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

  • 6421
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Telephone Care Company is a midsize Saudi Arabia-based custom software development company. Their services include Custom Software Development and Call Center Services.
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  • 6422
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Dhaka, Bangladesh
    Virgo Contact Center Services Ltd is a Dhaka, Bangladesh-based social media marketing agency. Launched in 2009, the team focuses on Social Media Marketing and Email Marketing.
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  • 6423
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Moncton, Canada
    Founded in 1995, Fenety Marketing is a phone answering service. Their services include Call Center Services and Event Marketing.
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  • 6424
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Moncton, Canada
    MaxSys Staffing & Consulting, an Accounting company, was established in 1993. They offers Accounting and Call Center Services.
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  • 6425
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Dhaka, Bangladesh
    Zenov BPO is a midsize Accounting company based in Dhaka, Bangladesh and Coral Springs, Florida. Their services include Accounting and Call Center Services.
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  • 6426
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Calabasas, CA
    Davis Research is a midsize Calabasas, California-based Market Research company. Their services include Market Research and Call Center Services.
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  • 6427
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Los Angeles, CA
    California Survey Research Services is a Market Research company. Their team is in Los Angeles, California and offers Market Research and Call Center Services.
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  • 6428
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    West Des Moines, IA
    CpITelecom is a Customer Service Outsourcing company. They were founded in 1997, and their services include Customer Service Outsourcing and Call Center Services.
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  • 6429
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Southington, CT
    Headquartered in Southington, Connecticut, 3PL World Wide is a midsize Logistics & Supply Chain Consulting company. The team offers Logistics & Supply Chain Consulting and Call Center Services.
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  • 6430
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Missoula, MT
    First Call Computer Solutions is a midsize Missoula, Montana-based call center. Their services include Call Center Services and cloud consulting & SI.
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  • 6431
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Hilliard, OH
    ContactUS Communications is an artificial intelligence company. Their midsize team is based in Hilliard, Ohio. Their services include Artificial Intelligence and Call Center Services.
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  • 6432
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Conyers, GA
    Call center company DG Solutions, Inc. Provides Call Center Services and Fulfillment. They were established in 1980.
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  • 6433
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Greensboro, NC
    RSVP Communications, Inc is a Greensboro, North Carolina-based Email Marketing company. Launched in 1985, the team specializes in Email Marketing and Fulfillment.
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  • 6434
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Bogotá, Colombia
    TXT Agencia Transmedia is a branding agency. They are located in Bogotá, Colombia, and their services include Branding and Sales Outsourcing.
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  • 6435
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Amsterdam, Netherlands
    ProSpex is a Content Marketing company. Launched in 2007, the team focuses on Content Marketing and Digital Strategy.
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  • 6436
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Transcend - Palestine, a custom software development company, was established in 2011. The midsize team specializes in Custom Software Development and Customer Service Outsourcing.
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  • 6437
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    ABO, Argentina
    Clienting Group is a call center. They specialize in Call Center Services and Digital Strategy and are based in ABO, Argentina.
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  • 6438
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Bremen, Germany
    Intan international, a branding agency, was launched in 1981. The midsize team offers Branding and E-Commerce Development.
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  • 6439
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Vienna, VA
    Based in Vienna, Virginia, Government Tactical Solutions LLC is a midsize software development firm. Their services include Custom Software Development and Call Center Services.
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  • 6440
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    San Salvador, El Salvador
    Centercom Global BPO, a graphic design company, was established in 2017. The team specializes in Graphic Design and Web Development.
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  • 6441
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Guayaquil, Ecuador
    BPO Andina is a social media marketing company. They are in Guayaquil, Ecuador and have midsize team. Their team specializes in Social Media Marketing and Web Design.
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  • 6442
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Shanghai, China
    Shanghai Nanfang Xundian Communication Technology Co., Ltd., a Customer Service Outsourcing company, provide Customer Service Outsourcing and Back Office Outsourcing. They were established in 2002.
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  • 6443
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Shanghai, China
    Launched in 2012, CGP Shanghai is a midsize IT staff augmentation company. Their team specializes in IT staff augmentation and other IT consulting and SI.
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    Industries

  • 6444
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    1,000 - 9,999 employees
    Bogotá, Colombia
    Grupo CMC is a business intelligence company. Headquartered in Bogotá, Colombia, the firm was launched in 1993. Their team focuses on BI & big data consulting & SI and Cybersecurity.
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  • 6445
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Tampa, FL
    Salem Solutions, a Staffing company, was established in 2009. The team offers Staffing and Recruiting and is located in Tampa, Florida.
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  • 6446
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Milano, Italy
    Founded in 1982, Tiempo Nord is a midsize Business Consulting company. Their services include Business Consulting and Back Office Outsourcing.
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  • 6447
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Leça da Palmeira, Portugal
    In Leça da Palmeira, Portugal and Lisboa, Portugal, TBFILES is an AI firm. They offer Artificial Intelligence and Document Digitization & Management.
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  • 6448
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Lisboa, Portugal
    Kelly - Portugal is a HR Consulting company in Lisboa, Portugal. Established in 1946, the team provides HR Consulting and Call Center Services.
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  • 6449
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    South Portland, ME
    Midsize Fulfillment company ShipRight, is headquartered in South Portland, Maine. The team specializes in Fulfillment and Call Center Services.
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  • 6450
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Athina, Greece
    Intelli Solutions S.A. Is a custom software development company. The team provides Custom Software Development and Business Consulting, and the company is based in Athina, Greece and Nicosia, Cyprus.
    Read More
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