Top 100 Outbound Call Centers Services
The Best of October 2026Looking for a top outbound call center services company?
Review our list to find the best outbound call centers for your company's needs. Searching for and vetting potential partners is an exhausting process.
That's why we've created this list of the best outbound call centers 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 Outbound Call Centers
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1$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.
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Nvidia General Electric Zendesk UC BerkeleyIndustries
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2$1,000+250 - 999 employeesOakville, CanadaMartal Group is an answering service. They are located in Oakville, Canada; San Francisco, California and Uniondale, New York and have a midsize team that provides Call Center Services, Sales Outsourcing, and Email Marketing. The agency was launched in 2009.Read More
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BoschIndustries
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3$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
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ATTIndustries
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4$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.
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HeadlineIndustries
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5Undisclosed1,000 - 9,999 employeesLos Angeles, CACallbox is a large Sales Outsourcing company based in Los Angeles, California; Singapore, Singapore; Ultimo, Australia and Medellín, Colombia. Launched in 2004, the team offers Sales Outsourcing, Customer Service Outsourcing, Back Office Outsourcing, and Call Center Services.Read More
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Alima TechnologiesIndustries
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6$1,000+250 - 999 employeesSt. Louis, MOAbstrakt is a St. Louis, Missouri-based Sales Outsourcing company. The midsize team provides Sales Outsourcing, Content Marketing, and Web Design. The firm was launched in 2009.Read More
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7$5,000+50 - 249 employeesLaguna Beach, CALevelUp Leads is a Sales Outsourcing company. They are headquartered in Laguna Beach, California and Laguna Beach, California and have a midsize team. Their services include Sales Outsourcing, Call Center Services, and Email Marketing.Read More
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8$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
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DirecTVIndustries
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9$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
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AkridataIndustries
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10$5,000+1,000 - 9,999 employeesCebu City, PhilippinesLaunched in 2008, Select VoiceCom is a call center. They are in Cebu City, Philippines; Davao City, Philippines and Savannah, Georgia and have a large team. The company focuses on Call Center Services, Customer Service Outsourcing, Sales Outsourcing, Finance & Accounting Outsourcing (FAO), and more.Read More
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11$5,000+50 - 249 employeesOlympia, WABased in Olympia, Washington, Social Bloom is a Sales Outsourcing company. The midsize company was established in 2020. Their services include Sales Outsourcing, Email Marketing, and Call Center Services.Read More
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12$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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13$1,000+50 - 249 employeesBerkeley, CARead 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.
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14$10,000+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.
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15$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.
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AmazonIndustries
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16$1,000+1,000 - 9,999 employeesNew York, NYAppointment Setter Online is a large Sales Outsourcing company. They offer Sales Outsourcing, Back Office Outsourcing, and Call Center Services and were established in 2010.Read More
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TeamGanttt Slalom Consulting curotec Upfront HealthcareIndustries
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17Undisclosed250 - 999 employeesRead More
Smith.ai is a virtual receptionist and lead intake services company located in Palo Alto, Calif. Founded in 2015, they employ over 100 staff specializing in live calls and website chat for small and mid-market companies, typically in legal, hospitality, finance, e-commerce, healthcare, and real estate. Services include AI chatbots, live chat, conversion optimization, and virtual receptionists.
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Hacking Law PracticeIndustries
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18$1,000+10 - 49 employeesHorsham , EnglandSales Outsourcing company Virtual Sales Limited is in Horsham , England. The company focuses on Sales Outsourcing and Call Center Services and is small.The company was established in 2001.Read More
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19$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
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PureCars Microsoft Google HealthCompIndustries
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20$10,000+10 - 49 employeesToronto, CanadaLocated in Toronto, Canada and New York, New York, Purple Sales is a small Sales Outsourcing company. Founded in 2017, the team specializes in Sales Outsourcing, Call Center Services, CRM consulting and SI, Search Engine Optimization, and more.Read More
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21$5,000+250 - 999 employeesAustin, TXLaunched in 2006, EBQ is a midsize Sales Outsourcing company. Their team focuses on Sales Outsourcing, Email Marketing, CRM consulting and SI, Other Digital Marketing, and more. The company is based in Austin, Texas.Read More
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22Undisclosed10 - 49 employeesKing of Prussia, PASpecialty Answering Service is a small call center. They specialize in Call Center Services and Customer Service Outsourcing and were founded in 1985. The company is in King of Prussia, Pennsylvania.Read More
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23$5,000+1,000 - 9,999 employeesKyiv, UkraineEverhelp, a Customer Service Outsourcing company, was founded in 2021. The large Warszawa, Poland-based team specializes in Customer Service Outsourcing, Back Office Outsourcing, Call Center Services, and Sales Outsourcing.Read More
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24$5,000+10 - 49 employeesDover, DEFunnel Bakers is a small Dover, Delaware-based Sales Outsourcing company. Established in 2019, the team provides Sales Outsourcing, Email Marketing, and CRM consulting and SI.Read More
Clients
PodeanIndustries
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25$10,000+50 - 249 employeesTheale, EnglandClarify is a Sales Outsourcing company. The midsize Tampa, Florida-based firm was founded in 2003. Their services include Sales Outsourcing, Account-Based Marketing, Demand Generation Marketing, Marketing Strategy, and more.Read More
Clients
Paypal Adobe SAPIndustries
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26$1,000+250 - 999 employeesBucurești, RomaniaValoris Center is a midsize call center. They provide Call Center Services, Customer Service Outsourcing, CRM consulting and SI, and Back Office Outsourcing and were launched in 2006.Read More
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27$10,000+10 - 49 employeesParis, FranceSalesGent is a small Paris, France-based Sales Outsourcing company. Founded in 2019, the team specializes in Sales Outsourcing.Read More
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ZymplifyIndustries
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28$1,000+250 - 999 employeesOrlando, FLXACT, an answering service company, was founded in 1996. Their midsize team is in Orlando, Florida and Unity, Maine. The agency specializes in Call Center Services, Customer Service Outsourcing, Back Office Outsourcing, and Staffing.Read More
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Culinary Institute of AmericaIndustries
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29$1,000+250 - 999 employeesDoylestown, PAHelpSquad, a Back Office Outsourcing company, is located in Doylestown, Pennsylvania. They offer Back Office Outsourcing, Call Center Services, and Customer Service Outsourcing and were founded in 2015.Read More
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Slinger BagIndustries
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30$1,000+50 - 249 employeesSofia, BulgariaMarKam Solutions is a call center company. Their midsize team is in Sofia, Bulgaria and offers Call Center Services, Customer Service Outsourcing, Sales Outsourcing, IT managed services, and more. The agency was established in 2021.Read More
Industries
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