Top Third Party Verification Companies in the United States
From Washington, DC’s regulatory hub to New York’s finance sector, Houston’s energy corridor, and the tech scenes in Austin and the Bay Area, the United States is a prime market for third party verification services. Whether you need TPV for telesales compliance, seller onboarding, or independent verification for audits and certifications, the right partner helps you reduce risk and maintain airtight records.
Clutch makes it easier to shortlist trusted providers: we verify client reviews, surface detailed service focus and case studies, and let you filter by budget, industry, location, certifications, and more. Compare teams with experience in the third party verification process, outsourcing models, and secure, at-scale solutions to find a fit that matches your compliance and CX goals. Start exploring:
• Top Third Party Verification Companies
• Third Party Verification Companies in New York City
• Third Party Verification Companies in San Francisco
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UndisclosedUndisclosed50 - 249Phoenix, AZ
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See all 9 projectsReceptionHQ is a company specializing in Contact Center Services, particularly inbound call handling and customer support services. The overall feedback from clients is overwhelmingly positive, with users highlighting their services as user-friendly and effective, saving significant time and costs. An impressive 100% of reviewers cite excellent customer service as a strength, though some suggest more personalized features could enhance their offerings.
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$1,000+Undisclosed10 - 49Irvine, CA
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See all 1 projectsHelpt provides Contact Center Services, specializing in Customer Support Services, including after-hours Phone Support and Call Handling. Clients appreciate their effective call screening, with 90% of non-emergency calls being managed efficiently. Reviews highlight their professionalism, timely response, and positive culture, with no noted areas for improvement, indicating a strong customer service ethos.
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$50,000+< $25 / hr50 - 249San Jose, CA
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See all 1 projectsSuccessLink Outsourcing is a company specializing in financial management and property management support services. The overall feedback from client reviews is overwhelmingly positive, with 100% of reviewers highlighting their exceptional organization, technical proficiency, and reliability. Clients particularly commend their impressive communication and execution skills.
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$1,000+< $25 / hr10 - 49Denver, CO
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See all 1 projectsVonBridge Solutions is a professional Customer Service Center specializing in Contact Center Services, offering virtual assistant support to streamline administrative and operational tasks. Reviews indicate 100% positive feedback, highlighting their reliability, initiative, and effective communication. They are praised for timely responses, improved appointment scheduling, and overall operational efficiency.
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$1,000+< $25 / hr50 - 249Sheridan, WY
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See all 2 projectsPrimary BPO is a company specializing in Contact Center Services and Customer Support Services, offering solutions such as inbound and outbound call handling, billing, and telephonic support. The majority of reviewers, approximately 80%, praise their efficient project management, timely delivery, and good value for cost. However, some suggest improvements in communication consistency with clients and medical experience of agents.
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UndisclosedUndisclosed10 - 49Erie, PA
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See all 1 projectsPCMSI is a company specializing in Contact Center Services, offering both Inbound and Outbound Call Center solutions. The reviews predominantly highlight their exceptional Customer Support Services, with 90% of feedback being positive. Many reviewers emphasize their efficient Call Handling and responsive Customer Care Services, underscoring their commitment to excellence in Telephonic Support.
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$10,000+Undisclosed250 - 999North Charleston, SC
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See all 2 projectsSales Focus Inc. specializes in improving customer retention and maximizing sales for diverse industries. Their services include client interaction in multiple languages and redirecting inquiries effectively, contributing to enhanced customer demographics and increased sales. Reviews consistently highlight their impressive communication skills and proactive approach, demonstrating effective service retention and sales growth, earning recognition for their go-getter attitude and skillful execution.
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Undisclosed< $25 / hr2 - 9Redding, CA
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See all 1 projectsVirtual Legacy Partner specializes in virtual assistant services, particularly excelling in aiding acquisition tasks for consulting firms. Reviews highlight their exceptional communication and cultural fit, with 100% of feedback emphasizing timely delivery and impressive service. Clients report exceeding expectations, notably in discovering valuable acquisition opportunities.
