Top 100 Call Center Services

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Top 100 Call Center Services

The Best of April 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

  • 7501
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    250 - 999 employees
    Madison, WI
    CORE Company Ltd. Is a midsize Direct Marketing company based in Madison, Wisconsin. Their services include Direct Marketing and Market Research.
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  • 7502
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    250 - 999 employees
    Helsinki, Finland
    VPS GROUP is an answering service company. Their midsize team of employees is headquartered in Helsinki, Finland. Their team provides Call Center Services and Warehousing & Distribution.
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  • 7503
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    250 - 999 employees
    Denver, CO
    IntelliSource is a midsize IT staff augmentation company located in Denver, Colorado and Reno, Nevada. The team offers IT staff augmentation and Call Center Services.
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  • 7504
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    250 - 999 employees
    Waterford, Ireland
    RelateCare, a Business Consulting company, was founded in 2013. The firm provides Business Consulting and Call Center Services, and is midsize.
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    Industries

  • 7505
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    250 - 999 employees
    Dubai, United Arab Emirates
    MOATIV EMPLOYMENT SERVICES is a Dubai, United Arab Emirates-based answering service. The team specializes in Call Center Services and Accounting.
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    Industries

  • 7506
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    250 - 999 employees
    Houston, TX
    EN Technologies is a social media marketing company. Established in 2021, the team offers Social Media Marketing and Search Engine Optimization.
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  • 7507
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    250 - 999 employees
    San Francisco, CA
    Demandbase, a branding firm, is headquartered in San Francisco, California and St Albans, England. They focus on Branding and Marketing Strategy.
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    Industries

  • 7508
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    250 - 999 employees
    London, England
    Cognism is a Compliance Consulting company established in 2024. The team provides Compliance Consulting and Artificial Intelligence.
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  • 7509
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    250 - 999 employees
    San Mateo, CA
    BrightEdge is a SEO company. Launched in 2007, the firm is in San Mateo, California. Their team provides Search Engine Optimization and Content Marketing.
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  • 7510
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    250 - 999 employees
    Dubai, United Arab Emirates
    Midsize Content Marketing company Baden BPO & Software LLC, is located in Dubai, United Arab Emirates. The team provides Content Marketing and Web Design.
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  • 7511
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    250 - 999 employees
    Melbourne, Australia
    Translationz is a Translation company. Based in Melbourne, Australia, the firm was launched in 2004. Their team focuses on Translation and Language Interpretation.
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  • 7512
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    2 - 9 employees
    Chennai, India
    Talent Paark Global Solutions Pvt. Ltd., a small Back Office Outsourcing company, is based in Chennai, India. Their services include Back Office Outsourcing and Call Center Services.
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  • 7513
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Pelham, AL
    Premier Answering Service of Alabama is a small Customer Service Outsourcing company. Launched in 2008, the team offers Customer Service Outsourcing and Call Center Services.
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  • 7514
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    50 - 249 employees
    San Diego, CA
    ChatOutsource, a midsize Customer Service Outsourcing company, is in San Diego, California. The team offers Customer Service Outsourcing and Sales Outsourcing.
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    Industries

  • 7515
    (0 Reviews)

    Not yet reviewed.

    $10,000+
    1,000 - 9,999 employees
    New York, NY
    Momentum Worldwide is a branding agency established in 1987. The agency focuses on Branding and Digital Strategy, and is large.
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    Industries

  • 7516
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    1,000 - 9,999 employees
    New York, NY
    TransPerfect is a Translation company. Their large team of employees is in New York, New York and Vancouver, Canada. Their team offers Translation and Call Center Services.
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    Industries

  • 7517
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    50 - 249 employees
    Taunton, MA
    HW Staffing Solutions is a HR Consulting company. Their team is in Taunton, Massachusetts and Brockton, Massachusetts. The agency focuses on HR Consulting and Call Center Services.
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  • 7518
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    50 - 249 employees
    Tallinn, Estonia
    Katrium is a Back Office Outsourcing company. They provide Back Office Outsourcing and Sales Outsourcing and were launched in 2007. The firm is headquartered in Tallinn, Estonia.
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  • 7519
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    1,000 - 9,999 employees
    Parañaque, Philippines
    Royal Global Services, Inc is a large Back Office Outsourcing company. They specialize in Back Office Outsourcing and Transcription and were founded in 1978.
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  • 7520
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    50 - 249 employees
    Petaling Jaya, Malaysia
    CALLMARK Solutions Sdn Bhd is an answering service company. The Petaling Jaya, Malaysia-based team specializes in Call Center Services and Back Office Outsourcing.
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  • 7521
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    50 - 249 employees
    Bogotá, Colombia
    Indexcol, a branding agency, is located in Bogotá, Colombia. Launched in 1995, the team provides Branding and Call Center Services.
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  • 7522
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    1,000 - 9,999 employees
    Ha Noi, Vietnam
    MP Telecom, a Customer Service Outsourcing company, was established in 2002. The large team offers Customer Service Outsourcing and Recruiting.
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  • 7523
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    1,000 - 9,999 employees
    Ha Noi, Vietnam
    NMS Callcenter is a Back Office Outsourcing company. Headquartered in Ha Noi, Vietnam, the agency provides Back Office Outsourcing and IT managed services.
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  • 7524
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Caracas, Venezuela
    Web development company WTFE - World Tel-Fax Electronics, C.A. Focuses on Web Development and Call Center Services. They were established in 1992.
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  • 7525
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Rio de Janeiro, Brazil
    Geosoft is a custom software development company. They are located in Rio de Janeiro, Brazil and have midsize team. They focus on Custom Software Development and BI & big data consulting & SI.
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  • 7526
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Torrance, CA
    Walker Advertising is a media planning & buying agency. The midsize Torrance, California-based team focuses on Media Planning & Buying and Call Center Services. The firm was established in 1984.
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  • 7527
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Dhaka, Bangladesh
    HRC Technologies Limited (IGW) is an IT managed services company headquartered in Dhaka, Bangladesh. Their services include IT managed services and Call Center Services.
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  • 7528
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Dhaka, Bangladesh
    Mos5 Tel, a telephone answering service, is headquartered in Dhaka, Bangladesh. They focus on Call Center Services and IT managed services.
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  • 7529
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Beaverton, OR
    PTIGlobal is a Translation company. They are based in Beaverton, Oregon, and their services include Translation and Call Center Services.
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  • 7530
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Oak Brook, IL
    US Direct Marketing Corporation is a midsize Direct Marketing company headquartered in Oak Brook, Illinois. The team provides Direct Marketing and Call Center Services.
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