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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1621Undisclosed2 - 9 employeesRevenueFlow is a Sales Outsourcing company. They were founded in 2023 and provide Sales Outsourcing.Read More
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1622$5,000+50 - 249 employeesFlexxvoice is a call center company established in 2022. Headquartered in Antwerpen, Belgium and Rijswijk, Netherlands, the team specializes in Call Center Services and Sales Outsourcing.Read More
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1623$250,000+50 - 249 employeesGilela Marketing is an answering service. They provide Call Center Services and AI Agents and were established in 2008.Read More
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1624$1,000+2 - 9 employeesSmall Sales Outsourcing company close one, is located in Schmallenberg, Germany. The team focuses on Sales Outsourcing.Read More
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1625$1,000+10 - 49 employeesMontréal, CanadaALLO CALL is a call center company headquartered in Montréal, Canada. They provide Call Center Services and Customer Service Outsourcing and were launched in 2010.Read More
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1626Undisclosed10 - 49 employeesFounded in 2019, Pop Up Stands Dubai is a Sales Outsourcing company. The small team offers Sales Outsourcing and Customer Service Outsourcing.Read More
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1627$1,000+2 - 9 employeesFounded in 2025, Aplex Group is a Sales Outsourcing company. The company offers Sales Outsourcing and Call Center Services, and is small.Read More
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1628$5,000+10 - 49 employeesOppify is a Sales Outsourcing company based in New York, New York. Established in 2022, the team specializes in Sales Outsourcing.Read More
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1629Undisclosed250 - 999 employeesCebu City, PhilippinesAmeeratel is a Back Office Outsourcing company launched in 2012. The agency provides Back Office Outsourcing and Call Center Services, and is midsize.Read More
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1630$1,000+10 - 49 employeesPark Ridge, ILAnswering service Signius Communications was launched in 1994. The company offers Call Center Services and Customer Service Outsourcing.Read More
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1631Undisclosed50 - 249 employeesShandong Zhishun Network Technology Co., Ltd. Is a midsize web design company. The Linyi, China-based company was founded in 2009. Their team provides web design, web development, mobile app development, e-commerce development, and more.Read More
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1632Undisclosed50 - 249 employeesLapu-Lapu City, PhilippinesKudo Support, Inc. Is a Back Office Outsourcing and call center service established in 2008. The midsize team focuses on Back Office Outsourcing and Call Center Services.Read More
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1633$1,000+50 - 249 employeesLongparish, EnglandBandwagon Telemarketing Ltd is a telephone answering service. The Longparish, England-based agency provides Call Center Services and CRM consulting and SI.Read More
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1634$1,000+50 - 249 employeesRawalpindi, PakistanEurosHub is a graphic design company based in Rawalpindi, Pakistan. Their services include Graphic Design and Back Office Outsourcing.Read More
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1635$10,000+10 - 49 employeesBath, EnglandBranch Growth, a Sales Outsourcing company, was launched in 2005. The company specializes in Sales Outsourcing and Marketing Strategy, and is small.Read More
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1636$1,000+50 - 249 employeesRead More
Octachat is an outsourcing agency based in Sarasota, Fla. Their small team of 7 specializes in BPO and voice services for primarily clients in the advertising industry.
Clients
Fair Property BuyersIndustries
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1637Undisclosed50 - 249 employeesDhaka, BangladeshLaunched in 2011, Impel Service & Solutions Limited (ISSL) is a midsize Customer Service Outsourcing company. Their team provides Customer Service Outsourcing and Custom Software Development.Read More
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1638Undisclosed50 - 249 employeesDhaka, BangladeshTeleConsult Group (TCG), a software development company, specializes in Custom Software Development and Back Office Outsourcing. The agency is based in Dhaka, Bangladesh.Read More
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1639$1,000+2 - 9 employeesWest Hartford, CTFounded in 1995, Universal Connectivity is a cloud consulting & SI company. The team offers cloud consulting & SI and unified communications consulting & SI.Read More
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1640Undisclosed10 - 49 employeesCMS is a small Columbus, Ohio-based answering service company. Their services include Call Center Services and Customer Service Outsourcing.Read More
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1641$1,000+Freelancer employeesSzczecin, PolandMarcinKowalik.online is a phone answering service. Located in Szczecin, Poland, the firm was founded in 2014. Their services include Call Center Services and Sales Outsourcing.Read More
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1642Undisclosed10 - 49 employeesLos Angeles, CABased in Los Angeles, California, Tel-Us Call Center is a small call center. The team specializes in Call Center Services and Customer Service Outsourcing.Read More
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1643$1,000+10 - 49 employeesDRV consultoría comercial is a Sales Outsourcing company. The València, Spain-based agency was established in 2010. Their team specializes in Sales Outsourcing and Account-Based Marketing.Read More
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1644$1,000+10 - 49 employeesBeckenham, EnglandGregory Micallef Associates is an IT managed services company. They offer IT managed services and Call Center Services and were launched in 1992.Read More
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1645Undisclosed2 - 9 employeesGranollers, SpainCerrajeros Granollers SL is a Sales Outsourcing company in Granollers, Spain. They specialize in Sales Outsourcing and Direct Marketing and were founded in 2022.Read More
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1646$1,000+2 - 9 employeesLaunched in 2019, Solnfy Agency is a small Sales Outsourcing company. Their team offers Sales Outsourcing and Email Marketing.Read More
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1647$1,000+2 - 9 employeesBoost Hero is a Sales Outsourcing company located in Bogota, Colombia. They offer Sales Outsourcing, Marketing Strategy, Demand Generation Marketing, and Email Marketing and were launched in 2025.Read More
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1648$1,000+50 - 249 employeesSan Jose, CARPM BPO is a call center company. Their midsize team is in San Jose, California. The firm offers call center services, back office outsourcing, customer service outsourcing, and sales outsourcing.Read More
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1649$1,000+250 - 999 employeesAqaba, JordanCall center company IconiCS Group is in Amman, Jordan and Aqaba, Jordan. The firm focuses on call center services, content moderation services, customer service outsourcing, social media marketing, and more and is midsize.The firm was founded in 2021.Read More
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1650$5,000+50 - 249 employeesLondon, EnglandMaverick Velocity is a sales outsourcing company established in 2015. The company offers sales outsourcing and has a midsize team.Read More
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Connect with a Call Centers that received the most new reviews in the past 12 months.
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