Top 100 Call Center Services
The Best of June 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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1411$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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1412$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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1413Undisclosed10 - 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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1414$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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1415$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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1416$25,000+1,000 - 9,999 employeesServeRetail is a Customer Service Outsourcing company founded in 2004. Their large team is in Norcross, Georgia and Mandaluyong City, Philippines. Their services include Customer Service Outsourcing, Call Center Services, Back Office Outsourcing, Generative AI, and more.Read More
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1417$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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1418$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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1419$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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1420$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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1421$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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1422$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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1423$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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1424$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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1425$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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1426$1,000+250 - 999 employeesFounded in 2011, FIBER Group is a call center company. The team provides Call Center Services and Customer Service Outsourcing and is located in London, England and Napoli, Italy.Read More
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1427$1,000+50 - 249 employeesSan Diego, CAPhone answering service Phone Net is located in San Diego, California. They focus on Call Center Services and Customer Service Outsourcing.Read More
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1428Undisclosed250 - 999 employeesNairobi, KenyaTeleSky Limited, a phone answering service, is based in Nairobi, Kenya. Established in 2016, the team provides Call Center Services and Back Office Outsourcing.Read More
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1429Undisclosed10 - 49 employeesWilliston, VTContact Communications Inc. Is a small phone answering service established in 1989. Their team focuses on Call Center Services.Read More
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1430Undisclosed250 - 999 employeesPhone answering service OfficeEarth is headquartered in. The team focuses on Call Center Services.Read More
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1431$1,000+10 - 49 employeesDubai, United Arab EmiratesWEEN studio, an answering service, is located in Dubai, United Arab Emirates. They specialize in Call Center Services and Translation and were founded in 2012.Read More
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1432$1,000+250 - 999 employeesBack Office Outsourcing company The Outsource Company was launched in 2016. The team offers Back Office Outsourcing and Customer Service Outsourcing.Read More
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1433$1,000+50 - 249 employeesSurry Hills, AustraliaTelemarketingPower.com is an answering service company. Their midsize team is located in Surry Hills, Australia and Los Angeles, California. Their services include Call Center Services.Read More
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1434Undisclosed2 - 9 employeesOrlando, FLReception 24/7 is a small Sheffield, England-based answering service company. The team focuses on Call Center Services and Sales Outsourcing.Read More
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1435$5,000+250 - 999 employeesSantiago De Los Caballeros, Dominican RepublicSynergies Corp. Is an Email Marketing company. The Santiago De Los Caballeros, Dominican Republic-based agency was established in 2006. Their team provides Email Marketing and IT managed services.Read More
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1436$25,000+50 - 249 employeesAhmedabad, IndiaActionEdge Research Services LLP is a Market Research and phone answering service. In Ahmedabad, India and London, England, the firm provides Market Research and Call Center Services.Read More
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1437$10,000+250 - 999 employeesBrighton, AustraliaPackleader BPO is a Market Research company. Launched in 2008, their team offers Market Research and Call Center Services.Read More
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1438$1,000+250 - 999 employeesDover, DEVelan Healthcare Services is an answering service company. They offer Call Center Services and Back Office Outsourcing and are headquartered in Dover, Delaware.Read More
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1439Undisclosed10 - 49 employeesSales Generation Services is a call center. The team is headquartered in Rochester Hills, Michigan, and their services include Call Center Services and Sales Outsourcing.Read More
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1440$1,000+10 - 49 employeesSahibzada Ajit Singh Nagar, IndiaBack Office Outsourcing company Networth RCM was launched in 2021. The agency focuses on Back Office Outsourcing and Call Center Services.Read More
Industries
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