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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1111$25,000+1,000 - 9,999 employeesSioux Falls, SDFive Star Call Centers is a phone answering service. Their team is in Sioux Falls, South Dakota and Guatemala City, Guatemala and specializes in Call Center Services and Customer Service Outsourcing.Read More
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1112Undisclosed50 - 249 employeesKing of Prussia, PAPatient Calls is a phone answering service. Located in King of Prussia, Pennsylvania, the agency was established in 1998. Their services include Call Center Services.Read More
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1113$1,000+250 - 999 employeesBeograd, SerbiaTrizma, a call center service, specializes in Call Center Services and Back Office Outsourcing. The firm is headquartered in Beograd, Serbia.Read More
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1114$1,000+50 - 249 employeesPasig, PhilippinesGlobalSky Call Center is a call center. Headquartered in Pasig, Philippines and Las Vegas, Nevada, the team offers Call Center Services and Customer Service Outsourcing.Read More
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1115Undisclosed250 - 999 employeesZürich, SwitzerlandTELAG AG is a call center service. They are based in Zürich, Switzerland. Their team provides Call Center Services and E-Commerce Development.Read More
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1116Undisclosed250 - 999 employeesLos Angeles, CAGet B2B Leads is a midsize Los Angeles, California-based Sales Outsourcing company. The team provides Sales Outsourcing and Social Media Marketing.Read More
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1117Undisclosed1,000 - 9,999 employeesPCCI GROUP is a call center in Tanzania. Founded in 2001, the team specializes in Call Center Services and Back Office Outsourcing.Read More
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1118Undisclosed10 - 49 employeesSan Francisco, CACloudVO, a call center company, was founded in 2010. The small team provides Call Center Services.Read More
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1119$1,000+50 - 249 employeesWokingham , EnglandThe Answer Centre is an answering service. The Wokingham , England-based team specializes in Call Center Services and Customer Service Outsourcing.Read More
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1120$1,000+250 - 999 employeesDhaka, BangladeshFIFOTECH, a midsize answering service company, is based in Dhaka, Bangladesh. Their services include Call Center Services and Web Design.Read More
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1121Undisclosed250 - 999 employeesBrunswick, METelephone answering service SaviLinx is located in Brunswick, Maine. The team specializes in Call Center Services.Read More
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1122Undisclosed10 - 49 employeesIstanbul, TürkiyeEstablished in 2016, Nolto Teknoloji Anonim Sirketi is a call center company. The team specializes in Call Center Services.Read More
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1123$1,000+10 - 49 employeesBend, ORCentratel Answering Service, a call center service, is based in Bend, Oregon. Established in 1984, the team offers Call Center Services.Read More
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1124$250,000+1,000 - 9,999 employeesRiyadh, Saudi ArabiaSmart Link is a Customer Service Outsourcing company. The team is in Riyadh, Saudi Arabia, and their services include Customer Service Outsourcing and Back Office Outsourcing.Read More
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1125Undisclosed50 - 249 employeesVirginia Beach, VAPosh Virtual Receptionists is a Virginia Beach, Virginia-based telephone answering service. They offer Call Center Services and were founded in 2020.Read More
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1126Undisclosed10 - 49 employeesNoida, IndiaHeadquartered in Noida, India, Vertage is a phone answering service. They focus on Call Center Services.Read More
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1127Undisclosed10 - 49 employees1st Carpet Cleaning London is a call center company. The London, England-based agency was founded in 2004. Their team provides Call Center Services and Sales Outsourcing.Read More
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1128Undisclosed1,000 - 9,999 employeesBalatonboglár, HungarySupport Services Group - Hungary is a Business Consulting company launched in 1998. The team specializes in Business Consulting and Call Center Services and is in Balatonboglár, Hungary.Read More
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1129Undisclosed50 - 249 employeesNavi Mumbai, IndiaAltius Customer Services Pvt. Ltd. Is an answering service headquartered in Navi Mumbai, India. Founded in 2004, the team provides Call Center Services and Customer Service Outsourcing.Read More
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1130Undisclosed1,000 - 9,999 employeesMarkham, CanadaCallnovo is a call center company founded in 2004. Their team focuses on Call Center Services and Customer Service Outsourcing.Read More
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1131Undisclosed1,000 - 9,999 employeesIloilo City, PhilippinesOBPO is a call center. The large Iloilo City, Philippines-based team specializes in Call Center Services and Back Office Outsourcing. The firm was founded in 2000.Read More
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1132Undisclosed10,000+ employeesİstanbul, TürkiyeAssisTT is a large call center and Back Office Outsourcing company located in İstanbul, Türkiye. Their services include Call Center Services and Back Office Outsourcing.Read More
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1133Undisclosed50 - 249 employeesLondon, EnglandBusiness Consulting and Sales Outsourcing company smartKYC was founded in 2014. The midsize team provides Business Consulting and Sales Outsourcing.Read More
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1134$5,000+10 - 49 employeesPortland, OREstablished in 2004, Interaction Metrics, a small answering service, is headquartered in Portland, Oregon. Their services include Call Center Services.Read More
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1135$10,000+50 - 249 employeesIloilo City, PhilippinesOneBPO is a call center launched in 2004. The team offers Call Center Services and Back Office Outsourcing and is headquartered in Las Vegas, Nevada and Iloilo City, Philippines.Read More
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1136UndisclosedFreelancer employeesUndisclosedElise Allen, a Sales Outsourcing company, was launched in 2023. They provides Sales Outsourcing.Read More
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1137$1,000+50 - 249 employeesHouston, TXSales Outsourcing company Texas Iron & Metal is based in Houston, Texas. The team offers Sales Outsourcing.Read More
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1138Undisclosed2 - 9 employeesMilton, AustraliaBased in Milton, Australia, Com2 Communications is a telephone answering service. The team specializes in Call Center Services and Business Consulting.Read More
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1139Undisclosed250 - 999 employeesDialDesk is a phone answering service. Launched in 2008, their team focuses on Call Center Services.Read More
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1140Undisclosed50 - 249 employeesGurugram, IndiaSAN Softwares is a telephone answering service. The Gurugram, India-based firm focuses on Call Center Services and Custom Software Development.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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