Top 100 Call Center Services

Sales outsourcing company VAEKST is based in København, Denmark. The midsize team specializes in sales outsourcing, direct marketing, market research, and email marketing and was established in 2020.

Midsize phone answering service NICE, is in Montego Bay, Jamaica. Their services include voice services and non-voice bpo/back office services.

Non-voice bpo/back office services company OutPLEX was launched in 2001. Their small team is in Santo Domingo, Dominican Republic. OutPLEX specializes in non-voice bpo/back office services.

Answering service Global Call Forwarding was established in 1996. The agency specializes in voice services and has a small team.

Phone answering service Infinity Center BPO is based in Houston, Texas and Ciudad de Guatemala, Guatemala. The firm provides call center services and customer service outsourcing and is midsize.The firm was established in 2014.

Established in 2009, CXG Business Process Outsourcing is a midsize answering service company. Their services include voice services, non-voice bpo/back office services, and HR services. The company is located in Sofia, Bulgaria.

Growthonics is a marketing firm founded in London in 2014. With over 1,000 members, they offer email marketing and business consulting solutions to small and mid-market agencies in the field of business services.

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. 

Supporto is a customer support agency based in Ukraine. They employ four staff who specialize in community management, social networking, and customer support for small and large businesses. Services include market analysis, solution development, content management, and design.

Growup Technologies is a remote employee service provider based in Gurgaon, India. The company, founded in 2018, has more than 200 employees who provide, among others, non-voice BPO and back office services, HR services, and other digital marketing services to enterprise-level companies.

Located in Knoxville, Tenn., Taskforce BPO is a veteran-owned company that provides clients of all sizes with labor solutions. Made up of 90 employees, the company specializes in voice services and non-voice BPO/back office services. Taskforce BPO was founded in 2015 and predominantly serves clients in the healthcare, financial services, business services, and retail industries.

Answer California is a voice support outsourcing firm based in El Cajon, Calif., just outside of San Diego. Founded in 1998, Answer California has just under 13 employees. They exclusively provide voice service outsourcing. Their specific call center services include automatic answering, order processing, and customer service.

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.

InTouch is a call center solutions agency based in Martinsburg, West Virginia. Founded in 1995, they have over 200 employees for primarily the healthcare and real estate industries. Their services consist entirely of voice support, including inbound and outbound sales, conventional answering and switchboard solutions, and order processing.

AppointmentSetter is a B2B appointment setting and lead generation firm based in Toronto. The firm, founded in 2006, has a team of less than 50 provides appointment-setting services that connect small to medium-sized businesses with potential clients.  

Midsize answering service company TAS United, LLC, is headquartered in San Antonio, Texas. The team specializes in voice services and non-voice bpo/back office services.

PlusOneMark is an Indonesia-based digital marketing agency founded in 2016. Their small team of 1–2 employees specializes in B2B lead generation and online reputation management. Their other focuses are social media marketing, digital strategy, and email marketing. 

CFT Consulting is an RPO and sales training business founded in 2016 and located in Kalyan, India. They have a team of fewer than 250 individuals who offer IT staff augmentation, IT strategy consulting, and business consulting services. Their client base comprises small and midmarket businesses in the business services and IT industries.

Numa is an answering service based in Oakland, Calif., and founded in 2016. Their team of fewer than 50 specializes in voice services for clients ranging from small firms to large corporations in the fields of real estate, hospitality, and retail.

Call Cici is a live call answering service founded in 2020 in Scottsdale, Ariz. With fewer than 50 employees on board, they specialize in providing voice services mostly to small businesses. 

Email marketing company Flowd is located in Manchester, United Kingdom. The firm offers email marketing and branding and is small.The firm was established in 2019.

Atelier Lumikha is a non-voice bpo/back office services company. Launched in 2005, the team focuses on non-voice bpo/back office services, voice services, content marketing, corporate training, and more. Their small company is Dumaguete, Philippines-based.

Darwinian Ventures is a growth advisory firm founded in San Francisco in 2017 with no more than 50 members. They provide CRM consulting, voice services, and business consulting solutions for small businesses in various fields, including business services and education.