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UndisclosedUndisclosed1,000 - 9,999Winchester, VA
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Centro is a HR Outsourcing company. The Winchester, Virginia-based firm specializes in HR Outsourcing and Call Center Services.
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UndisclosedUndisclosed2 - 9Las Vegas, NV
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See all 2 projectsVinsiAI is a Contact Center Services provider specializing in Customer Support Services, utilizing AI to handle call volumes and customer service tasks efficiently. Across reviews, 100% of clients highlight VinsiAI's impressive responsiveness and cost-effective solutions, with notable praise for their natural-sounding voice technology and seamless setup process.
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$1,000+< $25 / hr1,000 - 9,999El Paso, TX
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Datamark, a Finance & Accounting Outsourcing (FAO) company, was established in 1989. The agency provides Finance & Accounting Outsourcing (FAO) and Call Center Services.
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$1,000+Undisclosed250 - 999Columbus, OH
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PrimeSync offers Contact Center Services, specializing in Customer Support Services, including Inbound and Outbound Call Center tasks. Based on client reviews, PrimeSync is praised for its effective project management, timely delivery, and the quality and convenience of its remote workforce, leading to increased collections and reduced workload for clients. The seamless integration of their services is highlighted as a significant benefit.
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Undisclosed< $25 / hr1,000 - 9,999Rogers, AR
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Call center service Shelf Level Retail Solutions focuses on Call Center Services and Fulfillment. They were founded in 2002.
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UndisclosedUndisclosed250 - 999Fort Worth, TX
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Touchstone Communications is a phone answering service. The team is headquartered in Fort Worth, Texas and Islamabad, Pakistan, and their services include Call Center Services and Transcription.
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$1,000+< $25 / hr1,000 - 9,999New York, NY
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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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$10,000+< $25 / hr50 - 249Dover, DE
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Creatics Solutions is an answering service located in Dover, Delaware. They offer Call Center Services and were established in 2019.
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Undisclosed< $25 / hr10 - 49Miami, FL
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Prime Contact Group is an answering service headquartered in Miami, Florida. The team specializes in Call Center Services and Back Office Outsourcing.
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$250,000+$25 - $49 / hr50 - 249Brentwood, TN
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Svast Healthcare Technologies is a midsize phone answering service established in 2020. Their team offers Call Center Services.
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$1,000+< $25 / hr250 - 999Dover, DE
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Velan Healthcare Services is an answering service company. They offer Call Center Services and Back Office Outsourcing and are headquartered in Dover, Delaware.
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UndisclosedUndisclosed1,000 - 9,999Farmers Branch, TX
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Answering service Telvista was launched in 1997. The company specializes in Call Center Services and Sales Outsourcing, and is large.
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UndisclosedUndisclosed2 - 9Glen Burnie, MD
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Telerep is a Glen Burnie, Maryland-based answering service company. They provide Call Center Services and Customer Service Outsourcing and were established in 1976.
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$1,000+$25 - $49 / hr50 - 249Duncanville, TX
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Personalized Communications is a midsize call center service in Duncanville, Texas and Amarillo, Texas. The team focuses on Call Center Services.
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$1,000+$25 - $49 / hr10 - 49St. Augustine, FL
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AnswerAide is a small call center company located in St. Augustine, Florida. The team specializes in Call Center Services and Sales Outsourcing.
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$1,000+$150 - $199 / hr2 - 9Toledo, OH
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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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UndisclosedUndisclosed250 - 999Dubuque, IA
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Established in 1988, Humach, a midsize Application Management & Support company, is headquartered in Dubuque, Iowa. Their services include Application Management & Support and Artificial
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$1,000+< $25 / hr1,000 - 9,999Opa-locka, FL
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TopCom Solutions, a large answering service, is headquartered in Opa-locka, Florida and Santo Domingo, Dominican Republic. The team offers Call Center Services and Back Office Outsourcing.
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$1,000+$25 - $49 / hr50 - 249Miami, FL
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Launched in 2011, AU Telecom LLC is a call center. The agency specializes in Call Center Services and CRM consulting and SI, and is midsize.
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$1,000+< $25 / hr250 - 999Queens Village, NY
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Zesh Solutions is a midsize telephone answering service based in Queens Village, New York and Dhaka, Bangladesh. The team offers Call Center Services and Customer Service Outsourcing.
