Top 100 Third Party Verification Companies

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Top 100 Third Party Verification Companies

The Best of January 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

  • 211
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    250 - 999 employees
    Established in 2022, ManilaPros is a Business Consulting company. The midsize team focuses on Business Consulting and Search Engine Optimization.
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    Industries

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  • 212
    (7 Reviews) 4.4

    Timeliness

    4.1

    Service Excellence

    4.4

    Value

    4.4

    Would Recommend

    4.4
    $1,000+
    50 - 249 employees
    Hiram, GA

    DataPlus is a development and data entry agency in Hiram, Ga. Founded in 1992, they have at least 50 employees that serve clients in the healthcare, financial services, and business services sectors. DataPlus provides voice services and non-voice BPO/ back office services. 

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    Industries

  • 213
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    250 - 999 employees
    Dar es Salaam, Tanzania
    Established in 2015, Utel Global Company Limited is a call center company. The team provides Call Center Services and Customer Service Outsourcing and is based in Dar es Salaam, Tanzania.
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    Industries

  • 214
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    1,000 - 9,999 employees
    Huntington Beach, CA
    Kaizen BPO LLC is a Customer Service Outsourcing company founded in 2018. The large team specializes in Customer Service Outsourcing and Call Center Services.
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  • 215
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    250 - 999 employees
    Gresham, OR
    AnswerNet is a call center. Headquartered in Gresham, Oregon, the agency provides Call Center Services and Back Office Outsourcing.
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  • 216
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    1,000 - 9,999 employees
    New York, NY
    Launched in 2007, SunKnowledge Inc. Is a Back Office Outsourcing company. The firm offers Back Office Outsourcing and Call Center Services.
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    Industries

  • 217
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    50 - 249 employees
    Vaughan, Canada
    3C Contact Services , a midsize phone answering service, is based in Vaughan, Canada. Their services include Call Center Services and Customer Service Outsourcing.
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    Industries

  • 218
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    250 - 999 employees
    Makati, Philippines
    Omada One is a phone answering service in Makati, Philippines and Mabalacat, Philippines. The team offers Call Center Services and Back Office Outsourcing.
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    Industries

  • 219
    (0 Reviews)

    Not yet reviewed.

    $100,000+
    50 - 249 employees
    Nellore, India
    Kishore tech solutions is a Nellore, India-based call center service. Established in 2023, the team specializes in Call Center Services and Other Digital Marketing.
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  • 220
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Mississauga, Canada
    NCRi is an answering service company established in 2008. The firm focuses on Call Center Services and Back Office Outsourcing.
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    Industries

  • 221
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    10,000+ employees
    Thane, India
    EOSGlobe, a call center company, was established in 2003. Based in Thane, India and Lewes, Delaware, the team focuses on Call Center Services and Business Consulting.
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    Industries

  • 222
    (0 Reviews)

    Not yet reviewed.

    $250,000+
    50 - 249 employees
    Brentwood, TN
    Svast Healthcare Technologies is a midsize phone answering service established in 2020. Their team offers Call Center Services.
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    Industries

  • 223
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10,000+ employees
    Zagreb, Croatia
    Founded in 2007, Mplus is a call center company. Their team provides Call Center Services and Artificial Intelligence.
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    Industries

  • 224
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    250 - 999 employees
    Georgetown, Guyana
    Express International Inc. Is a call center service. They focus on Call Center Services and Recruiting and are headquartered in Georgetown, Guyana and Anna Regina, Guyana.
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    Industries

  • 225
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    250 - 999 employees
    Wrocław, Poland
    Located in Wrocław, Poland, OpsTalent is a midsize telephone answering service. Their services include Call Center Services and Customer Service Outsourcing.
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  • 226
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    1,000 - 9,999 employees
    Farmers Branch, TX
    Answering service Telvista was launched in 1997. The company specializes in Call Center Services and Sales Outsourcing, and is large.
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    Industries

  • 227
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    250 - 999 employees
    Pune, India
    The-Connections is a call center. Launched in 2011, the agency is based in Pune, India and Pune, India. Their services include Call Center Services and Customer Service Outsourcing.
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    Industries

  • 228
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    250 - 999 employees
    sao paulo, Brazil
    Founded in 2011, Altio BPO and Technology is a software development firm and call center service. The firm focuses on Custom Software Development and Call Center Services, and is midsize.
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  • 229
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    2 - 9 employees
    Toledo, OH
    Comprehensive Data Services, Inc is an IT managed services company. Established in 1986, the agency specializes in IT managed services and cloud consulting & SI.
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    Industries

  • 230
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    50 - 249 employees
    Colombo, Sri Lanka
    Providence is an answering service company. Headquartered in Colombo, Sri Lanka, the team specializes in Call Center Services and Customer Service Outsourcing.
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    Industries

  • 231
    (0 Reviews)

    Not yet reviewed.

    $10,000+
    50 - 249 employees
    Cabuyao, Philippines
    Staff Callture Incorporated is a phone answering service founded in 2013. Their services include Call Center Services and Back Office Outsourcing.
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  • 232
    (0 Reviews)

    Not yet reviewed.

    $10,000+
    50 - 249 employees
    Jaipur, India
    Sarv Webs Pvt. Ltd. Is a Jaipur, India-based call center service. They provide Call Center Services and Sales Outsourcing and were founded in 2011.
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    Industries

  • 233
    (0 Reviews)

    Not yet reviewed.

    $10,000+
    50 - 249 employees
    Dover, DE
    Creatics Solutions is an answering service located in Dover, Delaware. They offer Call Center Services and were established in 2019.
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  • 234
    (0 Reviews)

    Not yet reviewed.

    $75,000+
    50 - 249 employees
    Headquartered in Winona, Mississippi, True Voice is a call center. They specialize in Call Center Services and Advertising.
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  • 235
    (0 Reviews)

    Not yet reviewed.

    $10,000+
    50 - 249 employees
    Founded in 2021, H2G Healthcare Solutions is a midsize call center service and Back Office Outsourcing company. Their team specializes in Call Center Services and Back Office Outsourcing.
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  • 236
    (0 Reviews)

    Not yet reviewed.

    $10,000+
    1,000 - 9,999 employees
    Kinshasa, Congo (the Democratic Republic of the)
    Answering service company Certus Technologies Ltd is in Kinshasa, Congo (the Democratic Republic of the) and Kampala, Uganda. They offer Call Center Services and Back Office Outsourcing.
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  • 237
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    1,000 - 9,999 employees
    Iloilo City, Philippines
    Trualliant Business Process Outsourcing Inc. Is a call center company in Iloilo City, Philippines. Their services include Call Center Services and Back Office Outsourcing.
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  • 238
    (1 Reviews) 4.5

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $5,000+
    250 - 999 employees
    Durrës, Albania
    Climbia BPO is a based in Durrës, Albania. The midsize agency was founded in 2022. Their services include.
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    Industries

  • 239
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Wheelers Hill, Australia
    Alltel Australia is a Customer Service Outsourcing company. They specialize in Customer Service Outsourcing and Call Center Services and are headquartered in Wheelers Hill, Australia.
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    Industries

  • 240
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Galway, Ireland
    Call Pal Call Answering Service is a call center and Customer Service Outsourcing company. Established in 2017, their team provides Call Center Services and Customer Service Outsourcing.
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    Industries

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