Top 100 Third Party Verification Companies
The Best of December 2025Looking 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. With all of these options, we know that it can be difficult to navigate the best company for you.
That's why we've created this list of the best third party verification companies for you to review. Read through company descriptions, former clients, and notable projects to find the best fit for your business.
List of the Best Third Party Verification Agencies
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121$1,000+50 - 249 employeesEnglish Call Centre is a phone answering service founded in 2011. Their midsize team is in New Delhi, India. The company specializes in call center services, back office outsourcing, customer service outsourcing, and sales outsourcing.Read More
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122Undisclosed10 - 49 employeesKolkata, IndiaEstablished in 2020, Staybright Design Private Limited is a call center service. Located in Kolkata, India and Kolkata, India, their small team focuses on Call Center Services, Search Engine Optimization, Back Office Outsourcing, Sales Outsourcing, and more.Read More
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123Undisclosed1,000 - 9,999 employeesWinchester, VACentro is a HR Outsourcing company. The Winchester, Virginia-based firm specializes in HR Outsourcing and Call Center Services.Read More
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124$1,000+2 - 9 employeesRoyal Wootton Bassett, EnglandCall center Double Tap Marketing Ltd is located in Royal Wootton Bassett, United Kingdom. Launched in 2017, the small team focuses on call center services, email marketing, and sales outsourcing.Read More
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125$10,000+10 - 49 employeesSan Salvador, El SalvadorRead More
Callsite Solutions is a phone answering service. The small San Salvador, El Salvador-based company was launched in 2022. Their services include call center services, customer service outsourcing, back office outsourcing, and sales outsourcing.
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126$75,000+50 - 249 employeesCouva, Trinidad and Tobago2ndOffice Limited is a IT staff augmentation company. They are located in Couva, Trinidad and Tobago and have a midsize team. The agency focuses on IT staff augmentation, call center services, back office outsourcing, finance & accounting outsourcing (FAO), and more.Read More
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127$1,000+50 - 249 employeesDialnest PTE LTD is an answering service company. They specialize in Call Center Services, Back Office Outsourcing, Customer Service Outsourcing, and Sales Outsourcing and were established in 2023. The agency is in Singapore, Singapore and Iloilo City, Philippines.Read More
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128$5,000+50 - 249 employeesLucknow, IndiaAccounting company Shared Consulting, LLC is located in Everett, Washington and Lucknow, India. The midsize firm was launched in 2012. Their team offers accounting, hr outsourcing, IT managed services, call center services, and more.Read More
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129$1,000+10 - 49 employeesRead More
Xplore-Tech is a BPO company founded in 2004 in Kolkata, India. Xplore-Tech looks to provide voice/call center services, non-voice BPO/back office services, and transcription capabilities to clients in Canada, the U.S., the Philippines, and India. The firm operates with a team of fewer than 10 employees.
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130Undisclosed250 - 999 employeesRead More
Max BPO is a call center agency headquartered in Nanaimo, Canada, with offices in Noida, India, and Takoma Park, Md. Since 1997, their team of 52 has provided clients with voice services, non-voice BPO/back-office services, and finance & accounting outsourcing expertise. Their call center services focus on B2C telemarketing, answering services, and virtual receptionist services, among others.
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Digiperform -
131$1,000+250 - 999 employeesRead More
Launched in 2017, Rely ON Ants is a customer service outsourcing company. Their midsize team is in Berlin, Germany. Their services include customer service outsourcing, call center services, back office outsourcing, and sales outsourcing.
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132Undisclosed1,000 - 9,999 employeesPasay, PhilippinesEPerformax Contacts Center and BPO is a large phone answering service in Pasay, Philippines. The team offers Call Center Services.Read More
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133$1,000+50 - 249 employeesTempe, AZRead More
Calibrus is a customer management contact center headquartered in Tempe, Ariz. Founded in 2013, they have about 40 employees that have clients in the business services, consumers products, financial service, healthcare, and retail industries. Their solutions include third-party verification, outbound lead generation, and hosted call recording.
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134$1,000+250 - 999 employeesNoida, IndiaRead More
Noida Exim Private Limited is a call center outsourcing services provider based in Noida, India. The company, founded in 2009, has more than 250 employees and provides voice services and non-voice BPO/back office services to companies in various industries.