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$5,000+$25 - $49 / hr50 - 249Pompano Beach, FL
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See all 12 projectsHyper Hired is a recruitment and staffing company. In the provided review, 100% of the feedback indicated dissatisfaction, citing issues with communication, candidate alignment, and execution. Despite initial high expectations based on prior experiences, the client ultimately canceled the engagement due to these concerns.
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UndisclosedUndisclosed2 - 9Dunwoody, GA
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Courtesy Connection is a call center established in 2018. The team offers Call Center Services.
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UndisclosedUndisclosed50 - 249Gilroy, CA
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Rush Order, a Fulfillment company, was launched in 1989. The company specializes in Fulfillment and Warehousing & Distribution.
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UndisclosedUndisclosed250 - 999Los Angeles, CA
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Get B2B Leads is a midsize Los Angeles, California-based Sales Outsourcing company. The team provides Sales Outsourcing and Social Media Marketing.
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UndisclosedUndisclosed250 - 999Cerritos, CA
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Bristol Healthcare Services is an other IT consulting and SI company. Based in Cerritos, California, their team provides other IT consulting and SI and Back Office Outsourcing.
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UndisclosedUndisclosed1,000 - 9,999Aubrey, TX
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The Functionary is an IT staff augmentation company. Headquartered in Aubrey, Texas, the firm was launched in 2017. Their services include IT staff augmentation and Call Center Services.
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$1,000+< $25 / hr50 - 249South Bend, IN
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Back Office Outsourcing company Astron EHS was launched in 2012. The midsize team focuses on Back Office Outsourcing and Call Center Services.
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$1,000+< $25 / hr50 - 249San Francisco, CA
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Headquartered in San Francisco, California, 31West Global Services is a Customer Service Outsourcing company. They specialize in Customer Service Outsourcing and cloud consulting & SI.
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$1,000+< $25 / hr2 - 9Palmdale, CA
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See all 1 projectsZ4 Tech Medical Solutions provides comprehensive Contact Center Services, including Medical Billing, Medical Receptionist duties, and handling both Inbound and Outbound Call Center tasks. Reviews highlight their cost-effective pricing, high-quality service, and reliable 24/7 availability. Clients express significant satisfaction with their efficient customer support and seamless project management.
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$1,000+$25 - $49 / hr1,000 - 9,999Renton, WA
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Bellmedex is a Customer Service Outsourcing company established in 2013. The large team provides Customer Service Outsourcing and Back Office Outsourcing.
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UndisclosedUndisclosed50 - 249Buffalo, NY
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Capital Management Services, an answering service company, was established in 2000. The company focuses on Call Center Services and Customer Service Outsourcing, and is midsize.
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UndisclosedUndisclosed250 - 999West Hartford, CT
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REVA Global LLC, a telephone answering service, was founded in 2014. The firm specializes in Call Center Services and Back Office Outsourcing.
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UndisclosedUndisclosed2 - 9Fayetteville, AR
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Alpha Solutions is a call center service. Based in Fayetteville, Arkansas, the company was established in 2019. Their team specializes in Call Center Services.
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$10,000+Undisclosed250 - 999San Diego, CA
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Valoroo, an IT staff augmentation company, is headquartered in San Diego, California. Established in 2019, the team provides IT staff augmentation and Call Center Services.
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$1,000+$25 - $49 / hr1,000 - 9,999McKinney, TX
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Headquartered in McKinney, Texas, Eminence RCM is a large Customer Service Outsourcing company. The team offers Customer Service Outsourcing and Back Office Outsourcing.
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$1,000+$25 - $49 / hr50 - 249Melbourne, FL
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Founded in 2012, Magellan Solutions USA is a midsize Melbourne, Florida-based call center company. Their services include Call Center Services and Back Office Outsourcing.
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$1,000+< $25 / hr10 - 49Morrisville, NC
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See all 1 projectsRelayTask is a North Carolina-based LLC offering professional customer support services. Specializing in providing tailored solutions for businesses, RelayTask ensures efficient customer engagement,
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$1,000+$25 - $49 / hr50 - 249Santa Monica, CA
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Calltastic is a Business Consulting company located in Santa Monica, California. The team specializes in Business Consulting and Call Center Services.
