Top 100 Call Center Services
The Best of August 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 is an Orlando, Florida-based answering service. The company offers Call Center Services, Customer Service Outsourcing, Back Office Outsourcing, and Staffing and is midsize.The company was founded in 1998.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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1441Undisclosed50 - 249 employeesNavi Mumbai, IndiaMidsize Sales Outsourcing company Brocus IT Solutions, is headquartered in Navi Mumbai, India. The team provides Sales Outsourcing and Customer Service Outsourcing.Read More
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1442$1,000+10 - 49 employeesLondon, EnglandEmerald Chauffeurs is a Sales Outsourcing company. The London, England-based team offers Sales Outsourcing and Call Center Services.Read More
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1443$1,000+50 - 249 employeesTaural India is a Sales Outsourcing company. Their midsize team is located in Pune, India and specializes in Sales Outsourcing and Fractional CFO Services. The firm was established in 2016.Read More
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1444$1,000+1,000 - 9,999 employeesCreative Lipi Webtech Pvt. Ltd. Is a call center. The team provides Call Center Services and Social Media Marketing and is based in Noida, India.Read More
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1445$250,000+1,000 - 9,999 employeesEstablished in 2008, AM InfoWeb, a large answering service company, is located in पुणे, India. Their team specializes in Call Center Services and AI Agents.Read More
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1446$1,000+10 - 49 employeesLeadaro is an Email Marketing and Sales Outsourcing company. Their small team is headquartered in Newark, Delaware. Their services include Email Marketing and Sales Outsourcing.Read More
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1447Undisclosed10 - 49 employeesAnswer United is a Kalamazoo, Michigan-based telephone answering service. Launched in 1965, the team specializes in Call Center Services and Customer Service Outsourcing.Read More
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1448$5,000+1,000 - 9,999 employeesNew York, NYIntegreon, a large Back Office Outsourcing company, is headquartered in New York, New York and Makati, Philippines. Their services include Back Office Outsourcing and Transcription.Read More
Clients
MicrosoftIndustries
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1449$1,000+10 - 49 employeesLaunched in 2008, DialerKing Technology is a phone answering service and Customer Service Outsourcing company. The team specializes in Call Center Services and Customer Service Outsourcing.Read More
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1450$5,000+250 - 999 employeesMakati, PhilippinesOmada One is a phone answering service in Makati, Philippines and Mabalacat, Philippines. The team offers Call Center Services and Back Office Outsourcing.Read More
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1451$5,000+50 - 249 employeesDhaka, BangladeshIhelpbd is a call center service founded in 2012. The agency offers Call Center Services, and is midsize.Read More
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1452$10,000+1,000 - 9,999 employeesNoida, IndiaMas Callnet India P Ltd is a large Noida, India-based answering service company. Their services include Call Center Services and Customer Service Outsourcing.Read More
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1453Undisclosed10 - 49 employeesLos Angeles, CABased in Los Angeles, California, Tel-Us Call Center is a small call center. The team specializes in Call Center Services and Customer Service Outsourcing.Read More
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1454$5,000+250 - 999 employeesWarszawa, PolandICS Center is a call center service headquartered in Warszawa, Poland and Białystok, Poland. They specialize in Call Center Services and Customer Service Outsourcing and were founded in 2005.Read More
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1455$1,000+10 - 49 employeesPark Ridge, ILAnswering service Signius Communications was launched in 1994. The company offers Call Center Services and Customer Service Outsourcing.Read More
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1456$1,000+10 - 49 employeesDenton, EnglandSales Outsourcing company Facets Commercial Consulting provides Sales Outsourcing and Marketing Strategy. They are located in Denton, England.Read More
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1457$1,000+250 - 999 employeesAqaba, JordanCall center company IconiCS Group is in Amman, Jordan and Aqaba, Jordan. The firm focuses on call center services, content moderation services, customer service outsourcing, social media marketing, and more and is midsize.The firm was founded in 2021.Read More
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1458$10,000+2 - 9 employeesFireworks IT, a Sales Outsourcing company, is headquartered in Aurora, Colorado. They offer Sales Outsourcing.Read More
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1459Undisclosed10 - 49 employeesCMS is a small Columbus, Ohio-based answering service company. Their services include Call Center Services and Customer Service Outsourcing.Read More
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1460$1,000+2 - 9 employeesLaunched in 2019, Solnfy Agency is a small Sales Outsourcing company. Their team offers Sales Outsourcing and Email Marketing.Read More
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1461$1,000+50 - 249 employeesKyiv, UkraineEstablished in 2014, Zenko Group is a telephone answering service. Their midsize team is located in Kyiv, Ukraine. Their team focuses on Call Center Services, Back Office Outsourcing, Customer Service Outsourcing, and Sales Outsourcing.Read More
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1462$5,000+250 - 999 employeesNuevo Cuscatlan, El SalvadorRead More
OSI (Outsourcing Services International), a call center, is headquartered in La Libertad, El Salvador. They offer call center services, back office outsourcing, customer service outsourcing, sales outsourcing, and more and were founded in 2010.
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1463$1,000+50 - 249 employeesNew York, NYPride BPO is a call center. Headquartered in New York, New York and Chennai, India, the agency was founded in 2006. Their team focuses on Call Center Services.Read More
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1464$1,000+10 - 49 employeesLondon , EnglandBPO Recruit is a telephone answering service. Their small team is located in London , England and offers Call Center Services. The firm was launched in 2009.Read More
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1465$1,000+10,000+ employeesGardena, CAEstablished in 1966, transcosmos is a Customer Service Outsourcing company. Their team provides Customer Service Outsourcing and Call Center Services.Read More
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1466$1,000+50 - 249 employeesAscend BPO is a midsize Back Office Outsourcing and answering service based in Princeton, New Jersey and Pakistan. The team specializes in Back Office Outsourcing and Call Center Services.Read More
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1467$1,000+50 - 249 employeesMoncton, CanadaCallStar is a Sales Outsourcing company. The team offers Sales Outsourcing and is based in Moncton, Canada.Read More
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1468$1,000+250 - 999 employeesToronto, CanadaSimpro Solutions is a Back Office Outsourcing company. The Toronto, Canada-based firm specializes in Back Office Outsourcing and Call Center Services.Read More
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1469$1,000+10 - 49 employeesToronto, CanadaEstablished in 2005, One Contact is a phone answering service. Their team specializes in Call Center Services and Sales Outsourcing.Read More
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1470$1,000+10 - 49 employeesSandy, ORAnswer Ally is a call center service. Headquartered in Sandy, Oregon, the company was launched in 2014. Their services include Call Center Services and Customer Service Outsourcing.Read More
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Connect with a Call Centers that received the most new reviews in the past 12 months.
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