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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1471$100,000+10 - 49 employeesBerlin, GermanySingularitySales GmbH is a Berlin, Germany-based Sales Outsourcing company. Founded in 2019, the team provides Sales Outsourcing and Corporate Training & Coaching.Read More
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1472UndisclosedFreelancer employeesLong Eaton, EnglandTelephone Technology Ltd is an answering service company. They were founded in 2003, and their services include Call Center Services.Read More
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1473$1,000+50 - 249 employeesMidsize Sales Outsourcing company Power Leads, is based in London, England. The team specializes in Sales Outsourcing and Email Marketing.Read More
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1474Undisclosed50 - 249 employeesCallEEAST, a phone answering service, was launched in 1990. The midsize team provides Call Center Services.Read More
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1475$1,000+10 - 49 employeesClose, NigeriaIT Sky Solutions is a Close, Nigeria-based call center company. Their services include Call Center Services.Read More
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1476$1,000+50 - 249 employeesCairo, EgyptLaunched in 2017, Outsourcing 4 you is a telephone answering service. The team offers Call Center Services.Read More
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1477$1,000+50 - 249 employeesBANGALORE, IndiaMegaaOpes Solutions is an answering service launched in 2012. Their services include Call Center Services.Read More
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1478$1,000+250 - 999 employeesLucena, PhilippinesLocated in Lucena, Philippines, Upstream BPO Inc is a midsize telephone answering service. The team specializes in Call Center Services and Back Office Outsourcing.Read More
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1479$250,000+50 - 249 employeesIn West Palm Beach, Florida, Solaralm is a Sales Outsourcing company. They provide Sales Outsourcing and were established in 2017.Read More
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1480$1,000+50 - 249 employeesLos Angeles, CABased in Los Angeles, California and Sahibzada Ajit Singh Nagar, India, OKKO Global is a Sales Outsourcing company. Launched in 2019, the team specializes in Sales Outsourcing and Email Marketing.Read More
Industries
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1481$5,000+250 - 999 employeessao paulo, BrazilFounded in 2011, Altio BPO and Technology is a software development firm and call center service. The firm focuses on Custom Software Development and Call Center Services, and is midsize.Read More
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1482$1,000+50 - 249 employeesOcala, FL24/7 SECRETARY, an answering service company, is in Ocala, Florida and Dasmariñas, Philippines. Their services include Call Center Services and Back Office Outsourcing.Read More
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1483Undisclosed50 - 249 employeesAllen, TXTX Pavers and Turf is a Sales Outsourcing company. The firm is in Allen, Texas and Allen, Texas. Their services include Sales Outsourcing.Read More
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1484Undisclosed1,000 - 9,999 employeesHuntington Beach, CAKaizen BPO LLC is a Customer Service Outsourcing company founded in 2018. The large team specializes in Customer Service Outsourcing and Call Center Services.Read More
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1485Undisclosed50 - 249 employeesKamelBPO is a Sales Outsourcing company. They were launched in 2019, and their services include Sales Outsourcing and Back Office Outsourcing.Read More
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1486Undisclosed10 - 49 employeesBucurești, RomaniaAnswering service InfraWeb Manage Services Provider focuses on Call Center Services and Customer Service Outsourcing. They are headquartered in București, Romania.Read More
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1487$1,000+10 - 49 employeesLos Angeles, CABased in Los Angeles, California, RevGen Labs is a Sales Outsourcing company. They offer Sales Outsourcing.Read More
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1488$1,000+250 - 999 employeesLahore, PakistanAnswering service Digital Saving Solutions was established in 2018. In Lahore, Pakistan and Lahore, Pakistan, the team focuses on Call Center Services and Customer Service Outsourcing.Read More
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1489$1,000+2 - 9 employeesUndisclosedThe Live Lead is a Sales Outsourcing company headquartered in. They focus on Sales Outsourcing.Read More
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1490Undisclosed250 - 999 employeesBarranquilla, ColombiaEstablished in 2018, Mobility Tech Colombia is an answering service company. The team provides Call Center Services and Back Office Outsourcing and is located in Barranquilla, Colombia.Read More
Industries
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1491$1,000+50 - 249 employeesNinja Leads is a call center and Sales Outsourcing company in Sheridan, Wyoming. They offer Call Center Services and Sales Outsourcing.Read More
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1492$1,000+50 - 249 employeesNairobi, KenyaEminence Outsourcing is a call center service. They specialize in Call Center Services and Customer Service Outsourcing and were launched in 2022. The agency is in Nairobi, Kenya.Read More
Industries
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1493$1,000+250 - 999 employeesFYDI is a branding firm. The team offers Branding and Call Center Services and is located in Tustin, California.Read More
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1494Undisclosed250 - 999 employeesLekki, NigeriaMidsize call center service CallTel, is in Lekki, Nigeria. Their services include Call Center Services and Customer Service Outsourcing.Read More
Industries
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1495Undisclosed50 - 249 employeesYour Team in Tunisia is an answering service. Their team is located in Hammamet, Tunisia. The company offers Call Center Services and Back Office Outsourcing.Read More
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1496$5,000+10 - 49 employeesTaskFree is a Salford, England-based telephone answering service. The team provides Call Center Services.Read More
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1497$1,000+10 - 49 employeesLocated in Mohadevpur, Bangladesh, up2date database is a small Sales Outsourcing company. Their services include Sales Outsourcing.Read More
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1498Undisclosed1,000 - 9,999 employeesTata Tele Business Services is a call center. Established in 1998, the company provides Call Center Services and Internet & Technology Law.Read More
Industries
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1499Undisclosed10 - 49 employeesAustin, TXKozmoze, Inc, a Sales Outsourcing company, was established in 2019. The firm provides Sales Outsourcing.Read More
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1500Undisclosed1,000 - 9,999 employeesRebootXP is an answering service company in Noida, India. They specialize in Call Center Services and Sales Outsourcing.Read More
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