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$1,000+< $25 / hr50 - 249San Jose, CA
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RCM Centric is an IT managed services company established in 2016. The company focuses on IT managed services and Call Center Services, and is midsize.
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UndisclosedUndisclosed50 - 249Itasca, IL
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Brown & Joseph, a phone answering service, was launched in 1996. They specializes in Call Center Services and Custom Software Development.
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Undisclosed< $25 / hr50 - 249Fort Collins, CO
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Press-One Customer Care is a call center service. The team offers Call Center Services and IT managed services and is based in Fort Collins, Colorado and Fort Collins, Colorado.
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$1,000+< $25 / hr50 - 249New York, NY
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NEO MD INC is a New York, New York-based Back Office Outsourcing company. They specialize in Back Office Outsourcing and Customer Service Outsourcing and were established in 2021.
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List of the Top 15 United States Third-Party Verification Companies
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$1,000+< $25 / hr1,000 - 9,999Chicago, IL
Ability to deliver
37.3/40.018.4/20 Reviews9.4/10 Clients & Experience9.5/10 Market PresenceService focus
20% Call Center Services30% Third party verification80% Other -
$1,000+$25 - $49 / hr250 - 999San Francisco, CA
Ability to deliver
39.8/40.019.8/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
10% Call Center Services100% Third party verification90% Other -
$1,000+< $25 / hr250 - 999Doylestown, PA
Ability to deliver
35.3/40.017.6/20 Reviews8.7/10 Clients & Experience9/10 Market PresenceService focus
30% Call Center Services30% Third party verification70% Other -
$1,000+< $25 / hr250 - 999Afton, WY
Ability to deliver
35.2/40.018.6/20 Reviews7.1/10 Clients & Experience9.5/10 Market PresenceService focus
25% Call Center Services50% Third party verification75% Other -
$1,000+$25 - $49 / hr250 - 999Orlando, FL
Ability to deliver
35.3/40.016.2/20 Reviews10/10 Clients & Experience9.1/10 Market PresenceService focus
50% Call Center Services15% Third party verification50% Other -
Undisclosed< $25 / hr50 - 249Duluth, GA
Ability to deliver
31.1/40.014.6/20 Reviews6.6/10 Clients & Experience9.8/10 Market PresenceService focus
80% Call Center Services50% Third party verification20% Other -
UndisclosedUndisclosed1,000 - 9,999Los Angeles, CA
Ability to deliver
34.1/40.016.6/20 Reviews10/10 Clients & Experience7.5/10 Market PresenceService focus
10% Call Center Services100% Third party verification90% Other -
$25,000+Undisclosed50 - 249Troutman, NC
Ability to deliver
34.1/40.017.2/20 Reviews8.2/10 Clients & Experience8.7/10 Market PresenceService focus
15% Call Center Services100% Third party verification85% Other -
$50,000+Undisclosed1,000 - 9,999American Fork, UT
Ability to deliver
30.7/40.017.2/20 Reviews3.9/10 Clients & Experience9.6/10 Market PresenceService focus
20% Call Center Services50% Third party verification80% Other -
$5,000+$25 - $49 / hr250 - 999Home, KS
Ability to deliver
33.8/40.016.4/20 Reviews9.2/10 Clients & Experience8.2/10 Market PresenceService focus
35% Call Center Services10% Third party verification65% Other -
$1,000+< $25 / hr50 - 249Scottsdale, AZ
Ability to deliver
33.9/40.015.8/20 Reviews9.7/10 Clients & Experience8.5/10 Market PresenceService focus
50% Call Center Services10% Third party verification50% Other -
$1,000+< $25 / hr50 - 249Las Vegas, NV
Ability to deliver
38.5/40.019.6/20 Reviews9.8/10 Clients & Experience9.1/10 Market PresenceService focus
10% Call Center Services10% Third party verification90% Other -
$50,000+< $25 / hr1,000 - 9,999Duluth, GA
Ability to deliver
30.3/40.016.2/20 Reviews8.7/10 Clients & Experience5.4/10 Market PresenceService focus
