Top 100 Call Center Services

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Top 100 Call Center Services

The Best of August 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

  • 7981
    (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.
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  • 7982
    (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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  • 7983
    (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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  • 7984
    (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.
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  • 7985
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    2 - 9 employees
    Budapest, Hungary
    EuPHONE LINE Kft., a call center, was launched in 2007. The agency focuses on Call Center Services and Accounting, and is small.
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  • 7986
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    2 - 9 employees
    Budapest, Hungary
    Answering service Quality Call Kft is based in Budapest, Hungary. They specialize in Call Center Services and Back Office Outsourcing and were launched in 2007.
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  • 7987
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    Freelancer employees
    Cypress, TX
    Established in 2005, One Stop Resources - The Virtual Assistant Business is a Back Office Outsourcing company. The team focuses on Back Office Outsourcing and Call Center Services.
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  • 7988
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    Freelancer employees
    Burnaby, Canada
    Founded in 2021, Gaginang Consulting is a Business Consulting company. The small team provides Business Consulting and Content Marketing.
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    Industries

  • 7989
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    Freelancer employees
    Modulariti Studios, a web development company, was founded in 2021. They offers Web Development and Search Engine Optimization.
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  • 7990
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    Freelancer employees
    Bridget Garner (BG Marketing) is a small Advertising company located in. Their services include Advertising and Digital Strategy.
    Read More
  • 7991
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    Freelancer employees
    New York, NY
    AI company Vonwerk is located in New York, New York. They offer Artificial Intelligence and AI Consulting and were launched in 2021.
    Read More
  • 7992
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    Freelancer employees
    Adaptive Tiers is a small branding company in Charlotte, North Carolina. The team provides Branding and Marketing Strategy.
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  • 7993
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    Freelancer employees
    Founded in 2024, Digital Rise Hub is a social media marketing company. The small team specializes in Social Media Marketing and Search Engine Optimization.
    Read More
  • 7994
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    Freelancer employees
    Axom Innovation is an artificial intelligence firm. In Guwahati, India, the team provides Artificial Intelligence and AI Consulting.
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  • 7995
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    Freelancer employees
    Shuva658 is a small Chittagong, Bangladesh-based Business Consulting company. Their services include Business Consulting and Account-Based Marketing.
    Read More
  • 7996
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    Freelancer employees
    Boca Raton, FL
    Based in Boca Raton, Florida, Expansion Agents is a Customer Service Outsourcing company. They specialize in Customer Service Outsourcing and CRM consulting and SI and were established in 2026.
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  • 7997
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    Freelancer employees
    Cape Town, South Africa
    Syniq Solutions is a small Cape Town, South Africa-based software development company. The team provides Custom Software Development and Web Development.
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    Industries

  • 7998
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    Freelancer employees
    Agentic Demand is an Account-Based Marketing company. The Reading, Massachusetts-based team provides Account-Based Marketing and Demand Generation Marketing.
    Read More
  • 7999
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    Freelancer employees
    Lexington Park, MD
    SOMD Operations, LLC is a small AI Agents company. Established in 2026, the team specializes in AI Agents and CRM consulting and SI.
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  • 8000
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    Freelancer employees
    Bhavnagar, India
    Fortify chargebacks is a Banking Law company. The team provides Banking Law and Finance Law and is located in Bhavnagar, India.
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  • 8001
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    Freelancer employees
    Ghaziabad, India
    Advertising company Veltvox was established in 2026. Based in Ghaziabad, India, the team offers Advertising and Social Media Marketing.
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  • 8002
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    Freelancer employees
    Chidambaram, India
    B2B appointment setting, an Email Marketing company, was launched in 2022. The small team provides Email Marketing and Pay Per Click.
    Read More
  • 8003
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    San Pedro Tlaquepaque, Mexico
    Beliveo is a small San Pedro Tlaquepaque, Mexico-based Back Office Outsourcing company. The team focuses on Back Office Outsourcing and Call Center Services.
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  • 8004
    (1 Reviews) 0.5

    Timeliness

    3.5

    Service Excellence

    1.0

    Value

    0.5

    Would Recommend

    0.5
    Undisclosed
    50 - 249 employees
    Waltham, MA

    Aberdeen is a behavioral-based marketing and sales solutions provider based in Waltham, Mass. The company, founded in 1988, has more than 50 employees and provides market research, content marketing, voice services, and non-voice BPO/back office services to various companies.

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    Clients

    Commvault
  • 8005
    (1 Reviews) 4.5

    Timeliness

    4.0

    Service Excellence

    4.5

    Value

    4.0

    Would Recommend

    4.5
    $5,000+
    250 - 999 employees
    Shibuya City, Japan
    Verticurl is an advertising company launched in 2006. They are in Shibuya-ku, Tokyo, Japan and have a midsize team. Their services include advertising, BI & big data consulting & SI, voice services, marketing strategy, and more.
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  • 8006
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    250 - 999 employees
    Santiago, Chile
    Launched in 1990, Adexus is an IT strategy consulting company. The team offers IT strategy consulting and Mobile App Development.
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    Industries

  • 8007
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    250 - 999 employees
    Toronto, Canada
    Task Network, a midsize Back Office Outsourcing company, is located in Toronto, Canada. Their services include Back Office Outsourcing and Accounting.
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    Industries

  • 8008
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    250 - 999 employees
    Houston, TX
    Based in Houston, Texas and Louisville, Kentucky, GSM is a midsize Direct Marketing company. Their services include Direct Marketing and Social Media Marketing.
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    Clients

    Toyota
  • 8009
    (0 Reviews)

    Not yet reviewed.

    $10,000+
    250 - 999 employees
    London, England
    Located in London, England, Lansons Communications is a midsize public relations company. Their services include Public Relations and Broadcast Video.
    Read More
  • 8010
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    250 - 999 employees
    Columbus, OH
    SBC Advertising is an Advertising company. They specialize in Advertising and Branding and were launched in 1969.
    Read More
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