Top 100 Call Center Services

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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. 
Jump to Most Reviewed Companies

List of the Best Voice Services Providers on the Market

  • 1531
    (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

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  • 1532
    (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

  • 1533
    (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

  • 1534
    (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

  • 1535
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    50 - 249 employees
    Toronto, Canada
    RoundAssist Inc., a big data analytics company, specialize in BI & big data consulting & SI and CRM consulting and SI. They were launched in 2005.
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  • 1536
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    10 - 49 employees
    Launched in 2001, RDI, Inc. Is a Business Consulting and Sales Outsourcing company. The small team focuses on Business Consulting and Sales Outsourcing.
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    Industries

  • 1537
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    Answer Center, a telephone answering service, provide Call Center Services and Customer Service Outsourcing. They were founded in 1980.
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    Industries

  • 1538
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    250 - 999 employees
    Jaipur, India
    QDegrees Services is a Market Research company. They focus on Market Research and Business Consulting and were founded in 2013.
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    Industries

  • 1539
    (1 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    2 - 9 employees
    Palmdale, CA
    Phone 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.
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    Industries

  • 1540
    (0 Reviews)

    Not yet reviewed.

    $25,000+
    10 - 49 employees
    Undisclosed
    Automatio is a big data analytics company and Sales Outsourcing company. They are based in. Their team focuses on BI & big data consulting & SI and Sales Outsourcing.
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  • 1541
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Los Angeles, CA
    Call center Convoso is based in Los Angeles, California. The team provides Call Center Services and Sales Outsourcing.
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  • 1542
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    250 - 999 employees
    Lusaka, Zambia
    Launched in 2010, FSI Outsourcing is a call center company. The team provides Call Center Services and Back Office Outsourcing.
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  • 1543
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    250 - 999 employees
    Resolv.Global is a Staffing company. The firm is based in Plano, Texas. Their team focuses on Staffing and Employer of Record (EOR) Services.
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    Industries

  • 1544
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Supirax Global Corporations Inc. Is a telephone answering service. The St. Petersburg, Florida-based team provides Call Center Services and Back Office Outsourcing.
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    Industries

  • 1545
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Dhaka, Bangladesh
    Euro Glass, an answering service, is headquartered in Dhaka, Bangladesh. Their services include Call Center Services and Business Consulting.
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    Industries

  • 1546
    (1 Reviews) 5.0

    Timeliness

    4.0

    Service Excellence

    5.0

    Value

    4.5

    Would Recommend

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

    Votiko, an answering service, was launched in 2014. They are in Surat, India; Canton, Michigan and Ottawa, Canada and have a midsize team. Their services include call center services, social media marketing, search engine optimization, back office outsourcing, and more.

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    Industries

  • 1547
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    10 - 49 employees
    New Delhi, India
    Established in 2017, Nimble Remote Subscription Staffing is a small call center company. Their services include Call Center Services and Social Media Marketing.
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    Industries

  • 1548
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    10 - 49 employees
    London, England
    Enticeable is a Digital Strategy company. The team is located in London, England, and their services include Digital Strategy and Marketing Strategy.
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    Industries

  • 1549
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Itasca, IL
    Brown & Joseph, a phone answering service, was launched in 1996. They specializes in Call Center Services and Custom Software Development.
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    Industries

  • 1550
    (0 Reviews)

    Not yet reviewed.

    $10,000+
    1,000 - 9,999 employees
    Located in Nashik, India, ABC technologies LTD is a Product Design company. They specialize in Product Design and Graphic Design and were launched in 2023.
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  • 1551
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    10 - 49 employees
    Esi-Call is a call center company. Located in Sidi Bel Abbès, Algeria, the firm provides Call Center Services and Customer Service Outsourcing.
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  • 1552
    (1 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    10 - 49 employees

    SidekickAdmin is a phone answering service launched in 2022. Located in Ottawa, Canada, their small team focuses on call center services.

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    Industries

  • 1553
    (2 Reviews) 4.5

    Timeliness

    4.5

    Service Excellence

    4.5

    Value

    4.5

    Would Recommend

    4.8
    $1,000+
    2 - 9 employees

    Worldwide Call Centers is an outsourcing consultancy and call center network based in Colorado Springs, Colo. Founded in 1998, they have fewer than 10 employees but work with proprietary outsourcing groups depending on their clients' needs. Thye mostly provides strategic consulting with respect to outsourcing placement, but can also directly provide voice and non-voice business process outsourcing services.

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    Industries

  • 1554
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    10 - 49 employees
    Bedford, Canada
    Smiledog "Your Receptionist", a small call center and Customer Service Outsourcing company, is located in Bedford, Canada. Their services include Call Center Services and Customer Service Outsourcing.
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    Industries

  • 1555
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    2 - 9 employees
    Noida, India
    NSB BPO Solution Pvt. Ltd. Is a phone answering service. Their small team is headquartered in Noida, India and India. Their services include Call Center Services and Transcription.
    Read More
  • 1556
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Bethlehem, PA
    ET&T, Inc. Is an answering service. Founded in 1968, their team focuses on Call Center Services and IT managed services.
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  • 1557
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Addison, TX
    Southwest Recovery Services is an answering service and Customer Service Outsourcing company. Their services include Call Center Services.
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  • 1558
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    10 - 49 employees
    Stonington, CT
    DSO Medplus, a call center company and Back Office Outsourcing company, is headquartered in Stonington, Connecticut. The team specializes in Call Center Services and Back Office Outsourcing.
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  • 1559
    (0 Reviews)

    Not yet reviewed.

    $10,000+
    10 - 49 employees
    Medellín, Colombia
    Small PPC company and Sales Outsourcing company elev8.io, is headquartered in Medellín, Colombia. The team focuses on Pay Per Click and Sales Outsourcing.
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  • 1560
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    1,000 - 9,999 employees
    Tucson, AZ
    Intugo is a large Back Office Outsourcing company launched in 2005. Their services include Back Office Outsourcing and Customer Service Outsourcing.
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    Clients

    Wannamaker Law

    Industries

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