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

  • 1531
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    1,000 - 9,999 employees
    Huntington Beach, CA
    Kaizen BPO LLC is a Customer Service Outsourcing company founded in 2018. The large team specializes in Customer Service Outsourcing and Call Center Services.
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  • 1532
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    KamelBPO is a Sales Outsourcing company. They were launched in 2019, and their services include Sales Outsourcing and Back Office Outsourcing.
    Read More
  • 1533
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    50 - 249 employees
    București, Romania
    Call center InfraWeb Manage Services Provider is headquartered in București, Romania and Drobeta-Turnu Severin, Romania. Their services include Call Center Services and Customer Service Outsourcing.
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  • 1534
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    10 - 49 employees
    Los Angeles, CA
    Based in Los Angeles, California, RevGen Labs is a Sales Outsourcing company. They offer Sales Outsourcing.
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  • 1535
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    250 - 999 employees
    Lahore, Pakistan
    Answering 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.
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    Industries

  • 1536
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    2 - 9 employees
    Undisclosed
    The Live Lead is a Sales Outsourcing company headquartered in. They focus on Sales Outsourcing.
    Read More
  • 1537
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    250 - 999 employees
    Barranquilla, Colombia
    Established 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.
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    Industries

  • 1538
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    50 - 249 employees
    Ninja Leads is a call center and Sales Outsourcing company in Sheridan, Wyoming. They offer Call Center Services and Sales Outsourcing.
    Read More
  • 1539
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    50 - 249 employees
    Nairobi, Kenya
    Eminence 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.
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    Industries

  • 1540
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    250 - 999 employees
    FYDI is a branding firm. The team offers Branding and Call Center Services and is located in Tustin, California.
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  • 1541
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    250 - 999 employees
    Lekki, Nigeria
    Midsize call center service CallTel, is in Lekki, Nigeria. Their services include Call Center Services and Customer Service Outsourcing.
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    Industries

  • 1542
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Your 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
  • 1543
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    10 - 49 employees
    TaskFree is a Salford, England-based telephone answering service. The team provides Call Center Services.
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  • 1544
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    10 - 49 employees
    Located in Mohadevpur, Bangladesh, up2date database is a small Sales Outsourcing company. Their services include Sales Outsourcing.
    Read More
  • 1545
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    1,000 - 9,999 employees
    Tata Tele Business Services is a call center. Established in 1998, the company provides Call Center Services and Internet & Technology Law.
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    Industries

  • 1546
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Austin, TX
    Kozmoze, Inc, a Sales Outsourcing company, was established in 2019. The firm provides Sales Outsourcing.
    Read More
  • 1547
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    1,000 - 9,999 employees
    RebootXP is an answering service company in Noida, India. They specialize in Call Center Services and Sales Outsourcing.
    Read More
  • 1548
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    London, England
    Established in 2020, Globe Call Center is an answering service company. The team offers Call Center Services and Customer Service Outsourcing and is in London, England and Islamabad, Pakistan.
    Read More
  • 1549
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    50 - 249 employees
    Durban, South Africa
    Midsize call center 2cantalks, is based in Durban, South Africa. Their services include Call Center Services and Sales Outsourcing.
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    Industries

  • 1550
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    50 - 249 employees
    Founded in 2024, Mister call is a midsize Antananarivo, Madagascar-based call center. Their team focuses on Call Center Services and Back Office Outsourcing.
    Read More
  • 1551
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    1,000 - 9,999 employees
    Seoleads.me is a Sales Outsourcing company. The texas, California-based agency was launched in 2017. Their services include Sales Outsourcing and Marketing Strategy.
    Read More
  • 1552
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    250 - 999 employees
    Leeway International Pvt. Ltd. Is a telephone answering service. They provide Call Center Services and Customer Service Outsourcing and were established in 2017.
    Read More
  • 1553
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    Answering service company The Prospect Tree is in Wooburn Green, England. The team offers Call Center Services and Market Research.
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  • 1554
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    50 - 249 employees
    RAM BPO, a call center, was founded in 2020. The team specializes in Call Center Services and Back Office Outsourcing and is located in Medellin, Colombia.
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    Industries

  • 1555
    (0 Reviews)

    Not yet reviewed.

    $10,000+
    10 - 49 employees
    Monterrey, Mexico
    Servicios de Contacto Aries is a small Monterrey, Mexico-based call center. The team specializes in Call Center Services and Sales Outsourcing.
    Read More
  • 1556
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    50 - 249 employees
    Houston, TX
    The Call Center Doctors is a telephone answering service. The company is in Houston, Texas. Their services include Call Center Services.
    Read More
  • 1557
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    1,000 - 9,999 employees
    uMhlanga, South Africa
    Answering service company Ignition CX was established in 2002. The firm offers Call Center Services and Customer Service Outsourcing.
    Read More
  • 1558
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    Callcenterindubai is an answering service company. The New Delhi, India-based agency offers Call Center Services.
    Read More
  • 1559
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    250 - 999 employees
    Midsize telephone answering service IMPACT BPO, is based in Tegucigalpa, Honduras. Their services include Call Center Services and Back Office Outsourcing.
    Read More

    Industries

  • 1560
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    50 - 249 employees
    Midsize Accounting and answering service Vision Sync Solutions, is in Newark, Delaware and Bengaluru, India. Their services include Accounting and Call Center Services.
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    Industries

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