Top 100 Call Center Services
The Best of August 2026List of the Best Voice Services Providers on the Market
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1$1,000+250 - 999 employeesOrlando, FLXACT is an Orlando, Florida-based answering service. The company offers Call Center Services, Customer Service Outsourcing, Back Office Outsourcing, and Staffing and is midsize.The company was founded in 1998.Read More
Clients
Culinary Institute of AmericaIndustries
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2$1,000+1,000 - 9,999 employeesWilmington, DESupportYourApp is a call center service established in 2010. Their large team is headquartered in Wilmington, Delaware; Beograd, Serbia and DSR, Argentina. The company focuses on Call Center Services, Customer Service Outsourcing, AI Agents, Back Office Outsourcing, and more.Read More
Clients
Mastercard Calm Kofax MacPawIndustries
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$1,000+250 - 999 employeesOrlando, FLXACT is an Orlando, Florida-based answering service. The company offers Call Center Services, Customer Service Outsourcing, Back Office Outsourcing, and Staffing and is midsize.The company was founded in 1998.Read More
Industries
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$1,000+1,000 - 9,999 employeesChicago, ILEstablished in 2017, Hugo Inc. Is a Customer Service Outsourcing company. The agency specializes in Customer Service Outsourcing, Call Center Services, Back Office Outsourcing, Content Moderation Services, and more and has a large team. The agency is in Chicago, Illinois and Lagos, Nigeria.Read More
Industries
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3$1,000+50 - 249 employeesDenver, CORead More
Belkins is a midsize Sales Outsourcing company launched in 2017. Their services include Sales Outsourcing, Email Marketing, CRM consulting and SI, and Call Center Services. The company is in Denver, Colorado; Kyiv, Ukraine; Cheyenne, Wyoming and Lombard, Illinois.
Clients
Nvidia General Electric Zendesk UC BerkeleyIndustries
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4$1,000+250 - 999 employeesOakville, CanadaMartal Group is a Sales Outsourcing company. The midsize Oakville, Canada-based team provides Sales Outsourcing, Email Marketing, Call Center Services, and AI Agents. The agency was launched in 2009.Read More
Clients
BoschIndustries
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5$1,000+50 - 249 employeesLaguna Beach, CALevelUp Leads is a Sales Outsourcing company founded in 2021. The company specializes in Sales Outsourcing, Call Center Services, and Email Marketing and has a midsize team. The company is headquartered in Laguna Beach, California and Laguna Beach, California.Read More
Industries
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6$1,000+50 - 249 employeesEd, SwedenA-SALES AB is a Sales Outsourcing company launched in 2023. They are located in Ed, Sweden; Göteborg, Sweden; Sheridan, Wyoming and London, England and have a midsize team. Their services include Sales Outsourcing, Call Center Services, and Email Marketing.Read More
Clients
Svea SolarIndustries
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7$1,000+50 - 249 employeesOttawa, CanadaRead More
DMT Business Development is a Sales Outsourcing company. Founded in 2018, the team offers Sales Outsourcing, Email Marketing, and Call Center Services. Their midsize agency is headquartered in Ottawa, Canada; Zhytomyr, Ukraine; Lublin, Poland and Lublin, Poland.
Clients
CDS Global Cloud Yodeck Productive.io Concordia UniverscityIndustries
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8$1,000+250 - 999 employeesSt. Louis, MOAbstrakt Marketing Group, a Sales Outsourcing company, was launched in 2009. They are based in St. Louis, Missouri and St. Louis, Missouri and have a midsize team. Their services include Sales Outsourcing, Content Marketing, and Web Design.Read More
Industries
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9$5,000+50 - 249 employeesBoca Raton, FLRead More
SalesRoads is a Sales Outsourcing company. Their midsize team is based in Boca Raton, Florida; Haddonfield, New Jersey and Philadelphia, Pennsylvania. The agency focuses on Sales Outsourcing, Email Marketing, and Call Center Services. The agency was founded in 2007.
Industries
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10$1,000+50 - 249 employeesLas Vegas, NVLeadium is a Las Vegas, Nevada-based Sales Outsourcing company. The company offers Sales Outsourcing, Content Marketing, Call Center Services, and Email Marketing and is midsize.The company was founded in 2016.Read More
Clients
DirecTVIndustries
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11$1,000+10 - 49 employeesHorsham , EnglandVirtual Sales Limited is a call center company and Sales Outsourcing company. The small Horsham , England-based firm was founded in 2001. Their services include Call Center Services and Sales Outsourcing.Read More
Industries
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12$1,000+50 - 249 employeesLondon, EnglandHeadquartered in Dover, Delaware; London, England and Kyiv, Ukraine, SalesAR is a midsize Sales Outsourcing company. Established in 2019, the team specializes in Sales Outsourcing, Content Marketing, Email Marketing, Call Center Services, and more.Read More
Clients
AkridataIndustries
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13$1,000+250 - 999 employeesDnipro, UkraineEstablished in 2013, Simply Contact is a Customer Service Outsourcing company. The midsize team specializes in Customer Service Outsourcing, Call Center Services, and Back Office Outsourcing. The agency is located in Warszawa, Poland; Dnipro, Ukraine; Kyiv, Ukraine and Poltava, Ukraine.Read More
Clients
Wizz Air Office of the President of Ukraine Fareportal AirportrIndustries
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14$1,000+1,000 - 9,999 employeesHollywood, FLRead More
Remote CoWorker is a Back Office Outsourcing company. They are located in Hollywood, Florida and Taguig, Philippines and have a large team. Their services include Back Office Outsourcing, Finance & Accounting Outsourcing (FAO), Call Center Services, Customer Service Outsourcing, and more. The firm was launched in 2013.
