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

  • 5581
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    250 - 999 employees
    Mobridge, SD
    Telephone answering service One World Direct was founded in 1994. The team specializes in Call Center Services and Back Office Outsourcing.
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  • 5582
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    250 - 999 employees
    Istanbul, Türkiye
    ETB Group is a Back Office Outsourcing company. Their team is based in Istanbul, Türkiye. The agency offers Back Office Outsourcing and Call Center Services.
    Read More
  • 5583
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    250 - 999 employees
    Lexington, MA
    Launched in 1996, iBasis is a midsize IoT development company. Their services include IoT development and Call Center Services.
    Read More
  • 5584
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    250 - 999 employees
    Los Angeles, CA
    CenterField is a phone answering service. Their midsize team is in Los Angeles, California. Their services include Call Center Services and E-Commerce Development.
    Read More
  • 5585
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    250 - 999 employees
    Su Qian Shi, China
    Jiangsu Surebon Service Outsourcing Group Co., Ltd. Is a midsize telephone answering service. Established in 2008, the team offers Call Center Services and Back Office Outsourcing.
    Read More
  • 5586
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    250 - 999 employees
    Shanghai, China
    Launched in 2015, HKT Teleservices (Shanghai) Co.Ltd. Is an answering service. The company offers Call Center Services and Branding, and is midsize.
    Read More

    Industries

  • 5587
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    250 - 999 employees
    Northbrook, IL
    Appletree Answers is a Back Office Outsourcing company. Founded in 1995, their team focuses on Back Office Outsourcing and Call Center Services.
    Read More
  • 5588
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    250 - 999 employees
    Tianjin, China
    Headquartered in Tianjin, China, Transcosmos Information Creative (China) Co., Ltd. Is a web design company. The team specializes in Web Design and IT strategy consulting.
    Read More

    Industries

  • 5589
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    250 - 999 employees
    Cleveland, OH
    Launched in 1993, Revenue Group is a Business Consulting company. The company provides Business Consulting and Call Center Services, and is midsize.
    Read More
  • 5590
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    250 - 999 employees
    Madrid, Spain
    Digiltea is a telephone answering service. Founded in 2020, the team offers Call Center Services and Back Office Outsourcing. The company is located in Madrid, Spain.
    Read More
  • 5591
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    250 - 999 employees
    Rotterdam, Netherlands
    GDCC (Global Data Collection Company), a midsize Market Research company, is based in Rotterdam, Netherlands and Cincinnati, Ohio. Their services include Market Research and Call Center Services.
    Read More
  • 5592
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    250 - 999 employees
    Laconia, NH
    Launched in 2017, Kanekt 365 is a Customer Service Outsourcing company. Their team provides Customer Service Outsourcing and Call Center Services.
    Read More
  • 5593
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    250 - 999 employees
    Beijing Jiuzhong Tianxia Technology Service Co., Ltd. Is a Customer Service Outsourcing company established in 2013. The company focuses on Customer Service Outsourcing and Call Center Services.
    Read More

    Clients

    58.com

    Industries

  • 5594
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    250 - 999 employees
    Hyderabad, India
    CorpOne BPO, a phone answering service, was established in 2005. Based in Hyderabad, India, the team provides Call Center Services and Back Office Outsourcing.
    Read More
  • 5595
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    250 - 999 employees
    Tirana, Albania
    Launched in 2009, We Are Fiber is a midsize telephone answering service. Their services include Call Center Services and Back Office Outsourcing.
    Read More
  • 5596
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    250 - 999 employees
    Almelo, Netherlands
    EuroDev is a Digital Strategy company. The Italy-based team focuses on Digital Strategy and Business Consulting.
    Read More

    Industries

  • 5597
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    250 - 999 employees
    Kouba, Algeria
    Servitec is a Kouba, Algeria-based Logistics & Supply Chain Consulting company. They offer Logistics & Supply Chain Consulting and Call Center Services.
    Read More
  • 5598
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    250 - 999 employees
    Lagos, Nigeria
    BQuins Solution Limited is a social media marketing agency founded in 2017. The team offers Social Media Marketing and Search Engine Optimization and is in Lagos, Nigeria.
    Read More
  • 5599
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    250 - 999 employees
    Istanbul, Türkiye
    Back-Up Dünyası, a Business Consulting company, was established in 2003. The team provides Business Consulting and Call Center Services.
    Read More

    Industries

  • 5600
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    250 - 999 employees
    SalesSense International, a midsize CRM consulting and SI company, is headquartered in Galway, Ireland. The team specializes in CRM consulting and SI and IT managed services.
    Read More
  • 5601
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    250 - 999 employees
    Cincinnati, OH
    Market Research company EagleONE was launched in 2014. The team specializes in Market Research and Social Media Marketing.
    Read More
  • 5602
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    250 - 999 employees
    Dallas, TX
    ThoughtFocus, a big data analytics company, was established in 2004. The firm provides BI & big data consulting & SI and Artificial Intelligence, and is midsize.
    Read More
  • 5603
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    Freelancer employees
    Noida, India
    Founded in 2022, Digital Boosts is a small Noida, India-based social media marketing agency. Their services include Social Media Marketing and Email Marketing.
    Read More
  • 5604
    (1 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    2 - 9 employees
    Brand Babylon is a branding firm. Their small team is based in Las Vegas, Nevada. The company offers branding, public relations, digital strategy, social media marketing, and more. The company was founded in 2020.
    Read More
  • 5605
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    2 - 9 employees
    Neptron.pl is an e-commerce development company. They are headquartered in Poland and have small team of experts. Their services include E-Commerce Development and Search Engine Optimization.
    Read More

    Industries

  • 5606
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    2 - 9 employees
    Ponte Vedra Beach, FL
    Founded in 2018, Jacksonville IT Solutions, Medical and Dental IT Services is an IT managed services company. The agency focuses on IT managed services and cloud consulting & SI.
    Read More
  • 5607
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    2 - 9 employees
    New York, NY
    Headquartered in New York, New York and Montevideo, Uruguay, Elvis Di Marcantonio is an Advertising company. They provide Advertising and Branding and were established in 2000.
    Read More

    Industries

  • 5608
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    2 - 9 employees
    Lawrenceville, GA
    Your IT Company is an IT strategy consulting company. The team specializes in IT strategy consulting and Cybersecurity, and the agency is in Lawrenceville, Georgia.
    Read More

    Industries

  • 5609
    (0 Reviews)

    Not yet reviewed.

    $10,000+
    2 - 9 employees
    Cairo, Egypt
    Maradona Films is a small video production company launched in 2016. Their team offers Video Production and Advertising.
    Read More
  • 5610
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    2 - 9 employees
    Sarasota, FL
    Headquartered in Sarasota, Florida, Eclipzdigital. Is a social media marketing firm. They specialize in Social Media Marketing and Video Production.
    Read More
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