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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1651$25,000+50 - 249 employeesAhmedabad, IndiaGreenbucks Info solution pvt ltd is a call center. They were established in 2018, and their services include Call Center Services and Sales Outsourcing.Read More
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1652$10,000+1,000 - 9,999 employeesKinshasa, Congo (the Democratic Republic of the)Answering service company Certus Technologies Ltd is in Kinshasa, Congo (the Democratic Republic of the) and Kampala, Uganda. They offer Call Center Services and Back Office Outsourcing.Read More
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1653$1,000+50 - 249 employeesAtlanta, GAManpower Virtual, a Business Consulting and answering service company, is located in Atlanta, Georgia. They provide Business Consulting and Call Center Services.Read More
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1654$5,000+2 - 9 employeesScaleHQ is a Sales Outsourcing company launched in 2023. The company focuses on Sales Outsourcing, and is small.Read More
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1655$1,000+10 - 49 employeesGarden City, IDB2B Tech Intent is a Sales Outsourcing company. Their small team is in Garden City, Idaho. Their services include Sales Outsourcing.Read More
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1656$10,000+50 - 249 employeesNew York, NYLocated in New York, New York and Nicosia, Cyprus, Apects is a Conversion Optimization and Sales Outsourcing company. The team provides Conversion Optimization and Sales Outsourcing.Read More
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1657$1,000+2 - 9 employeesAscendo Group is a Sales Outsourcing company. Located in Barcice, Poland, the company was founded in 2021. Their services include Sales Outsourcing and Email Marketing.Read More
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1658$1,000+2 - 9 employeesBranale, a Sales Outsourcing company, was launched in 2024. Located in Manchester, England and Bengaluru, India, the team specializes in Sales Outsourcing and Account-Based Marketing.Read More
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1659$1,000+2 - 9 employeesUndisclosedAntsy Inc is a telephone answering service founded in 2018. The team offers Call Center Services.Read More
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1660$1,000+2 - 9 employeesEstablished in 2023, Dialtone Calling Services is a call center. The firm provides Call Center Services and Sales Outsourcing, and is small.Read More
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1661$1,000+2 - 9 employeesKatowice, PolandSellap sp.zo.o. Is a Sales Outsourcing company. In Katowice, Poland and Skawina, Poland, the company was launched in 2012. Their team focuses on Sales Outsourcing and Call Center Services.Read More
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1662Undisclosed2 - 9 employeesReception Xpress is a call center company launched in 2024. The small team specializes in Call Center Services.Read More
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1663$5,000+50 - 249 employeesCairo, EgyptLaunched in 2018, Master Artists for Business solutions is a call center service. In Cairo, Egypt, the team focuses on Call Center Services and IT strategy consulting.Read More
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1664$10,000+2 - 9 employeesWembley, EnglandCybrosys Communications is a call center company based in Wembley, England and Abbottabad, Pakistan. Their services include Call Center Services.Read More
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1665Undisclosed50 - 249 employeesNew York, NYKtech is a call center. They specialize in Call Center Services and Sales Outsourcing and were founded in 2023.Read More
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1666Undisclosed10 - 49 employeesConveyancer Plus is a Sales Outsourcing company. In Ilford, England, the firm provides Sales Outsourcing.Read More
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1667$1,000+250 - 999 employeesUndisclosedWazowski Outsourcing, an answering service and Customer Service Outsourcing company, was established in 2019. In , the team specializes in Call Center Services and Customer Service Outsourcing.Read More
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1668$100,000+10,000+ employeesSan Francisco, CAEstablished in 1999, SalesForsaas is a Data Annotation Services company. Their services include Data Annotation Services and CRM consulting and SI.Read More
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1669$1,000+250 - 999 employeesBerkeley, CAScale Support, a Customer Service Outsourcing company, is based in Berkeley, California. They provide Customer Service Outsourcing and Call Center Services.Read More
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1670$1,000+2 - 9 employeesCelbridge, IrelandAutomation Sidekick is a Sales Outsourcing company based in Celbridge, Ireland. Launched in 2024, the team offers Sales Outsourcing.Read More
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1671$1,000+2 - 9 employeesTampa, FLHotel QA is a call center service. Located in Tampa, Florida, the company was established in 2023. Their team offers Call Center Services and Business Consulting.Read More
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1672$1,000+2 - 9 employeesLaunched in 2024, BayWave is a Sales Outsourcing company. Their team provides Sales Outsourcing.Read More
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1673$10,000+50 - 249 employeesIn Saidia, Morocco, GlobaServe Morocco is a phone answering service. Their services include Call Center Services and Customer Service Outsourcing.Read More
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1674$5,000+10 - 49 employeesSingaporeSparkSales is a small Singapore-based Sales Outsourcing company. Their services include Sales Outsourcing and Business Consulting.Read More
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1675$1,000+Freelancer employeesKolkata, IndiaScale Campaigns is a Sales Outsourcing company. Based in Kolkata, India, their team specializes in Sales Outsourcing.Read More
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1676Undisclosed10 - 49 employeesMinneapolis, MNSales Outsourcing company B2B Lanes provides Sales Outsourcing. They were launched in 2020.Read More
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1677Undisclosed50 - 249 employeesKarachi, PakistanSNJ Global Services, a Back Office Outsourcing company, focuses on Back Office Outsourcing and Call Center Services. The company is in Karachi, Pakistan and Karachi, Pakistan.Read More
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1678Undisclosed50 - 249 employeesuMhlanga, South AfricaGrowth Partners Global is a branding company and Sales Outsourcing company. Headquartered in uMhlanga, South Africa, the firm offers Branding and Sales Outsourcing.Read More
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1679Undisclosed50 - 249 employeesJhelum, PakistanIJ Technologies is a telephone answering service and Customer Service Outsourcing company founded in 2022. Their team provides Call Center Services and Customer Service Outsourcing.Read More
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1680Undisclosed10 - 49 employeesOrlando, FLFounded in 2022, ProspectLeap is a small Sales Outsourcing company headquartered in Orlando, Florida. Their team provides Sales Outsourcing.Read More
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