Top 100 Call Center Services
The Best of October 2026
Outsourced call center services refer to handling incoming and outgoing calls on behalf of businesses to support functions such as customer service, lead generation, and appointment setting. Call center services are crucial to ensuring customers have a positive experience with their business before, during, and after purchasing. Investing in quality call center solutions is important for timely responses to key stakeholders, gathering feedback, and understanding customer preferences.
Call centers are a type of BPO that focuses on training and hiring dedicated agents who can handle customer inquiries, resolve customer issues and complaints, and provide technical support. They contribute to businesses' productivity and long-term success, allowing them to focus on core functions while managing customers professionally and efficiently.
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List of the Best Voice Services Providers on the Market
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$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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$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
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6721UndisclosedFreelancer employeesDelhi, IndiaOptimal Lists is an Advertising company. The firm is based in Delhi, India. Their services include Advertising and Email Marketing.Read More
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6722$1,000+2 - 9 employeesBiscayne Park, FLBased in Dehradun, India and Biscayne Park, Florida, aanpriglobal is a small IT strategy consulting company. Launched in 2023, the team focuses on IT strategy consulting, IT staff augmentation, Business Consulting, and Call Center Services.Read More
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6723$1,000+250 - 999 employeesAustin, TXConsero is a Back Office Outsourcing company in Austin, Texas and Boston, Massachusetts. They offer Back Office Outsourcing and Call Center Services and were founded in 2006.Read More
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6724$1,000+250 - 999 employeesMontreal, CanadaGexel Telecom is a Customer Service Outsourcing company. They offer Customer Service Outsourcing and Back Office Outsourcing and were launched in 1998.Read More
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6725$1,000+250 - 999 employeesToronto, CanadaInnovative Vision is a midsize Customer Service Outsourcing company. Launched in 2002, the team focuses on Customer Service Outsourcing and Back Office Outsourcing.Read More
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6726$1,000+250 - 999 employeesLos Angeles, CAAllzone Management Solutions is a Back Office Outsourcing company. Headquartered in Los Angeles, California, their team offers Back Office Outsourcing and Call Center Services.Read More
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6727Undisclosed2 - 9 employeesTranslaro Language Services SRL is a Translation company. They are in Bucharest, Romania and have small team. Their team specializes in Translation and Call Center Services.Read More
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6728$1,000+250 - 999 employeesVitry-sur-Seine, FranceATALIAN Interactive is a Back Office Outsourcing company established in 2008. The company specializes in Back Office Outsourcing and Sales Outsourcing, and is midsize.Read More
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6729Undisclosed250 - 999 employeesMeilen, SwitzerlandMS Direct AG is a Meilen, Switzerland-based call center service. Established in 1978, the team offers Call Center Services and CRM consulting and SI.Read More
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6730Undisclosed250 - 999 employeesLos Angeles, CACall center company iProspex was established in 2004. The agency specializes in Call Center Services and Email Marketing.Read More
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6731Undisclosed250 - 999 employeesUmhlanga, South AfricaOutworx Contact Centre is an Umhlanga, South Africa-based answering service. Their services include Call Center Services and Robotics Process Automation.Read More
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6732Undisclosed250 - 999 employeesঢাকা, BangladeshMY Outsourcing Limited is a call center company. Their midsize team of employees is headquartered in ঢাকা, Bangladesh. Their team provides Call Center Services and Back Office Outsourcing.Read More
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6733Undisclosed250 - 999 employeesDhaka, BangladeshService Solutions Pvt. Ltd. (SSL) is a social media marketing firm founded in 2008. The agency provides Social Media Marketing and Application Testing.Read More
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6734Undisclosed250 - 999 employeesMobridge, SDTelephone answering service One World Direct was founded in 1994. The team specializes in Call Center Services and Back Office Outsourcing.Read More
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6735$1,000+2 - 9 employeesLumlee, an Email Marketing company, is in Dhaka, Bangladesh. They offer Email Marketing and Social Media Marketing.Read More
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6736Undisclosed250 - 999 employeesIstanbul, TürkiyeETB Group is a Back Office Outsourcing company. Their team is based in Istanbul, Türkiye. The agency offers Back Office Outsourcing and Call Center Services.Read More
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6737Undisclosed250 - 999 employeesLexington, MALaunched in 1996, iBasis is a midsize IoT development company. Their services include IoT development and Call Center Services.Read More
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6738Undisclosed250 - 999 employeesLos Angeles, CACenterField is a phone answering service. Their midsize team is in Los Angeles, California. Their services include Call Center Services and E-Commerce Development.Read More
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6739Undisclosed250 - 999 employeesSu Qian Shi, ChinaJiangsu Surebon Service Outsourcing Group Co., Ltd. Is a midsize telephone answering service. Established in 2008, the team offers Call Center Services and Back Office Outsourcing.Read More
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6740Undisclosed250 - 999 employeesShanghai, ChinaLaunched in 2015, HKT Teleservices (Shanghai) Co.Ltd. Is an answering service. The company offers Call Center Services and Branding, and is midsize.Read More
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6741$1,000+2 - 9 employeesSan Francisco, CASales Outsourcing company Lavendo was founded in 2021. The team specializes in Sales Outsourcing and Staffing and is based in San Francisco, California.Read More
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6742Undisclosed250 - 999 employeesNorthbrook, ILAppletree Answers is a Back Office Outsourcing company. Founded in 1995, their team focuses on Back Office Outsourcing and Call Center Services.Read More
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6743Undisclosed250 - 999 employeesTianjin, ChinaHeadquartered in Tianjin, China, Transcosmos Information Creative (China) Co., Ltd. Is a web design company. The team specializes in Web Design and IT strategy consulting.Read More
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6744Undisclosed250 - 999 employeesCleveland, OHLaunched in 1993, Revenue Group is a Business Consulting company. The company provides Business Consulting and Call Center Services, and is midsize.Read More
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6745Undisclosed250 - 999 employeesMadrid, SpainDigiltea is a telephone answering service. Founded in 2020, the team offers Call Center Services and Back Office Outsourcing. The company is located in Madrid, Spain.Read More
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6746Undisclosed250 - 999 employeesRotterdam, NetherlandsGDCC (Global Data Collection Company), a midsize Market Research company, is based in Rotterdam, Netherlands and Cincinnati, Ohio. Their services include Market Research and Call Center Services.Read More
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6747Undisclosed250 - 999 employeesLaconia, NHLaunched in 2017, Kanekt 365 is a Customer Service Outsourcing company. Their team provides Customer Service Outsourcing and Call Center Services.Read More
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6748Undisclosed250 - 999 employeesBeijing Jiuzhong Tianxia Technology Service Co., Ltd. Is a Customer Service Outsourcing company established in 2013. The company focuses on Customer Service Outsourcing and Call Center Services.Read More
Clients
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6749Undisclosed250 - 999 employeesHyderabad, IndiaCorpOne BPO, a phone answering service, was established in 2005. Based in Hyderabad, India, the team provides Call Center Services and Back Office Outsourcing.Read More
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6750Undisclosed250 - 999 employeesTirana, AlbaniaLaunched in 2009, We Are Fiber is a midsize telephone answering service. Their services include Call Center Services and Back Office Outsourcing.Read More
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