Clients
AmazonIndustries
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15$1,000+1,000 - 9,999 employeesChicago, ILEstablished in 2017, Hugo Inc. Is a Customer Service Outsourcing company. The agency specializes in Customer Service Outsourcing, Call Center Services, Back Office Outsourcing, Content Moderation Services, and more and has a large team. The agency is in Chicago, Illinois and Lagos, Nigeria.Read More
Industries
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16$5,000+50 - 249 employeesCairo, EgyptRead More
Based in Cairo, Egypt, BPO Hive LLC is a midsize telephone answering service. They focus on Call Center Services, Customer Service Outsourcing, Back Office Outsourcing, and Sales Outsourcing and were founded in 2020.
Industries
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17$10,000+250 - 999 employeesSimi Valley, CABeyond Codes Inc. Is a Sales Outsourcing company launched in 2008. They are located in Simi Valley, California; Hammersmith, England; Burnaby, Canada and Panchkula, India and have a midsize team. Their services include Sales Outsourcing, Demand Generation Marketing, Account-Based Marketing, and Email Marketing.Read More
Clients
EXLIndustries
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18$1,000+10 - 49 employeesOlympia, WASales Outsourcing company Social Bloom is located in Olympia, Washington. The small company was established in 2020. Their team focuses on Sales Outsourcing, Email Marketing, and Call Center Services.Read More
Industries
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19$1,000+1,000 - 9,999 employeesGilbert, AZBack Office Outsourcing company Unity Communications is located in Gilbert, Arizona; Taguig, Philippines; San José, Costa Rica and San Pedro Garza García, Mexico. The large company was launched in 2009. Their services include Back Office Outsourcing, Employer of Record (EOR) Services, Call Center Services, Customer Service Outsourcing, and more.Read More
Clients
ATTIndustries
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20Undisclosed1,000 - 9,999 employeesLos Angeles, CACallbox, a Sales Outsourcing company, was established in 2004. They are in Los Angeles, California; Singapore, Singapore and Ultimo, Australia and have a large team. Callbox provides Sales Outsourcing, Customer Service Outsourcing, Call Center Services, and Back Office Outsourcing.Read More
Clients
Alima TechnologiesIndustries
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21$10,000+10,000+ employeesPasig, PhilippinesRead More
Fusion BPO Services is a global business process outsourcing firm headquartered in Montreal, Canada, that was established in 2004. Their team of over 1000 employees offers voice BPO, non-voice BPO, and transcription services.
Clients
PAYTMIndustries
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22$1,000+50 - 249 employeesChicago, ILHit Rate Solutions, a call center service, is based in Chicago, Illinois and Bacolod, Philippines. The midsize team offers Call Center Services, Back Office Outsourcing, Customer Service Outsourcing, and Sales Outsourcing. The firm was founded in 2011.Read More
Clients
CleanWel SolutionsIndustries
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23$1,000+10 - 49 employeesLangley, CanadaRead More
Small Sales Outsourcing company FiveRings Marketing, is located in Langley, Canada. Founded in 2017, the team offers Sales Outsourcing, Content Marketing, and Search Engine Optimization.
Industries
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24$5,000+1,000 - 9,999 employeesLexington, KYHelpware CX is a Customer Service Outsourcing company headquartered in Lexington, Kentucky; Kyiv, Ukraine; Taguig, Philippines and Guadalajara, Mexico. The large company was established in 2015. Their services include Customer Service Outsourcing, Call Center Services, Back Office Outsourcing, Data Annotation Services, and more.Read More
Clients
PureCars Microsoft Google HealthCompIndustries
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25$1,000+1,000 - 9,999 employeesNew York, NYAppointment Setter Online is a large Sales Outsourcing company. The London, England-based agency was founded in 2010. Their team provides Sales Outsourcing, Back Office Outsourcing, and Call Center Services.Read More
Clients
TeamGanttt Slalom Consulting curotec Upfront HealthcareIndustries
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26$1,000+250 - 999 employeesPortland, ORRead More
Prialto is a leading managed staffing and BPO company led by a Wharton MBA and former McKinsey & Co executive. Headquartered in Portland, Oregon, Prialto was launched in 2008 and serves top venture capital, financial services, biotech, insurance, and real estate firms. Prialto's services include managed staffing, seamless back-office function processing, and business automation.
Clients
HeadlineIndustries
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27$1,000+2 - 9 employeesKyiv, UkraineLeading Solution is a Sales Outsourcing company. In Kyiv, Ukraine and Chicago, Illinois, their small team provides Sales Outsourcing, Market Research, and Back Office Outsourcing. The agency was established in 2016.Read More
Clients
AdobeIndustries
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28$50,000+10,000+ employeesWei Fang Shi, ChinaWelsend is a Customer Service Outsourcing company founded in 1993. They are headquartered in Wei Fang Shi, China; Taguig, Philippines; Cheng Du Shi, China and Rizhao, China and have a large team. Their services include Customer Service Outsourcing, Call Center Services, CRM consulting and SI, and Back Office Outsourcing.Read More
Industries
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29$10,000+10 - 49 employeesToronto, CanadaPurple Sales is a Sales Outsourcing company. Their small team is in Toronto, Canada. The company focuses on Sales Outsourcing, Call Center Services, CRM consulting and SI, Search Engine Optimization, and more. The company was established in 2017.Read More
Industries
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30$5,000+10 - 49 employeesLaunched in 2022, Alphoric is a Sales Outsourcing company. The small team specializes in Sales Outsourcing. The company is based in Calgary, Canada; Toronto, Canada; Tampa, Florida and Washington, District of Columbia.Read More
Industries
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