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.
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
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3811Undisclosed10,000+ employeesSão Paulo, BrazilNeobpo is a call center service. Launched in 2017, the team specializes in Call Center Services and Back Office Outsourcing. The company is based in São Paulo, Brazil.Read More
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3812Undisclosed1,000 - 9,999 employeesCiudad de México, MexicoEficasia Contact Center, an answering service and Back Office Outsourcing company, specializes in Call Center Services and Back Office Outsourcing. The agency is based in Ciudad de México, Mexico.Read More
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3813Undisclosed250 - 999 employeesTlaxcala de Xicohténcatl, MexicoAmatech is an answering service company. Their team is located in Tlaxcala de Xicohténcatl, Mexico. The agency focuses on Call Center Services and IT managed services.Read More
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3814Undisclosed50 - 249 employeesBogotá, ColombiaCOS Colombian Outsourcing Solutions is a phone answering service. Located in Bogotá, Colombia, their team offers Call Center Services and Accounting.Read More
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3815Undisclosed10 - 49 employeesFramingham, MAFirst Financial Resources, Inc. Is a small call center company in Framingham, Massachusetts. The team focuses on Call Center Services and Business Consulting.Read More
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3816Undisclosed1,000 - 9,999 employeesAntiguo Cuscatlan, El SalvadorAnswering service company SkyCom offers Call Center Services and Back Office Outsourcing. They were founded in 2004.Read More
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3817Undisclosed50 - 249 employeesCiudad Obregón, MexicoColloquium BPO is a call center. Their midsize team is headquartered in Tucson, Arizona and Ciudad Obregón, Mexico. Their services include Call Center Services and Back Office Outsourcing.Read More
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3818Undisclosed50 - 249 employeesSantiago de Querétaro, MexicoFounded in 1999, CallFasst Contact Center is a midsize answering service. Their team provides Call Center Services.Read More
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3819Undisclosed250 - 999 employeesSan José, Costa RicaBPO Outsourcing CR is a midsize San José, Costa Rica-based call center service. Their services include Call Center Services.Read More
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3820Undisclosed1,000 - 9,999 employeesTicuantepe, NicaraguaAccedo Technologies, a call center service, was launched in 2007. The team specializes in Call Center Services and is based in Ticuantepe, Nicaragua.Read More
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3821Undisclosed250 - 999 employeesCiudad de México, MexicoAkro BPO is a midsize IT managed services company based in Ciudad de México, Mexico. Their services include IT managed services and Call Center Services.Read More
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3822Undisclosed250 - 999 employeesCiudad de México, MexicoUNO Contact Solutions Bureau is an answering service company. They were founded in 2007, and their services include Call Center Services.Read More
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3823Undisclosed50 - 249 employeesTijuana, MexicoNextdoor Solutions México is an answering service company. Their midsize team is located in Tijuana, Mexico. Their team provides Call Center Services and Back Office Outsourcing.Read More
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3824Undisclosed1,000 - 9,999 employeesProvidencia, ChileFastco Group is a phone answering service. The Providencia, Chile-based company offers Call Center Services and Sales Outsourcing.Read More
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3825Undisclosed10 - 49 employeesNorthbrook, ILIn Northbrook, Illinois, Tele Business USA is a small answering service. Their services include Call Center Services and Sales Outsourcing.Read More
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3826Undisclosed10 - 49 employeesOglesby, ILLocated in Oglesby, Illinois, iCall Services is a small call center service. The team specializes in Call Center Services and Back Office Outsourcing.Read More
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3827Undisclosed250 - 999 employeesSantiago De Los Caballeros, Dominican RepublicTelecom Networks Contact Center, an IT managed services company, was launched in 1999. They provides IT managed services and Call Center Services.Read More
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3828Undisclosed50 - 249 employeesChicago, ILMillenial Services is a midsize Chicago, Illinois-based answering service. The team specializes in Call Center Services and Social Media Marketing.Read More
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3829Undisclosed10 - 49 employeesSmall phone answering service UNO A UNO: ESTRATEGIAS INTEGRADAS, is headquartered in Guachipelín de Escazú, Costa Rica. The team provides Call Center Services and IT managed services.Read More
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3830Undisclosed250 - 999 employeesMedellín, ColombiaIntelsa is a call center service. They are headquartered in Medellín, Colombia. Their team provides Call Center Services.Read More
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3831Undisclosed250 - 999 employeesBogotá, ColombiaAltycom BPO is a phone answering service. Founded in 2018, the team provides Call Center Services.Read More
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3832Undisclosed50 - 249 employeesMedellín, ColombiaSoluciones BPO S.A.S, a phone answering service, is headquartered in Medellín, Colombia. Launched in 2014, the team provides Call Center Services.Read More
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3833Undisclosed10 - 49 employeesBogotá, ColombiaHeadquartered in Bogotá, Colombia, Serficob B.P.O S.A.S is a small call center company. Their services include Call Center Services.Read More
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3834Undisclosed1,000 - 9,999 employeesMadrid, SpainIn Madrid, Spain, Grupo Unísono is an answering service company. The team provides Call Center Services.Read More
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3835Undisclosed10 - 49 employeesMedellín, ColombiaCall Center Mall is a phone answering service. Founded in 2014, the team offers Call Center Services.Read More
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3836Undisclosed250 - 999 employeesCiudad Autónoma de Buenos Aires, ArgentinaAnswering service company BALAT was founded in 1993. In Ciudad Autónoma de Buenos Aires, Argentina, the team focuses on Call Center Services and Digital Strategy.Read More
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3837Undisclosed250 - 999 employeesAAI, ArgentinaDDM Interaction Agency is an IT managed services company. Launched in 1993, the company specializes in IT managed services and Business Consulting.Read More
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3838Undisclosed250 - 999 employeesGuayaquil, EcuadorTelenews is a telephone answering service founded in 2010. The team offers Call Center Services.Read More
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3839Undisclosed1,000 - 9,999 employeesGuayaquil, EcuadorLaunched in 2001, ACC American Call Center is a call center company. Their team offers Call Center Services and Back Office Outsourcing.Read More
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3840Undisclosed10 - 49 employeesAte, PeruLaser BPO is a phone answering service located in Ate, Peru. Their services include Call Center Services.Read More
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