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

  • 1561
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    10 - 49 employees
    Savonlinna, Finland
    In Savonlinna, Finland, Etätapaamisia Oy is a Sales Outsourcing and call center company. The team specializes in Sales Outsourcing and Call Center Services.
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  • 1562
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Sales Outsourcing company WFS Group specializes in Sales Outsourcing. They are in Sheridan, Wyoming.
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  • 1563
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    50 - 249 employees
    Construction Lead Pro, a Sales Outsourcing company, is in Pasadena, California. They offer Sales Outsourcing.
    Read More
  • 1564
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    10 - 49 employees
    Pantoja, Dominican Republic
    Founded in 2010, Xonnextions is a call center. Their services include Call Center Services and Back Office Outsourcing.
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  • 1565
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    Dial Raven is an answering service company founded in 2024. In Fairless Hills, Pennsylvania, the team specializes in Call Center Services.
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  • 1566
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Elgin, IL
    MAI Voice is an Elgin, Illinois-based call center service. Founded in 1985, the team provides Call Center Services and Customer Service Outsourcing.
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  • 1567
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    50 - 249 employees
    Lahore, Pakistan
    Based in Lahore, Pakistan, Meta Melon is a midsize telephone answering service. The team provides Call Center Services and Customer Service Outsourcing.
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  • 1568
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    Rohuneeme, Estonia
    Salesmarket is a small Rohuneeme, Estonia-based Sales Outsourcing company. The team offers Sales Outsourcing and Business Consulting.
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  • 1569
    (0 Reviews)

    Not yet reviewed.

    $10,000+
    1,000 - 9,999 employees
    Ocube Services is a call center service. Headquartered in Noida, India, the team focuses on Call Center Services and Back Office Outsourcing.
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  • 1570
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    1,000 - 9,999 employees
    Launched in 2013, 浙江衍生信息技术有限公司 is a large call center company. Their team specializes in Call Center Services and Customer Service Outsourcing.
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  • 1571
    (0 Reviews)

    Not yet reviewed.

    $10,000+
    10 - 49 employees
    Bath, England
    Branch Growth, a Sales Outsourcing company, was launched in 2005. The company specializes in Sales Outsourcing and Marketing Strategy, and is small.
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  • 1572
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    50 - 249 employees
    Tirana, Albania
    Midsize telephone answering service SIMETRIX SOLUTIONS, is located in Tirana, Albania and Durrës, Albania. Their services include Call Center Services and Customer Service Outsourcing.
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    Industries

  • 1573
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    50 - 249 employees
    Gravify is a Conversion Optimization company. The firm is located in Mumbai, India. Their services include Conversion Optimization and CRM consulting and SI.
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    Industries

  • 1574
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    San Francisco, CA
    AiSDR is a Sales Outsourcing and AI Agents company. They were established in 2023, and their services include Sales Outsourcing and AI Agents.
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  • 1575
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    250 - 999 employees
    Mumbai, India
    Based in Mumbai, India, Yellow Umbrella Services is an Event Marketing company. The team specializes in Event Marketing and Digital Strategy.
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  • 1576
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    250 - 999 employees
    Karachi, Pakistan
    Evaluation Grid is a Document Digitization & Management company. They are based in Karachi, Pakistan and have midsize team. They provide Document Digitization & Management and Call Center Services.
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  • 1577
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    250 - 999 employees
    Established in 2015, Wingo Starr Group Sdn Bhd is a Customer Service Outsourcing company. Their services include Customer Service Outsourcing and Call Center Services.
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    Industries

  • 1578
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    Glen Burnie, MD
    Telerep is a Glen Burnie, Maryland-based answering service company. They provide Call Center Services and Customer Service Outsourcing and were established in 1976.
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    Industries

  • 1579
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    Undisclosed
    The Admin Partner Agency (Pty) Ltd, a small Business Consulting company, is based in. The team offers Business Consulting and Call Center Services.
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    Industries

  • 1580
    (1 Reviews) 5.0

    Timeliness

    4.5

    Service Excellence

    5.0

    Value

    4.5

    Would Recommend

    5.0
    $1,000+
    10 - 49 employees
    London, England
    Medlysis 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.
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    Industries

  • 1581
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Histon, England
    BioStrata is a public relations agency. Located in Histon, England and Boston, Massachusetts, the agency was founded in 2014. Their services include Public Relations and Content Marketing.
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    Industries

  • 1582
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    50 - 249 employees
    Mumbai, India
    I2c World Inc. Is a Back Office Outsourcing company. They were established in 2001, and their services include Back Office Outsourcing and Sales Outsourcing.
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    Industries

  • 1583
    (0 Reviews)

    Not yet reviewed.

    $100,000+
    50 - 249 employees
    Nellore, India
    Kishore tech solutions is a Nellore, India-based call center service. Established in 2023, the team specializes in Call Center Services and Other Digital Marketing.
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  • 1584
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Rawalpindi, Pakistan
    Pyramids Global is a Back Office Outsourcing company. Founded in 2013, the company provides Back Office Outsourcing and Call Center Services.
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    Industries

  • 1585
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    2 - 9 employees
    Sialkot, Pakistan
    Nexteller is an answering service company. The team offers Call Center Services and Sales Outsourcing, and the firm is located in Sialkot, Pakistan.
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    Industries

  • 1586
    (1 Reviews) 5.0

    Timeliness

    4.5

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    50 - 249 employees
    Chennai, India

    Founded in 2014, BOSS HealthCare is a BPO services provider with about 10 employees based in Chennai, India. BOSS HealthCare offers non-voice BPO/back office services, voice/call center services, and transcription capabilities to clients in the health care & medical industry. 

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    Industries

  • 1587
    (1 Reviews) 5.0

    Timeliness

    4.5

    Service Excellence

    5.0

    Value

    4.5

    Would Recommend

    4.5
    $1,000+
    50 - 249 employees

    Direct TPV is a third party verification company that specializes in BPO and voice services. With over 50 employees, the team works with various industries such as business & financial services and telecommunications. 

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    Industries

  • 1588
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    50 - 249 employees
    General Santos City, Philippines
    VirtualChampsGlobal is a web design company. In General Santos City, Philippines, the agency offers Web Design and UX/UI Design.
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    Industries

  • 1589
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    250 - 999 employees
    Makati, Philippines
    Asia 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.
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    Industries

  • 1590
    (1 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $25,000+
    50 - 249 employees
    Pune, India
    The SalesBridge is a sales outsourcing company. The midsize Pune, India-based team provides sales outsourcing, other marketing, content marketing, and email marketing. The company was launched in 2020.
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    Industries

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