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

  • 6001
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Sao Paulo, Brazil
    Business Consulting company Maromatel - Vivo Empresas is located in Sao Paulo, Brazil. They offer Business Consulting and Call Center Services and were established in 2002.
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  • 6002
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Chicago, IL
    Azimuth, LLC is a call center company. The team is headquartered in Chicago, Illinois, and their services include Call Center Services and Accounting.
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  • 6003
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Gilbert, AZ
    Platinum IP, LLC, a small call center, is in Gilbert, Arizona. The team focuses on Call Center Services and Custom Software Development.
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  • 6004
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Springfield, MO
    Gold Mountain Communications is a Springfield, Missouri-based PR firm. They specialize in Public Relations and Market Research.
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  • 6005
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Chicago, IL
    TelePro Group, a small telephone answering service, is in Chicago, Illinois. The team offers Call Center Services and Sales Outsourcing.
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  • 6006
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Quito, Ecuador
    BPO Negocios is a telephone answering service. Located in Quito, Ecuador, the company was founded in 2012. Their services include Call Center Services and CRM consulting and SI.
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  • 6007
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Guayaquil, Ecuador
    PCC & BPO is a small Guayaquil, Ecuador-based call center service. The team provides Call Center Services and Back Office Outsourcing.
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  • 6008
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Paris, France
    Wecall is a call center service founded in 2013. The small team offers Call Center Services and Customer Service Outsourcing.
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  • 6009
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Back Office Outsourcing company The Service Center was launched in 2018. The small team offers Back Office Outsourcing and Call Center Services.
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  • 6010
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Ditzingen, Germany
    Just call GmbH is a call center service launched in 2007. The team provides Call Center Services and Web Design.
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  • 6011
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Tübingen, Germany
    EDVLAB Communications, a telephone answering service, provides Call Center Services and Translation. The firm is headquartered in Tübingen, Germany.
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  • 6012
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Houston, TX
    Based in Houston, Texas and Norman, Oklahoma, The Heller Group, Inc. Is a small IT managed services company. The team provides IT managed services and Call Center Services.
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  • 6013
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Athina, Greece
    Launched in 2009, Plegma Net is a small telephone answering service. Their services include Call Center Services and Back Office Outsourcing.
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  • 6014
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Wallisellen, Switzerland
    GIRGIN Switzerland AG, a Customer Service Outsourcing company, was launched in 2004. The agency focuses on Customer Service Outsourcing and Sales Outsourcing.
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  • 6015
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Escazu, Costa Rica
    The Goto Marketers is a phone answering service. Their small team of employees is in Escazu, Costa Rica. Their team focuses on Call Center Services and Social Media Marketing.
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  • 6016
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Córdoba, Argentina
    Aloo is a small Córdoba, Argentina-based Market Research company. Their services include Market Research and Social Media Marketing.
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  • 6017
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Frankfurt am Main, Germany
    Quotapoint GmbH Frankfurt is a Market Research company. The agency is based in Frankfurt am Main, Germany and Köln, Germany. Their team offers Market Research and Call Center Services.
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  • 6018
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Hyderabad, India
    Founded in 2013, Leonas IT Solutions Pvt Ltd is a small Customer Service Outsourcing company based in Hyderabad, India. Their team provides Customer Service Outsourcing and Sales Outsourcing.
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  • 6019
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Wilmington, DE
    CRM consulting and SI company CRM Toolbox was launched in 2014. The agency focuses on CRM consulting and SI and Sales Outsourcing.
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    Industries

  • 6020
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    El Mouradia, Algeria
    KYO Conseil is a social media marketing company. Located in El Mouradia, Algeria, their small team focuses on Social Media Marketing and Pay Per Click. The agency was launched in 2011.
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  • 6021
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Caracas, Venezuela
    Founded in 2012, Inversiones DRC is an answering service. The small team provides Call Center Services and Business Consulting.
    Read More
  • 6022
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Buenos Aires, Argentina
    Headquartered in Buenos Aires, Argentina, DyKtel is a small Market Research company. Their services include Market Research and Media Planning & Buying.
    Read More
  • 6023
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    BMI, Argentina
    Founded in 2003, Call Services SRL, a small call center company, is in BMI, Argentina. Their team provides Call Center Services and Business Consulting.
    Read More
  • 6024
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Kansas City, MO
    Saile Inc is a Sales Outsourcing company. Launched in 1999, the team provides Sales Outsourcing and Artificial Intelligence.
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    Industries

  • 6025
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Ciudad de México, Mexico
    Touchpoint Marketing is a Sales Outsourcing company founded in 2016. Headquartered in Ciudad de México, Mexico, the team specializes in Sales Outsourcing and SMS Marketing.
    Read More
  • 6026
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Montevideo, Uruguay
    Answering service company Expand Omnichannel Customer Journey Software specializes in Call Center Services and SMS Marketing. They are located in Montevideo, Uruguay.
    Read More
  • 6027
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    CH Consulting Group is a call center. Founded in 2011, the team provides Call Center Services and IT strategy consulting. The agency is based in International Falls, Minnesota.
    Read More
  • 6028
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Bricket Wood, England
    GSA Business Development Ltd is a Marketing Strategy company. Launched in 2000, the company is based in Bricket Wood, England. Their team focuses on Marketing Strategy and Business Consulting.
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  • 6029
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Jackson, MS
    Adfy AI is an AI company established in 2020. The small team provides Artificial Intelligence and Call Center Services.
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  • 6030
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Ostrava, Czech Republic
    EFSETE Pharma is a Marketing Strategy company launched in 2016. Their services include Marketing Strategy and Business Consulting.
    Read More
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