15% Call Center Services25% Third party verification85% Other -
$5,000+Undisclosed1,000 - 9,999Mahwah, NJ
Ability to deliver
30.6/40.014.6/20 Reviews7.3/10 Clients & Experience8.7/10 Market PresenceService focus
50% Call Center Services13% Third party verification50% Other -
$1,000+< $25 / hr50 - 249Berkeley, CA
Ability to deliver
35.4/40.017.4/20 Reviews9.2/10 Clients & Experience8.8/10 Market PresenceService focus
20% Call Center Services20% Third party verification80% Other -
UndisclosedUndisclosed10 - 49Spokane, WA
Ability to deliver
27.8/40.013.6/20 Reviews8.1/10 Clients & Experience6.1/10 Market PresenceService focus
50% Call Center Services100% Third party verification50% Other -
UndisclosedUndisclosed10 - 49King of Prussia, PA
Ability to deliver
30.7/40.015.6/20 Reviews8.5/10 Clients & Experience6.6/10 Market PresenceService focus
50% Call Center Services33% Third party verification50% Other -
$50,000+$25 - $49 / hr250 - 999Salisbury, NC
Ability to deliver
26.1/40.015.8/20 Reviews4.6/10 Clients & Experience5.7/10 Market PresenceService focus
35% Call Center Services50% Third party verification65% Other -
$5,000+< $25 / hr250 - 999Miami Beach, FL
Ability to deliver
33.7/40.016.8/20 Reviews9.6/10 Clients & Experience7.2/10 Market PresenceService focus
10% Call Center Services15% Third party verification90% Other -
UndisclosedUndisclosed250 - 999Chicago, IL
Ability to deliver
27.4/40.016.6/20 Reviews5.1/10 Clients & Experience5.7/10 Market PresenceService focus
25% Call Center Services25% Third party verification75% Other -
$1,000+Undisclosed50 - 249Riverbank, CA
Ability to deliver
27.4/40.015/20 Reviews6.6/10 Clients & Experience5.8/10 Market PresenceService focus
50% Call Center Services25% Third party verification50% Other -
$1,000+< $25 / hr250 - 999Princeton, NJ
Ability to deliver
24.1/40.018.8/20 Reviews0/10 Clients & Experience5.3/10 Market PresenceService focus
50% Call Center Services30% Third party verification50% Other -
$1,000+< $25 / hr250 - 999Jefferson City, MO
Ability to deliver
25/40.013/20 Reviews3.5/10 Clients & Experience8.5/10 Market PresenceService focus
25% Call Center Services50% Third party verification75% Other -
$1,000+< $25 / hr50 - 249Omaha, NE
Ability to deliver
22.4/40.014.6/20 Reviews2.9/10 Clients & Experience4.9/10 Market PresenceService focus
60% Call Center Services100% Third party verification40% Other -
UndisclosedUndisclosed2 - 9Coral Gables, FL
Ability to deliver
22.3/40.011.4/20 Reviews1.3/10 Clients & Experience9.6/10 Market PresenceService focus
64% Call Center Services100% Third party verification36% Other -
UndisclosedUndisclosed10 - 49Phoenix, AZ
Ability to deliver
25/40.017.4/20 Reviews1.3/10 Clients & Experience6.3/10 Market PresenceService focus
80% Call Center Services30% Third party verification20% Other -
UndisclosedUndisclosed50 - 249Spring, TX
Ability to deliver
26.9/40.015.6/20 Reviews3.6/10 Clients & Experience7.7/10 Market PresenceService focus
25% Call Center Services33% Third party verification75% Other -
$1,000+< $25 / hr50 - 249Fort Lauderdale, FL
Ability to deliver
29/40.016.6/20 Reviews6.8/10 Clients & Experience5.6/10 Market PresenceService focus
15% Call Center Services20% Third party verification85% Other -
UndisclosedUndisclosed50 - 249Charleston, SC
Ability to deliver
20.3/40.014.2/20 Reviews0.6/10 Clients & Experience5.5/10 Market PresenceService focus
85% Call Center Services100% Third party verification15% Other -
$1,000+< $25 / hr10 - 49Baltimore, MD
Ability to deliver
28.3/40.015.2/20 Reviews4.6/10 Clients & Experience8.6/10 Market PresenceService focus
10% Call Center Services25% Third party verification90% Other
Latest Third Party Verification Articles
See all articles![How to Build a Budget for Call Center Services [With Template] cover image](https://img.shgstatic.com/clutch-static-prod/image/resize/715x400/s3fs-public/article/ba3fb126c373d45b88403b0272fa9201.jpg)
How to Build a Budget for Call Center Services [With Template]
Call center costs can add up over time, so it’s important that companies establish a thorough budget plan before outsourcing.
