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.
Jump to Most Reviewed Companies
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
Industries
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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
Industries
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5041Undisclosed250 - 999 employeesPalatine, ILCall center company Birddog Media focuses on Call Center Services and Email Marketing. They were established in 2005.Read More
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5042Undisclosed250 - 999 employeesErie, PAExpivia Interaction Marketing Group Inc., a phone answering service, focus on Call Center Services and Sales Outsourcing. They were established in 2011.Read More
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5043Undisclosed250 - 999 employeesMonterrey, MexicoLocated in Monterrey, Mexico, CALLCOM CONTACT CENTER & BPO is a midsize answering service. The team focuses on Call Center Services and Customer Service Outsourcing.Read More
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5044Undisclosed50 - 249 employeesIstanbul, TürkiyeMarm Assistance, a phone answering service, was established in 1986. The company specializes in Call Center Services, and is midsize.Read More
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5045Undisclosed10 - 49 employeesIstanbul, TürkiyeTEKNOSOR is a call center company headquartered in Istanbul, Türkiye. Founded in 2010, the team provides Call Center Services and Customer Service Outsourcing.Read More
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5046Undisclosed2 - 9 employeesKharkiv, UkraineEpicall Contact Center is a Sales Outsourcing company. The Kharkiv, Ukraine-based company was established in 2008. Their team offers Sales Outsourcing and Call Center Services.Read More
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5047Undisclosed50 - 249 employeesIstanbul, TürkiyeDirect Scouts Istanbul is a call center service. Founded in 2008, the team focuses on Call Center Services and Customer Service Outsourcing. The company is based in Istanbul, Türkiye.Read More
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5048Undisclosed250 - 999 employeesİstanbul, TürkiyeFounded in 2009, Vetraco Group is an answering service. The team focuses on Call Center Services and Customer Service Outsourcing and is headquartered in İstanbul, Türkiye.Read More
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5049Undisclosed50 - 249 employeesBeograd, SerbiaICM International Call Center Marketing is a call center service launched in 2014. The team specializes in Call Center Services and Sales Outsourcing and is located in Beograd, Serbia.Read More
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5050Undisclosed10 - 49 employeesBeograd, SerbiaCallosseum Call Centre is a call center company in Beograd, Serbia. They specialize in Call Center Services and Sales Outsourcing.Read More
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5051Undisclosed2 - 9 employeesKraków, PolandSmart Call is a small phone answering service located in Kraków, Poland. The team provides Call Center Services and Sales Outsourcing.Read More
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5052Undisclosed10 - 49 employeesRio de Janeiro, BrazilDoctor Sac Contact Center is a call center company. The team provides Call Center Services and Customer Service Outsourcing, and the company is in Rio de Janeiro, Brazil.Read More
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5053Undisclosed50 - 249 employeesDowntown - Rio de Janeiro,, BrazilCobrart is a call center company. The Downtown - Rio de Janeiro,, Brazil-based firm was launched in 2011. Their team focuses on Call Center Services and Customer Service Outsourcing.Read More
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5054Undisclosed50 - 249 employeesPísek, Czech RepublicDomiCall s.r.o. Is a call center. The Písek, Czech Republic-based company was launched in 1998. Their team focuses on Call Center Services.Read More
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5055Undisclosed50 - 249 employeesRoma, ItalyMeta srl is an answering service and Customer Service Outsourcing company established in 2009. Their team provides Call Center Services and Customer Service Outsourcing.Read More
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5056Undisclosed50 - 249 employeesHeadquartered in , Idea Call Center is a telephone answering service and Customer Service Outsourcing company. They provide Call Center Services and Customer Service Outsourcing.Read More
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5057Undisclosed250 - 999 employeesWarszawa, PolandForsell is a midsize phone answering service and Customer Service Outsourcing company established in 2014. Their team offers Call Center Services and Customer Service Outsourcing.Read More
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5058Undisclosed50 - 249 employeesWarszawa, PolandMidsize call center WF- Call Center, is in Warszawa, Poland. The team provides Call Center Services and Customer Service Outsourcing.Read More
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5059Undisclosed50 - 249 employeesWarszawa, PolandNnext is a midsize phone answering service headquartered in Warszawa, Poland. The team focuses on Call Center Services.Read More
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5060Undisclosed50 - 249 employeesMilanówek, PolandZielinet is a midsize Milanówek, Poland-based answering service company. Their services include Call Center Services and Customer Service Outsourcing.Read More
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5061Undisclosed50 - 249 employeesMedellín, ColombiaFounded in 2007, Visión Gerencial is an answering service company. The team offers Call Center Services.Read More
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5062Undisclosed10 - 49 employeesBogotá, ColombiaViapin Colombia SAS, an answering service company, is located in Bogotá, Colombia. They specialize in Call Center Services and were established in 2004.Read More
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5063Undisclosed2 - 9 employeesBogotá, ColombiaSmall call center company CONTACT CENTER GROUP S.A.S, is headquartered in Bogotá, Colombia. The team offers Call Center Services.Read More
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5064Undisclosed50 - 249 employeesSao Paulo, BrazilAmaro Group is a call center service. They are based in Sao Paulo, Brazil and have midsize team. They provide Call Center Services.Read More
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5065Undisclosed50 - 249 employeesSanto Amaro, BrazilHeadquartered in Santo Amaro, Brazil, InHouse Contact Center and Information Technology is a call center company. They provide Call Center Services and were founded in 1988.Read More
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5066Undisclosed50 - 249 employeesSão Paulo, BrazilEstablished in 2007, AHEAD Infraestrutura para Contact Centers is a midsize answering service company. Their services include Call Center Services.Read More
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5067Undisclosed50 - 249 employeesSao Paulo, BrazilFounded in 2008, Daleth AC Ambiente Colaborativo, a midsize answering service, is located in Sao Paulo, Brazil. Their team provides Call Center Services.Read More
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5068Undisclosed10 - 49 employeesSao Paulo, BrazilJobHome is a telephone answering service. The Sao Paulo, Brazil-based agency was founded in 2017. Their services include Call Center Services.Read More
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5069Undisclosed10 - 49 employeesSao Paulo, BrazilBlueLab is a call center. Located in Sao Paulo, Brazil, the team offers Call Center Services.Read More
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5070Undisclosed50 - 249 employeesSao Paulo, BrazilALKES is an answering service. Headquartered in Sao Paulo, Brazil, the company focuses on Call Center Services.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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