Top 100 Third Party Verification Companies

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Top 100 Third Party Verification Companies

The Best of February 2026

Looking for a top third party verification service?

This guide contains companies from all over the globe that excel in third-party verification. Their services vary from non-voice BPO/back-office services to voice services to transcription and they provide a multitude of other services your company may need. 

Jump to Most Reviewed Companies

List of the Best Third Party Verification Agencies

  • 601
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    10 - 49 employees
    Modesto, CA
    Doctor Billing Experts, a Customer Service Outsourcing company, was established in 2023. Headquartered in Modesto, California, the team provides Customer Service Outsourcing and Call Center Services.
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  • 602
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    50 - 249 employees
    Pompano Beach, FL
    Sage Outsource Solutions is a Customer Service Outsourcing company. Headquartered in Pompano Beach, Florida, the agency offers Customer Service Outsourcing and Call Center Services.
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    Industries

  • 603
    (0 Reviews)

    Not yet reviewed.

    $10,000+
    50 - 249 employees
    Ikeja, Nigeria
    Intelics Solutions Nigeria Limited, a Document Digitization & Management company, is in Ikeja, Nigeria. Their services include Document Digitization & Management and Call Center Services.
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    Industries

  • 604
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    50 - 249 employees
    Antasis is an IT strategy consulting company. The Singapore, Singapore-based company offers IT strategy consulting and Call Center Services.
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    Industries

  • 605
    (0 Reviews)

    Not yet reviewed.

    $250,000+
    50 - 249 employees
    Guadalajara, Mexico
    People and Telecommunication Services is a Business Consulting company in Guadalajara, Mexico. The team focuses on Business Consulting and Call Center Services.
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    Industries

  • 606
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Jakarta, Indonesia
    Small call center company PT Outsource Indonesia, is located in Jakarta, Indonesia. The team specializes in Call Center Services and Accounting.
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  • 607
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Bogotá, Colombia
    Datascoring De Colombia, an answering service, is based in Bogotá, Colombia. Established in 1996, the team specializes in Call Center Services.
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  • 608
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    250 - 999 employees
    Chicago, IL
    Cloud5 Communications is an IT managed services company established in 2006. Their team provides IT managed services and Call Center Services.
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  • 609
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    10 - 49 employees
    Toronto, Canada
    Call Centre Systems Inc. Is a Commercial Brokerage Services company. Founded in 1989, the company is in Toronto, Canada. Their services include Commercial Brokerage Services and Call Center Services.
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    Industries

  • 610
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    10 - 49 employees
    Nairobi, Kenya
    Cybersecurity company Dynamic Systems was launched in 2011. The team offers Cybersecurity and Call Center Services and is based in Nairobi, Kenya.
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    Industries

  • 611
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    10 - 49 employees
    Call center company Fncee Consult offers Call Center Services and Customer Service Outsourcing. They were launched in 2017.
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  • 612
    (0 Reviews)

    Not yet reviewed.

    $10,000+
    10 - 49 employees
    Established in 2025, Nexvora Outsourcing is a small Data Annotation Services company. Their team focuses on Data Annotation Services and Artificial Intelligence.
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    Industries

  • 613
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    10 - 49 employees
    9VerbS is an Email Marketing company. In Cebu City, Philippines, the team focuses on Email Marketing and Call Center Services.
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  • 614
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    50 - 249 employees
    Palatine, IL
    Call center Windy City Call Center is located in Palatine, Illinois. Established in 2009, the team focuses on Call Center Services and Sales Outsourcing.
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  • 615
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Caracas, Venezuela
    Phone answering service Directa Group is based in Caracas, Venezuela. They focus on Call Center Services and Sales Outsourcing.
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  • 616
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    50 - 249 employees
    Based in Ghaziabad, India, Dbailtros Headset Communication PVT LTD is a midsize call center company. The team focuses on Call Center Services and Back Office Outsourcing.
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    Industries

  • 617
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    2 - 9 employees
    Sqoop+ Infotech is a Customer Service Outsourcing company founded in 2019. The small team focuses on Customer Service Outsourcing and Call Center Services.
    Read More

    Industries

  • 618
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    2 - 9 employees
    Callvix Solutions is a telephone answering service and Customer Service Outsourcing company. They specialize in Call Center Services and Customer Service Outsourcing and are located in Cairo, Egypt.
    Read More
  • 619
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    10 - 49 employees
    Business Consulting company Ramesh chaurasia was launched in 2018. The team specializes in Business Consulting and Back Office Outsourcing.
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  • 620
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    2 - 9 employees
    Oberursel (Taunus), Germany
    EnVoice is a phone answering service launched in 2004. Their services include Call Center Services and Sales Outsourcing.
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  • 621
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    2 - 9 employees
    Тоshkent, Uzbekistan
    Located in Casper, Wyoming and Тоshkent, Uzbekistan, Oncruit is a social media marketing firm. They specialize in Social Media Marketing and Marketing Strategy and were launched in 2023.
    Read More
  • 622
    (1 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $5,000+
    10 - 49 employees
    Call center service Call Center Solutions Africa(CCSA) is in Nairobi, Kenya. The small company was launched in 2022. Their team provides Call Center Services, Sales Outsourcing, Customer Service Outsourcing, Back Office Outsourcing, and more.
    Read More

    Industries

  • 623
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Barranquilla, Colombia
    Linked2U is a call center. They were launched in 2023, and their services include Call Center Services and Back Office Outsourcing.
    Read More
  • 624
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    10 - 49 employees
    Undisclosed
    Established in 2019, Prossistant is a small Back Office Outsourcing company. Their team focuses on Back Office Outsourcing and Call Center Services.
    Read More
  • 625
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    10 - 49 employees
    Toronto, Canada
    In Toronto, Canada, Qallus JSR Inc. Is a phone answering service. Their services include Call Center Services and Back Office Outsourcing.
    Read More

    Industries

  • 626
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    K-techsolutions LLP is an Email Marketing company. Their team is based in Chikodi, India and provides Email Marketing and Call Center Services.
    Read More
  • 627
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    10 - 49 employees
    Quezon City, Philippines
    41 Globl, a phone answering service, is in Quezon City, Philippines. They specialize in Call Center Services and Customer Service Outsourcing and were founded in 2023.
    Read More
  • 628
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    10 - 49 employees
    VirtuTask, a phone answering service, was founded in 2023. Based in Malolos, Philippines, the team specializes in Call Center Services and Back Office Outsourcing.
    Read More
  • 629
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    10 - 49 employees
    Avvant Business Process Outsourcing is a call center company. The firm is located in Makati City, Philippines. Their services include Call Center Services and Back Office Outsourcing.
    Read More
  • 630
    (0 Reviews)

    Not yet reviewed.

    $10,000+
    10 - 49 employees
    Kyndletech Solutions is a CRM consulting and SI company headquartered in Cape Town, South Africa. Their services include CRM consulting and SI and Call Center Services.
    Read More
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