specializes in Call Center Services, Email Marketing, and Sales Outsourcing.Read More
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1569Undisclosed1,000 - 9,999 employeesMilano, ItalyGrowth, a Sales Outsourcing company, was founded in 2019. They are based in Milano, Italy and have a large team. Their services include Sales Outsourcing, Email Marketing, and Account-Based Marketing.Read More
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1570Undisclosed2 - 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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1571$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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1572$10,000+10 - 49 employeesLink Digit, an answering service company, was launched in 2019. Their small team is located in Santo Domingo Este, Dominican Republic. Their services include call center services, customer service outsourcing, transcription, translation, and more.Read More
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1573$1,000+50 - 249 employeesHyderabad, IndiaNivista Technologies, a phone answering service, is based in Hyderabad, India and Seattle, Washington. Their services include Call Center Services.Read More
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1574Undisclosed10 - 49 employeesNairobi, KenyaAccurate Africa eServices Ltd is a Nairobi, Kenya-based call center company. Their services include Call Center Services and Market Research.Read More
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1575$1,000+50 - 249 employeesKharkiv, UkraineEstablished in 2010, Well Tell is an answering service. In Kharkiv, Ukraine, the team provides Call Center Services and Sales Outsourcing.Read More
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1576Undisclosed2 - 9 employeesCall center company Ring-Thru offers Call Center Services. They are in.Read More
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1577$1,000+10 - 49 employeesNew York, NYGurland Corporation is a phone answering service founded in 2017. Based in New York, New York and Bangkok, Thailand, the team specializes in Call Center Services and Business Consulting.Read More
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1578$5,000+1,000 - 9,999 employeesKyiv, UkraineAdelina BPO is a large call center located in Kyiv, Ukraine and Minsk, Belarus. The team focuses on Call Center Services and Customer Service Outsourcing.Read More
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1579$250,000+10 - 49 employeesPuerto Vallarta, MexicoOccupy S.A de C.V., a small telephone answering service, is headquartered in Puerto Vallarta, Mexico. Their services include Call Center Services and Affiliate Marketing.Read More
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1580$1,000+10 - 49 employeesOxford, MSFounded in 2019, USA Calling Solutions, a small Sales Outsourcing company, is in Oxford, Mississippi. Their team offers Sales Outsourcing.Read More
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1581$1,000+10 - 49 employeesCairo, EgyptBlue Studio For Voice Over & Dubbing is a telephone answering service founded in 2013. The team focuses on Call Center Services and Video Production and is in Cairo, Egypt.Read More
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1582Undisclosed10 - 49 employeesFounded in 2019, Culture Closers, ApS is a call center company. The team focuses on Call Center Services.Read More
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1583$5,000+10 - 49 employeesAhmedabad, IndiaSRS Green Technologies Pvt Ltd. Is a telephone answering service headquartered in Ahmedabad, India. Their services include Call Center Services and HR Consulting.Read More
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1584$1,000+10 - 49 employeesPoznań, PolandHotLead is a Sales Outsourcing company. Their small team is based in Poznań, Poland and provides Sales Outsourcing and Email Marketing. The company was established in 2019.Read More
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Sage SymphonyIndustries
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1585Undisclosed10 - 49 employeesCalgary, CanadaJump Contact Center is a small call center company in Calgary, Canada. Their services include Call Center Services.Read More
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1586Undisclosed2 - 9 employeesLakeland, FLHeadquartered in Lakeland, Florida, Amy Virtual is an answering service. The team focuses on Call Center Services.Read More
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1587$5,000+2 - 9 employeesClimb Consulting, a Sales Outsourcing company, specializes in Sales Outsourcing. The company is based in Brooklyn, New York.Read More
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1588Undisclosed2 - 9 employeesNew York, NYMiaAnswers Virtual Receptionists is a call center company. The New York, New York-based agency was established in 2009. Their services include Call Center Services and Customer Service Outsourcing.Read More
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1589$1,000+1,000 - 9,999 employeesRawalpindi, PakistanCall center service Stoneshed Premier Care is headquartered in Rawalpindi, Pakistan. Launched in 2018, the team provides Call Center Services.Read More
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1590Undisclosed2 - 9 employeesSausalito, CADonna Digital Receptionists is a phone answering service. The Sausalito, California-based agency was launched in 2020. Their services include Call Center Services and Customer Service Outsourcing.Read More
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