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
Industries
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3391$1,000+50 - 249 employeesVirtual HQ is a midsize call center and Commercial Brokerage Services company headquartered in North Sydney, Australia. The team focuses on Call Center Services and Commercial Brokerage Services.Read More
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3392$1,000+10 - 49 employeesMoorabbin, AustraliaCallForce is a phone answering service. The team provides Call Center Services and Sales Outsourcing and is located in Moorabbin, Australia and Bentleigh East, Australia.Read More
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3393$1,000+10 - 49 employeesMelbourne, AustraliaI3R Outsourcing is a small Melbourne, Australia-based call center company. The team provides Call Center Services and Sales Outsourcing.Read More
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3394$1,000+250 - 999 employeesNorth Sydney, AustraliaCDM Direct is a North Sydney, Australia-based call center service. Their services include Call Center Services and Customer Service Outsourcing.Read More
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3395$1,000+1,000 - 9,999 employeesSurry Hills, AustraliaLaunched in 2002, OneContact is a large Customer Service Outsourcing company. Their services include Customer Service Outsourcing and Call Center Services.Read More
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3396$5,000+1,000 - 9,999 employeesSuzhou Shi, ChinaChina Data Group (Suzhou) Limited is a call center service. In Suzhou Shi, China and Beijing, China, the team focuses on Call Center Services and Customer Service Outsourcing.Read More
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3397$1,000+2 - 9 employeesDublin, IrelandB2BSell is a small answering service company. They focus on Call Center Services and Sales Outsourcing and were established in 2012.Read More
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3398$1,000+10 - 49 employeesMadrid, SpainCosmos Call Center is an answering service. Founded in 1993, the team provides Call Center Services and Social Media Marketing. The agency is located in Madrid, Spain.Read More
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3399$1,000+10 - 49 employeesRivas-Vaciamadrid, SpainCall Centrix is a call center established in 2003. The team focuses on Call Center Services and Web Development and is located in Rivas-Vaciamadrid, Spain.Read More
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3400$1,000+250 - 999 employeesAmsterdam, NetherlandsLaunched in 1998, Cygnific is an answering service company. The midsize team provides Call Center Services.Read More
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3401$1,000+10 - 49 employeesAmsterdam, NetherlandsGlobal KPO is a call center. The team provides Call Center Services and HR Consulting, and the agency is located in Amsterdam, Netherlands.Read More
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3402$1,000+10 - 49 employeesSoesterberg, NetherlandsComsys, a small call center service, is based in Soesterberg, Netherlands. Their services include Call Center Services.Read More
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3403$1,000+50 - 249 employeesAmersfoort, NetherlandsContactCare, a call center, is located in Amersfoort, Netherlands. They provide Call Center Services.Read More
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3404$1,000+2 - 9 employeesMainz, GermanyCloudsecretary is an answering service company. Their small team is headquartered in Mainz, Germany. Their team specializes in Call Center Services and Back Office Outsourcing.Read More
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3405$1,000+50 - 249 employeesSulzbach (Taunus), GermanyEGENTIC is a Sulzbach (Taunus), Germany-based Sales Outsourcing company. Established in 2001, the team specializes in Sales Outsourcing and Email Marketing.Read More
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3406$1,000+2 - 9 employeesOberursel (Taunus), GermanyEnVoice is a phone answering service launched in 2004. Their services include Call Center Services and Sales Outsourcing.Read More
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3407$1,000+10 - 49 employeesDublin, IrelandAnswering service company CallPageboy Call Centre is located in Dublin, Ireland. They focus on Call Center Services and Sales Outsourcing and were launched in 1972.Read More
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3408$1,000+50 - 249 employeesRoma, Italy3D2B is a Roma, Italy-based phone answering service. The team offers Call Center Services and Email Marketing.Read More
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3409$1,000+10 - 49 employeesMunich, GermanyTricontes Group GmbH is a call center service. The company is located in Munich, Germany. Their services include Call Center Services.Read More
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3410$1,000+1,000 - 9,999 employeesParis, FranceLarge call center service IPG, is in Paris, France. Their services include Call Center Services and Sales Outsourcing.Read More
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3411$1,000+250 - 999 employeesSheffield, EnglandVoice Marketing Ltd, a call center, was launched in 2006. They focuses on Call Center Services and Customer Service Outsourcing.Read More
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3412$1,000+10,000+ employeesCorsico, ItalyEstablished in 1989, COMDATA Group is a large call center in Corsico, Italy and Istanbul, Türkiye. Their team provides Call Center Services and Customer Service Outsourcing.Read More
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3413$1,000+2 - 9 employeesAthina, GreeceNetTrust, a small call center, is based in Athina, Greece. The team offers Call Center Services.Read More
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3414$1,000+50 - 249 employeesOslo, NorwayDRS Telemarketing is a call center company. Located in Oslo, Norway, their midsize team specializes in Call Center Services and Sales Outsourcing. The firm was launched in 2004.Read More
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3415$1,000+2 - 9 employeesMünchen, GermanyLEADHUNTER is a telephone answering service. Their small team is headquartered in München, Germany. Their services include Call Center Services and Sales Outsourcing.Read More
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3416$1,000+50 - 249 employeesOslo, NorwayProffCom AS, a midsize call center, is based in Oslo, Norway. Their services include Call Center Services and Sales Outsourcing.Read More
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3417$1,000+50 - 249 employeesAarhus, DenmarkThe Call Company A/S is a call center service. Their team is headquartered in Aarhus, Denmark and provides Call Center Services and Business Consulting.Read More
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3418$1,000+10 - 49 employeesViby J, DenmarkHeadquartered in Viby J, Denmark, Valeur A/S is a call center service. Their services include Call Center Services and Sales Outsourcing.Read More
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3419$1,000+2 - 9 employeesWien, AustriaEccoTel Telemarketing GmbH is a small answering service headquartered in Wien, Austria. Their services include Call Center Services and Sales Outsourcing.Read More
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3420$1,000+50 - 249 employeesKöln, GermanyOffice Call-Center GmbH is a telephone answering service. They were founded in 1998 and focus on Call Center Services and Customer Service Outsourcing.Read More
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