Top 100 Third Party Verification Companies

Founded in 2011, Call2Customers is an outsourced call center in New Delhi, India with roughly 250 employees who provide voice and BPO services. They focus on B2B lead generation and B2C telemarketing for clients.

Wow24-7 is an omnichannel customer outsourcing company based in Kyiv, Ukraine. Founded in 2016, Wow24-7 provides non-voice BPO/back office services and voice services.

GCS Agents is a contact center firm in Salisbury, N.C., founded in 2001. The team of 300 specializes in voice services, consulting, and BPO services for its majority midmarket clients across multiple industries. 

DialAmerica is a business process outsourcing firm headquartered in Mahwah, N.J. with offices in New York City, Athens, Ga., Charleston, and Cleveland. Founded in 1957, they have over 5000 employees. Their services include voice call process outsourcing, but they offer non-voice services as well. 

Tasks Expert is a social media marketing agency located in Killeen, Texas and Kalyan, India. The firm focuses on social media marketing and has a small team.The firm was founded in 2017.

Mercatus is a boutique BPO and ITO service and solution provider from Sofia, Bulgaria founded in 2018. With a team of about 20 employees, they offer their clientele voice services, business consulting, IT staff augmentation, back-office services, and more.

Wing Assistant, a back office outsourcing company, was established in 2018. Their midsize team is located in Berkeley, California. Their services include back office outsourcing, customer service outsourcing, sales outsourcing, call center services, and more.

Answering service company Genesis Support Solution LTD was established in 2020. The midsize team focuses on call center services, customer service outsourcing, HR services, translation, and more. The agency is in Montego Bay, Jamaica and Miami, Florida.

AdvancedMD is a business process outsourcing firm for the healthcare industry. Based in South Jordan, Utah, they have  a branch office in Springfield, Mass. The team was founded in 1999 and includes 590 employees. AdvancedMD offers a wide variety of solutions for independent practices. Their services include non-voice BPO, voice call outsourcing, and integration of medical and enterprise software.

HiredSupport is a non-voice bpo/back office services company founded in 2015. Their midsize team is in Rancho Cucamonga, California and Lahore, Pakistan. Their services include non-voice bpo/back office services, voice services, and transcription.

FlairsTech is an UX agency. Their midsize team is headquartered in Dorval, Canada. Their services include ux/ui design, graphic design, video production, IT strategy consulting, and more.

Daythree Business Services is a business service provider in Petaling Jaya, Malaysia. They provide voice services, back office services, and business consulting. They work primarily with midmarket and enterprise companies in transportation, telecommunication, and energy industries. Founded in 2008, they have about 150 employees.

Uassist.ME is a virtual assistance services firm founded in 2009. Based in El Salvador, the team of over 150 employees specializes in non-voice BPO/back office services, voice services, and HR services.

Answering service Global Bilgi was established in 2008. Their midsize team is in Kyiv, Ukraine and Dnipro, Ukraine. Their services include voice services, non-voice bpo/back office services, CRM consulting and SI, HR services, and more.

Human resources firm Sourcefit Philippines was launched in 2006. The firm offers HR services, non-voice bpo/back office services, and voice services and has a midsize team. The firm is located in Quezon City, Metro Manila, Philippines.

Leadium is a voice services firm based in Alexandria, Va., with an additional office in Kiev, Ukraine. Founded in 2016, the team of 100 specializes in email marketing, market research and CRM consulting and SI. They work primarily with small business clients, mostly in the IT industry.

Founded in 2014, Remote Team Solutions is an HR services company headquartered in La Laguna, Mexico, with a secondary location in Las Vegas. Their team of around 10 focuses on HR consulting and non-voice BPO/back office services.

Complete Call Solutions is a voice services outsourcing firm in Omaha, Nebraska. Founded in 2008, they have about 74 employees that serve clients in the retail, hospitality, and financial services sectors. 

One Umbrella is a SaaS & tech digital marketing growth company based in London. The company, founded in 2019, has a team of less than ten that provides social media marketing and PPC services. One Umbrella serves small and larger-sized companies in the business services, education, IT, and e-commerce industries.

Call center service Call Point Business Solutions was founded in 2018. They are located in Dhaka, Bangladesh and have a small team. Call Point Business Solutions focuses on voice services, non-voice bpo/back office services, advertising, other marketing, and more.

Task Virtual is an outsourcing agency based in Kolkata, India. Since 2016, their small team of 9 has been specializing in market research, business consulting, non-voice BPO services, branding, transcription, and more. They mainly work with midmarket clients in a variety of industries.

GroupOne Health Source is a full service medical billing and consulting firm based in Jefferson City, Mo. Since 1991, their current team of 108 has been specializing in non-voice BPO services, voice services, and transcription for clients in the medical field. 

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.

Empire Global Solution is a midsize telephone answering service. In PARLIN, New Jersey and Barranquilla, Colombia, the agency was founded in 2021. Their services include call center services, back office outsourcing, sales outsourcing, customer service outsourcing, and more.

The Contact Company is an outsourcing firm based in Birkenhead, U.K. Founded in 2006, it has more than 250 employees who specialize in non-voice BPO/back office services and voice services. The team primarily partners with enterprise and midmarket clients in the business services, financial services, retail, telecommunications, and e-commerce sectors.

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.

Aplitt sp. Z o.o. Is a Gdańsk, Poland-based software development company. The midsize team provides custom software development, web development, mobile app development, application testing, and more. The company was founded in 1995.

Call Experts is a contact center outsourcing firm headquartered in Charleston, South Carolina. Founded in 1982, they now have over 200 employees distributed between three call centers on the US east coast. Call Experts provides expert services for voice support, including virtual receptionist services, inbound appointments, and customer support.

Westpark Communications is a business process outsourcing firm based in Houston, Texas. Established in 1968, the team of about 40 employees primarily provides voice services and non-voice BPO and back office services for the manufacturing, retail, and business services industries.

Founded in 2021, SWITCH 360 is an answering service company. Their midsize team is located in Los Angeles, California. Their services include call center services, customer service outsourcing, digital strategy, search engine optimization, and more.