Top 100 Call Center Services

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Top 100 Call Center Services

The Best of March 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. 
Jump to Most Reviewed Companies

List of the Best Voice Services Providers on the Market

  • 1321
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    1,000 - 9,999 employees
    Ha Noi, Vietnam
    Phone answering service BELLSYSTEM24 VIETNAM is based in Ha Noi, Vietnam and Ho Chi Minh, Vietnam. The team focuses on Call Center Services and Customer Service Outsourcing.
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    Industries

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  • 1322
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    50 - 249 employees
    Melbourne, FL
    Founded in 2012, Magellan Solutions USA is a midsize Melbourne, Florida-based call center company. Their services include Call Center Services and Back Office Outsourcing.
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  • 1323
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    London, England
    Bizik is a phone answering service founded in 2024. The team provides Call Center Services.
    Read More
  • 1324
    (0 Reviews)

    Not yet reviewed.

    $50,000+
    250 - 999 employees
    VOICECOM is a midsize phone answering service located in Tunis, Tunisia. The team specializes in Call Center Services.
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  • 1325
    (0 Reviews)

    Not yet reviewed.

    $25,000+
    250 - 999 employees
    Harare, Zimbabwe
    Omnicontact is a midsize Business Consulting company launched in 2009. Their services include Business Consulting and Call Center Services.
    Read More
  • 1326
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    1,000 - 9,999 employees
    ISSI Corp is a call center service. The Taguig, Philippines-based firm was established in 2010. Their services include Call Center Services and Customer Service Outsourcing.
    Read More

    Industries

  • 1327
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    250 - 999 employees
    Miami, FL
    Visionary Solutions, a Customer Service Outsourcing company, was established in 2006. They provides Customer Service Outsourcing and Business Consulting.
    Read More
  • 1328
    (0 Reviews)

    Not yet reviewed.

    $250,000+
    10 - 49 employees
    Sales Outsourcing company LeadSpotting was established in 2015. The small team offers Sales Outsourcing and Artificial Intelligence.
    Read More
  • 1329
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    250 - 999 employees
    Anaheim, CA
    ASAP NSN Parts is a Sales Outsourcing company located in Anaheim, California. They provide Sales Outsourcing and Engineering.
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    Industries

  • 1330
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    1,000 - 9,999 employees
    Pleasantacrylic is a large answering service company. They specialize in Call Center Services and Manufacturing Consulting and were established in 2010.
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  • 1331
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Kontaktkompass, a Sales Outsourcing company, is located in Baar, Switzerland. The team focuses on Sales Outsourcing and Direct Marketing.
    Read More

    Industries

  • 1332
    (0 Reviews)

    Not yet reviewed.

    $50,000+
    250 - 999 employees
    Dundalk, Ireland
    Uniquely is a Sales Outsourcing company. Their midsize team of employees is in Dundalk, Ireland and Marston Green, England. Their team specializes in Sales Outsourcing and Call Center Services.
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  • 1333
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    10 - 49 employees
    Leadaro is an Email Marketing and Sales Outsourcing company. Their small team is headquartered in Newark, Delaware. Their services include Email Marketing and Sales Outsourcing.
    Read More

    Industries

  • 1334
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Tampa, FL
    Craft Impact is a Content Marketing company. Launched in 2012, the agency focuses on Content Marketing and Search Engine Optimization.
    Read More

    Industries

  • 1335
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Answer United is a Kalamazoo, Michigan-based telephone answering service. Launched in 1965, the team specializes in Call Center Services and Customer Service Outsourcing.
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    Industries

  • 1336
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    1,000 - 9,999 employees
    New York, NY
    Integreon, a large Back Office Outsourcing company, is headquartered in New York, New York and Makati, Philippines. Their services include Back Office Outsourcing and Transcription.
    Read More

    Clients

    Microsoft

    Industries

  • 1337
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    250 - 999 employees
    Makati, Philippines
    Omada One is a phone answering service in Makati, Philippines and Mabalacat, Philippines. The team offers Call Center Services and Back Office Outsourcing.
    Read More

    Industries

  • 1338
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    50 - 249 employees
    Dhaka, Bangladesh
    Ihelpbd is a call center service founded in 2012. The agency offers Call Center Services, and is midsize.
    Read More
  • 1339
    (0 Reviews)

    Not yet reviewed.

    $10,000+
    1,000 - 9,999 employees
    Noida, India
    Mas Callnet India P Ltd is a large Noida, India-based answering service company. Their services include Call Center Services and Customer Service Outsourcing.
    Read More

    Industries

  • 1340
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Los Angeles, CA
    Based in Los Angeles, California, Tel-Us Call Center is a small call center. The team specializes in Call Center Services and Customer Service Outsourcing.
    Read More

    Industries

  • 1341
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    250 - 999 employees
    Warszawa, Poland
    ICS Center is a call center service headquartered in Warszawa, Poland and Białystok, Poland. They specialize in Call Center Services and Customer Service Outsourcing and were founded in 2005.
    Read More

    Industries

  • 1342
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    10 - 49 employees
    Park Ridge, IL
    Answering service Signius Communications was launched in 1994. The company offers Call Center Services and Customer Service Outsourcing.
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  • 1343
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    10 - 49 employees
    Denton, England
    Sales Outsourcing company Facets Commercial Consulting provides Sales Outsourcing and Marketing Strategy. They are located in Denton, England.
    Read More

    Industries

  • 1344
    (1 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    250 - 999 employees
    Aqaba, Jordan
    Call center company IconiCS Group is in Amman, Jordan and Aqaba, Jordan. The firm focuses on call center services, content moderation services, customer service outsourcing, social media marketing, and more and is midsize.The firm was founded in 2021.
    Read More

    Industries

  • 1345
    (0 Reviews)

    Not yet reviewed.

    $10,000+
    2 - 9 employees
    Fireworks IT, a Sales Outsourcing company, is headquartered in Aurora, Colorado. They offer Sales Outsourcing.
    Read More

    Industries

  • 1346
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    CMS is a small Columbus, Ohio-based answering service company. Their services include Call Center Services and Customer Service Outsourcing.
    Read More

    Industries

  • 1347
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    2 - 9 employees
    Launched in 2019, Solnfy Agency is a small Sales Outsourcing company. Their team offers Sales Outsourcing and Email Marketing.
    Read More

    Industries

  • 1348
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    10 - 49 employees
    Launched in 2008, DialerKing Technology is a phone answering service and Customer Service Outsourcing company. The team specializes in Call Center Services and Customer Service Outsourcing.
    Read More

    Industries

  • 1349
    (1 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    50 - 249 employees
    Kyiv, Ukraine
    Established in 2014, Zenko Group is a telephone answering service. Their midsize team is located in Kyiv, Ukraine. Their team focuses on Call Center Services, Back Office Outsourcing, Customer Service Outsourcing, and Sales Outsourcing.
    Read More

    Industries

  • 1350
    (1 Reviews) 4.5

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $25,000+
    1,000 - 9,999 employees
    ServeRetail is a Customer Service Outsourcing company founded in 2004. Their large team is in Norcross, Georgia and Mandaluyong City, Philippines. Their services include Customer Service Outsourcing, Call Center Services, Back Office Outsourcing, Generative AI, and more.
    Read More

    Industries

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