Top 100 Call Center Services
The Best of October 2026
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, FLXACT, an answering service company, was founded in 1996. Their midsize team is in Orlando, Florida and Unity, Maine. The agency specializes in Call Center Services, Customer Service Outsourcing, Back Office Outsourcing, and Staffing.Read 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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1801$1,000+2 - 9 employeesFounded in 2024, Strales is a Sales Outsourcing company. The small team offers Sales Outsourcing and Artificial Intelligence.Read More
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1802Undisclosed2 - 9 employeesOttawa, CanadaVivin Sales is a Sales Outsourcing company established in 2022. The small team specializes in Sales Outsourcing.Read More
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1803$5,000+2 - 9 employeesPulsift is a London, England-based Sales Outsourcing company. The team provides Sales Outsourcing and Marketing Strategy.Read More
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1804$10,000+10 - 49 employeesSynchronized Sales is a Sales Outsourcing company. The team is located in Bristol, Rhode Island, and their services include Sales Outsourcing and Product Marketing.Read More
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1805Undisclosed250 - 999 employeesDialExpert, a telephone answering service, was founded in 2019. The midsize team focuses on Call Center Services and Sales Outsourcing.Read More
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1806$1,000+2 - 9 employeesDial'd In is a Sales Outsourcing company founded in 2024. The small team provides Sales Outsourcing.Read More
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1807$1,000+2 - 9 employeesPannal is a Sales Outsourcing company. Their small team is headquartered in Las Condes, Chile. Their services include Sales Outsourcing.Read More
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1808$1,000+10 - 49 employeesInsightWins Solutions is a small answering service. Founded in 2026, the team specializes in Call Center Services and Sales Outsourcing.Read More
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1809$1,000+10 - 49 employeesZadzwonimy.pl, a telephone answering service, was founded in 2002. They focuses on Call Center Services and Sales Outsourcing.Read More
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1810$1,000+10 - 49 employeesBengaluru, IndiaRead More
Cerebra LPO is a legal process outsourcing firm based in Bangalore, India with additional offices in Mumbai and Dubai. Founded in 1992, Cerebra LPO provides non-voice BPO/back office services and voice/call center services to primarily attorneys and law firms around the world.
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Bank of IndiaIndustries
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1811$1,000+250 - 999 employeesBucurești, RomaniaEuroanswer is a telephone answering service. Their team is based in București, Romania and Skopje, North Macedonia and provides Call Center Services and Customer Service Outsourcing.Read More
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1812Undisclosed250 - 999 employeesNoida, IndiaCustomer Service Outsourcing company Vcare Call Centers India Private Limited was founded in 1999. The firm specializes in Customer Service Outsourcing and Call Center Services.Read More
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1813$1,000+10 - 49 employeesLondon, EnglandMedlysis is a telephone answering service founded in 2023. Headquartered in London, England and California, California, their small team offers Call Center Services, Recruitment Process Outsourcing, and Customer Service Outsourcing.Read More
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1814$25,000+1,000 - 9,999 employeesNew Providence, NJIT managed services company Premier NX was founded in 2003. The team offers IT managed services and Call Center Services.Read More
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1815Undisclosed50 - 249 employeesBoston, MACogito Corp, an artificial intelligence development company, is headquartered in Boston, Massachusetts. The midsize firm was founded in 2007. Their services include Artificial Intelligence, BI & big data consulting & SI, non-voice bpo/back office services, and voice services.Read More
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1816$5,000+1,000 - 9,999 employeesHa Noi, VietnamCustomer Service Outsourcing company Bellsystem24-HoaSao is headquartered in Ha Noi, Vietnam and Ho Chi Minh, Vietnam. Their services include Customer Service Outsourcing and Back Office Outsourcing.Read More
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UberIndustries
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1817Undisclosed10 - 49 employeesTampa, FLCraft Impact is a Content Marketing company. Launched in 2012, the agency focuses on Content Marketing and Search Engine Optimization.Read More
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1818Undisclosed250 - 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.
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DebtCleanseIndustries
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1819Undisclosed250 - 999 employeesBambus Group , a Market Research company, is in Pristina, Kosovo. The team offers Market Research and Customer Service Outsourcing.Read More
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1820$1,000+2 - 9 employeesAndover, EnglandAngel Call Handling is a small telephone answering service. Launched in 2017, the team offers Call Center Services and Customer Service Outsourcing.Read More
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1821$1,000+50 - 249 employeesHiram, GARead More
DataPlus is a development and data entry agency in Hiram, Ga. Founded in 1992, they have at least 50 employees that serve clients in the healthcare, financial services, and business services sectors. DataPlus provides voice services and non-voice BPO/ back office services.
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1822$1,000+250 - 999 employeesGreenwood Village, COPRG, a Back Office Outsourcing company, is headquartered in Greenwood Village, Colorado. Their services include Back Office Outsourcing and Call Center Services.Read More
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1823Undisclosed250 - 999 employeesEstablished in 2022, ManilaPros is a Business Consulting company. The midsize team focuses on Business Consulting and Search Engine Optimization.Read More
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1824$1,000+250 - 999 employeesRead More
Harris BPO is an outsourcing agency based in Slough, UK. With close to 1,000 employees, the agency specializes in non-voice BPO and voice services, as well as HR consulting & outsourcing. Harris BPO mainly works with clients in government, consumer products & services, and energy & natural resources industries.
Clients
KelloggIndustries
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1825Undisclosed2 - 9 employeesUndisclosedThe Admin Partner Agency (Pty) Ltd, a small Business Consulting company, is based in. The team offers Business Consulting and Call Center Services.Read More
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1826$1,000+10 - 49 employeesExito BPO and Technologies is a Business Consulting company. The small Rawalpindi, Pakistan-based team provides Business Consulting and Call Center Services. The firm was founded in 2019.Read More
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1827$1,000+2 - 9 employeesPalmdale, CAPhone answering service Z4 Tech Medical Solutions is located in Palmdale, California and Muharraq, Bahrain. The small team offers call center services and back office outsourcing and was founded in 2022.Read More
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1828UndisclosedFreelancer employeesPetah Tikva, IsraelVictoria's Voice is a small answering service founded in 2001. Their services include Call Center Services and Translation.Read More
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1829$1,000+10,000+ employeesWinnipeg, CanadaLaunched in 2001, 24-7 INTOUCH is a Customer Service Outsourcing company. The team focuses on Customer Service Outsourcing and Back Office Outsourcing.Read More
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1830Undisclosed250 - 999 employeesMakati, PhilippinesAsia Premier One Source is a Customer Service Outsourcing company. Based in Makati, Philippines and Taguig, Philippines, the company offers Customer Service Outsourcing and Call Center Services.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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