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.
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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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1051$1,000+10 - 49 employeesCape Town, South AfricaReal Receptionist is a call center and HR Outsourcing company. Founded in 2019, the agency offers Call Center Services and HR Outsourcing.Read More
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1052$1,000+10 - 49 employeesSaasprospects LLC, a sales outsourcing company, is based in Sheridan, Wyoming and Bengaluru, India. The small team focuses on sales outsourcing, content marketing, and email marketing and was launched in 2016.Read More
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1053Undisclosed250 - 999 employeesChula Vista, CAConnempathy, a telephone answering service and Customer Service Outsourcing company, was founded in 2010. The firm specializes in Call Center Services and Customer Service Outsourcing, and is midsize.Read More
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1054$1,000+50 - 249 employeesMarkham, CanadaIT managed services company Pathway Communications is in Markham, Canada and Victoria, Canada. Their services include IT managed services and Call Center Services.Read More
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1055$1,000+10 - 49 employeesEden Prairie, MNEstablished in 2010, Grow Your Sales Pipeline is a small Sales Outsourcing company. Their team offers Sales Outsourcing and Corporate Training & Coaching.Read More
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1056$1,000+10 - 49 employeesIslamabad, PakistanEstablished in 2016, Rezolves is a small telephone answering service and customer service outsourcing company located in Islamabad, Pakistan and Mississauga, Canada. Their services include call center services and customer service outsourcing.Read More
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1057Undisclosed50 - 249 employeesLondon, EnglandTIPi Group, a digital strategy company, was established in 2015. The company focuses on digital strategy, other digital marketing, voice services, pay per click, and more and has a midsize team.Read More
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1058$1,000+10 - 49 employeesHarlow, EnglandEstablished in 2004, Zebra Connexions Ltd is an answering service. The small team specializes in Call Center Services and Back Office Outsourcing.Read More
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1059$1,000+2 - 9 employeesNew York, NYOkayRelax, a small non-voice bpo/back office services and phone answering service, is based in New York, New York. The team specializes in non-voice bpo/back office services and voice services.Read More
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1060$1,000+10 - 49 employeesFareham, EnglandSmall Sales Outsourcing company Inspired B2B Marketing, is located in Fareham, England. The team focuses on Sales Outsourcing and Back Office Outsourcing.Read More
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1061$1,000+50 - 249 employeesEdmonton, CanadaMetCredit is a phone answering service established in 1973. Their team focuses on Call Center Services.Read More
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1062Undisclosed50 - 249 employeesExecutive Boutique Call Center is a call center service. They are in Cebu, Philippines and have midsize team. Their services include Call Center Services and Back Office Outsourcing.Read More
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1063$1,000+1,000 - 9,999 employeesSeattle, WADirect Interactions is a call center company in Seattle, Washington. Their services include Call Center Services and Customer Service Outsourcing.Read More
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1064$1,000+250 - 999 employeesOptimal Virtual Employee is a phone answering service. They offer Call Center Services and Back Office Outsourcing and were founded in 2007. The firm is based in India.Read More
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1065Undisclosed250 - 999 employeesSacramento, CATeleDirect Call Centers, a call center service and Customer Service Outsourcing company, was launched in 1961. The midsize team provides Call Center Services and Customer Service Outsourcing.Read More
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1066$25,000+250 - 999 employeesPrague 8, Czech RepublicICON Communication Centres s.r.o. Is a Customer Service Outsourcing company founded in 2003. The company specializes in Customer Service Outsourcing and Call Center Services, and is midsize.Read More
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1067Undisclosed50 - 249 employeesWichita, KSCallcap is a telephone answering service. The team offers Call Center Services and Business Consulting and is in Wichita, Kansas.Read More
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1068$1,000+1,000 - 9,999 employeesHo Chi Minh, VietnamTHIENTU CO.,LTD is a large Ho Chi Minh, Vietnam-based phone answering service. The team provides Call Center Services and Customer Service Outsourcing.Read More
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1069Undisclosed50 - 249 employeesAmsterdam, NetherlandsRIFF is a midsize call center service founded in 2017. Their team offers Call Center Services.Read More
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1070$1,000+50 - 249 employeesCrewe , EnglandLaunched in 2010, Cymphony is a midsize call center company. Their team offers Call Center Services.Read More
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1071$5,000+1,000 - 9,999 employeesMumbai, IndiaDatamatics Business Solutions Inc, a Marketing Strategy company, was founded in 1982. In Mumbai, India and New York, New York, the team provides Marketing Strategy and Sales Outsourcing.Read More
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1072$1,000+50 - 249 employeesPune, IndiaOnly B2B is a Pune, India-based Sales Outsourcing company. They provide Sales Outsourcing.Read More
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1073$10,000+1,000 - 9,999 employeesBogotá, ColombiaCall center Outsourcing S.A.S BIC specializes in Call Center Services and Customer Service Outsourcing. They are based in Bogotá, Colombia and Bogotá, Colombia.Read More
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1074$25,000+10,000+ employeescairo, EgyptXceed is a large call center service founded in 2001. Their team focuses on Call Center Services and Back Office Outsourcing.Read More
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1075Undisclosed250 - 999 employeesMadrid, SpainSales Force Europe is a Business Consulting and Sales Outsourcing company established in 2022. Their services include Business Consulting and Sales Outsourcing.Read More
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1076Undisclosed50 - 249 employeesAshmore, AustraliaBusiness2sell is a Business Consulting and Sales Outsourcing company. In Ashmore, Australia, the team specializes in Business Consulting and Sales Outsourcing.Read More
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1077Undisclosed10 - 49 employeesUndisclosedLead Pops is a Sales Outsourcing company. Launched in 2024, the team offers Sales Outsourcing.Read More
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1078$50,000+10,000+ employeesWinnipeg, CanadaLarge answering service IntouchCX, is in Winnipeg, Canada. The team provides Call Center Services and Back Office Outsourcing.Read More
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1079Undisclosed1,000 - 9,999 employeesTelephone answering service Upsell Technologies is based in Toshima City, Japan and Cebu City, Philippines. The team offers Call Center Services and Sales Outsourcing.Read More
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1080Undisclosed10,000+ employeesFort Lauderdale, FLDocVA, an Email Marketing company, was established in 2000. They specializes in Email Marketing and Call Center Services.Read More
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