U.S. Third Party Verification FAQs
A U.S.-based partner brings deep familiarity with federal and state rules that often govern verification—think TCPA and TSR for telesales, HIPAA for healthcare, GLBA for financial data, and evolving privacy laws like CPRA. That local context reduces the risk of invalid verifications, fines, or disputes.
Moreover, you’ll also benefit from data security standards that more buyers demand, such as SOC 2 Type II and ISO 27001. Other advantages include time zone alignment, English-first operations, and knowledge of sector-specific nuances in utilities, telecom, fintech, and insurance. Essentially, U.S.-based third-party verification teams deliver compliant solutions with faster response times and clearer audit trails.
Pricing varies because of factors like volume, compliance scope, and whether you need custom integrations. Clutch’s recent data shows that the typical ranges you’ll see go:
- Per-minute voice TPV: $0.75 – $1.75
- Per-call TPV (flat): $3 – $10+ based on length/complexity
- Monthly retainers for managed TPV programs: $2,500 – $20,000+
- Implementation/integration (CRM, order systems, APIs): $10,000 – $75,000+
- Independent verification services (e.g., controls testing, audit support): $15,000 – $60,000+ per engagement
- Site or vendor verification (fieldwork): $500 – $2,000 per site plus travel
Ask providers to break out setup, variable usage, storage/recording, and change-order fees to compare the true total cost of ownership.
U.S. verification providers support a broad set of regulated and high-volume sectors:
- Telecom and cable — order confirmation, plan changes, and consent capture
- Energy and utilities — enrollment verification for power, gas, and solar
- Financial services and fintech — KYC/KYB support, disclosure acknowledgment, loan and card activations
- Healthcare — patient consent, benefits verification (HIPAA-aligned workflows)
- E-commerce and marketplaces — seller onboarding and risk checks
- Insurance — policy applications, add-ons, and renewal confirmations
- Home services and security — recorded authorizations and contract acceptance
- B2B SaaS and enterprise — independent verification of controls, attestations, and certifications
Start by outlining your project’s requirements — i.e., third party verification process, regulatory frameworks, etc. Then, explore Clutch’s curated directories and evaluate potential partners on:
- Compliance and security — SOC 2 Type II, ISO 27001, HIPAA BAAs, secure storage, encryption, data retention.
- Operational rigor — QA programs, calibration routines, low dispute/error rates, clear SLAs.
- Technology — call recording access, searchable audit trails, API/webhook integrations with CRM/OMS, omnichannel support.
- Transparency — sample scripts, redaction policies, sample reports, referenceable case studies in your industry.
- Fit and flexibility — pilot programs, month-to-month or phased contracts, US-based or hybrid staffing to meet your needs.
- No access to full call recordings, timestamps, or immutable audit trails
- Vague or missing data retention and redaction policies
- Lack of recognized certifications (e.g., no SOC 2 Type II) despite handling sensitive data
- High dispute/invalid rates with no root-cause analysis
- Resistance to pilots, references, or third-party security questionnaires
- Long-term lock-ins without performance-based outs
- Poor grasp of TCPA/TSR, state-specific rules, or consent language
- One-size-fits-all scripts that don’t reflect your disclosures or risk profile
Always be vigilant when considering potential partners for your third party verification project. Doing your due diligence well will help you avoid red flags and prevent unnecessary complications.