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AISINIndustries
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135$1,000+10 - 49 employeesRead More
Alpha Assistant, a small non-voice bpo/back office services and telephone answering service, is located in Fort Worth, Texas. The team focuses on non-voice bpo/back office services and voice services.
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136Undisclosed1,000 - 9,999 employeesHyderabad, IndiaHRH Next Services Pvt. Ltd. Is an answering service. Launched in 2007, their team offers Call Center Services and Customer Service Outsourcing.Read More
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137$1,000+50 - 249 employeesRead More
Eluminous Technologies Pvt Ltd is a Nashik, India-based back office outsourcing company. The midsize company was founded in 2002. Their services include back office outsourcing, document digitization & management, and call center services.
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138Undisclosed10 - 49 employeesAnswering service company Elegance Outsource Pvt Ltd is in Rawalpindi, Pakistan. Founded in 2024, the small team offers Call Center Services, Customer Service Outsourcing, Back Office Outsourcing, Finance & Accounting Outsourcing (FAO), and more.Read More
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139$5,000+10 - 49 employeesSales outsourcing company Moree.io was established in 2023. Their small team is in Wilmslow, United Kingdom. Moree.io focuses on sales outsourcing.Read More
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140$1,000+50 - 249 employeesRawalpindi, PakistanGravityBPO, a call center, is based in Rawalpindi, Pakistan and Philadelphia, Pennsylvania. The midsize company was launched in 2018. Their team specializes in call center services, back office outsourcing, affiliate marketing, and transcription.Read More
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141Undisclosed1,000 - 9,999 employeesSeoul, South KoreaDigital Hearts Co., Ltd., a Translation company, was founded in 2001. The company offers Translation and Call Center Services.Read More
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142$10,000+10 - 49 employeesKarachi, PakistanRead More
Tech Drop Private Limited is a web design company in Karachi, Pakistan and Karachi, Pakistan. The small firm was established in 2022. Their services include web design, ux/ui design, graphic design, web development, and more.
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143$10,000+1,000 - 9,999 employeesDubai, United Arab EmiratesRaya CX is a Back Office Outsourcing company located in Cairo, Egypt and Dubai, United Arab Emirates. Their services include Back Office Outsourcing and Call Center Services.Read More
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144Undisclosed50 - 249 employeesKadawatha, Sri LankaPNB Holdings Pvt Ltd is a midsize back office outsourcing company founded in 2015. Their team provides back office outsourcing, finance & accounting outsourcing (FAO), accounting, call center services, and more. The firm is headquartered in Kadawatha, Sri Lanka.Read More
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145Undisclosed50 - 249 employeesMorbio Inferiore, SwitzerlandArtera is a IT managed services company. The midsize Morbio Inferiore, Switzerland-based firm was founded in 2002. Their team provides IT managed services and call center services.Read More
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146$1,000+50 - 249 employeesTallinn, EstoniaApifonica is an answering service company. Launched in 2015, the agency is based in Tallinn, Estonia and Warszawa, Poland. Their team provides Call Center Services and Other Digital Marketing.Read More
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Decathlon LPP InPost HuaweiIndustries
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147$1,000+50 - 249 employeesSheridan, WYPrimary BPO, a back office outsourcing company, was launched in 2023. They are located in Rigby, Idaho and have a midsize team. Their services include back office outsourcing, call center services, transcription, and recruitment process outsourcing.Read More
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148Undisclosed1,000 - 9,999 employeesDhaka, BangladeshDigicon Technologies Ltd is a call center service launched in 2010. Their large team is based in Dhaka, Bangladesh. The firm offers Call Center Services, Corporate Training & Coaching, and IT staff augmentation.Read More
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149$1,000+10 - 49 employeesRead More
ProComm is a teleservice company based in Palo Alto, Calif. Founded in 1991, they have about 50 employees and have clients in the healthcare industry. They specialize in voice and BPO services.
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150Undisclosed10 - 49 employeesChester, EnglandCall center company Daktela UK is located in Chester, England and Winnersh, England. Founded in 2005, the team specializes in Call Center Services.Read More
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