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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$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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1351$5,000+50 - 249 employeesMontvale, NJMillennium Medical Billing is a call center service. They are located in Montvale, New Jersey and have midsize team of experts. Their services include Call Center Services and Back Office Outsourcing.Read More
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1352Undisclosed2 - 9 employeesSan Diego, CAEstablished in 2024, Starry Solutions is a phone answering service. The agency offers Call Center Services.Read More
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1353$1,000+2 - 9 employeesT'bilisi, GeorgiaEnumeral is a T'bilisi, Georgia-based Sales Outsourcing company. Their services include Sales Outsourcing and AI Consulting.Read More
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1354$5,000+250 - 999 employeesFairfax, IACommercial Development and Sales Outsourcing company Advanced Traffic Control was established in 2004. The firm provides Commercial Development and Sales Outsourcing.Read More
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1355$10,000+50 - 249 employeesBased in Cairo, Egypt, Telephonic is a call center. They focus on Call Center Services and Customer Service Outsourcing.Read More
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1356$1,000+50 - 249 employeesFoster City, CAFunnL, a Sales Outsourcing and Account-Based Marketing company, is located in Foster City, California and Hyderabad, India. Their services include Sales Outsourcing and Account-Based Marketing.Read More
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1357Undisclosed250 - 999 employeesLas Vegas, NVCall center VCloud Interactive was established in 2018. The team provides Call Center Services and Customer Service Outsourcing.Read More
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1358$250,000+1,000 - 9,999 employeesQuezon City, PhilippinesIntelassist is a Quezon City, Philippines-based telephone answering service. Founded in 2007, the team provides Call Center Services and Back Office Outsourcing.Read More
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1359$1,000+2 - 9 employeesAubergenville, FranceLeads Provider, a call center service, is based in Aubergenville, France. They specialize in Call Center Services.Read More
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1360$1,000+10 - 49 employeesDaugavpils, LatviaCall center SIA Contactic specializes in Call Center Services. They are located in Daugavpils, Latvia and Daugavpils, Latvia.Read More
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1361Undisclosed1,000 - 9,999 employeesSan Diego, CADME Service Solutions is a large call center. Founded in 2021, the team offers Call Center Services and Back Office Outsourcing.Read More
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1362$10,000+250 - 999 employeesLaunched in 2018, BPOLABS, a midsize call center company, is based in Barranquilla, Colombia. Their team provides Call Center Services and Back Office Outsourcing.Read More
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1363$1,000+250 - 999 employeesIstmo Center is a phone answering service. They are in San José, Costa Rica and have midsize team. They specialize in Call Center Services and Back Office Outsourcing.Read More
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1364Undisclosed2 - 9 employeesLondon, EnglandDead Dolly Design is a Sales Outsourcing company. Located in London, England, their team provides Sales Outsourcing.Read More
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1365Undisclosed250 - 999 employeesSan Rafael, ArgentinaGlobal Solutions is a San Rafael, Argentina-based software development firm. They provide Custom Software Development and Call Center Services and were launched in 2001.Read More
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1366$1,000+50 - 249 employeesLahore, PakistanLaunched in 2013, BPO Solutions is a call center and Customer Service Outsourcing company. The agency offers Call Center Services and Customer Service Outsourcing.Read More
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1367$1,000+250 - 999 employeesIstanbul, TürkiyeHeadquartered in Istanbul, Türkiye, VANAD Engage Turkije is a midsize call center. Their services include Call Center Services and Customer Service Outsourcing.Read More
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1368Undisclosed50 - 249 employeesProspecta Global Solutions Corp. Is a Sales Outsourcing company. Launched in 2009, their team offers Sales Outsourcing and Call Center Services.Read More
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1369$1,000+250 - 999 employeesSanta Cruz de la Sierra, BoliviaConecta Redes y Servicios S.A.S is an answering service company in Santa Cruz de la Sierra, Bolivia. Established in 2006, the team specializes in Call Center Services and Customer Service Outsourcing.Read More
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1370$25,000+1,000 - 9,999 employeesKarachi, PakistanIbex. Pakistan is a call center launched in 2002. Their services include Call Center Services and Customer Service Outsourcing.Read More
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1371Undisclosed10 - 49 employeesEstablished in 2018, Freight Genie is a Sales Outsourcing company. The team provides Sales Outsourcing and Digital Strategy and is headquartered in Toronto, Canada.Read More
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1372Undisclosed250 - 999 employeesMandaue, PhilippinesAlternative Talent Solutions ATS is a Back Office Outsourcing company located in Mandaue, Philippines. They focus on Back Office Outsourcing and Call Center Services and were launched in 2008.Read More
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1373$100,000+250 - 999 employeesPavia, PhilippinesVirtual Workforce Professionals is an answering service company and Back Office Outsourcing company. In Pavia, Philippines, their team focuses on Call Center Services and Back Office Outsourcing.Read More
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1374$1,000+250 - 999 employeesZürich, SwitzerlandGanira is a midsize call center company launched in 2016. Their services include Call Center Services and Sales Outsourcing.Read More
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1375$5,000+50 - 249 employeesCustomerTop is an Alcobendas, Spain-based Sales Outsourcing company. The team focuses on Sales Outsourcing and Call Center Services.Read More
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1376$250,000+1,000 - 9,999 employeesCxperts is a large telephone answering service. They specialize in Call Center Services and Back Office Outsourcing and were launched in 2021.Read More
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1377$1,000+10 - 49 employeesCall center JMH Collection Agency is headquartered in Burbank, California. Their services include Call Center Services.Read More
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1378$5,000+2 - 9 employeesKalispell, MTBessen International LLC, a Sales Outsourcing company, was established in 2024. Their small team is based in Kalispell, Montana and Batumi, Georgia and focuses on Sales Outsourcing and Email Marketing.Read More
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1379Undisclosed250 - 999 employeesSan Ramon, CARead More
Five9 is a cloud-based call center software provider. Their team of about 1,000 employees is based in San Ramon, Calif. Services include CRM, ERP, and IT consulting, as well as voice services. They were founded in 2001.
Clients
DebtCleanseIndustries
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1380$1,000+Freelancer employeesSzczecin, PolandMarcinKowalik.online is a phone answering service. Located in Szczecin, Poland, the firm was founded in 2014. Their services include Call Center Services and Sales Outsourcing.Read More
Industries
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