Top 100 Call Center Services
The Best of December 2025
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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$1,000+250 - 999 employeesOrlando, FLRead More
Answering service company XACT was founded in 1998. Their midsize team is in Orlando, Florida and Unity, Maine. XACT focuses on Call Center Services, Customer Service Outsourcing, Sales Outsourcing, Back Office Outsourcing, and 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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4141Undisclosed1,000 - 9,999 employeesUdaipur, IndiaFiveS Digital, a call center company, offers Call Center Services and Back Office Outsourcing. The company is based in Udaipur, India.Read More
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4142Undisclosed10 - 49 employeesCherry Hill, NJRex Direct Net, Inc. Is an answering service company. Launched in 2001, the firm provides Call Center Services and Customer Service Outsourcing.Read More
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4143Undisclosed2 - 9 employeesMississauga, CanadaData Axle, Inc is a Sales Outsourcing company located in Mississauga, Canada. They offer Sales Outsourcing and Content Moderation Services and were founded in 1972.Read More
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4144Undisclosed250 - 999 employeesResponse BPO, a telephone answering service, was launched in 2011. The team offers Call Center Services and is in London, England.Read More
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4145Undisclosed10 - 49 employeesCity of London, EnglandLEADSCALE ENGINE is a Sales Outsourcing company established in 2004. Based in City of London, England, the team specializes in Sales Outsourcing and Fulfillment.Read More
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4146Undisclosed10 - 49 employeesToronto, CanadaREALQualified Inc., a Sales Outsourcing company, was launched in 2020. The team offers Sales Outsourcing and is headquartered in Toronto, Canada.Read More
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4147Undisclosed10 - 49 employeesSan Francisco, CARainmakers , a Sales Outsourcing company, was established in 2017. They offers Sales Outsourcing.Read More
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4148Undisclosed10 - 49 employeesVancouver, CanadaLaunched in 2011, Predictable Revenue™ Inc. Is a telephone answering service. The company specializes in Call Center Services and Sales Outsourcing, and is small.Read More
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4149Undisclosed250 - 999 employeesFort Worth, TXSlingshot by WorkWave is a midsize CRM consulting and SI and answering service company based in Fort Worth, Texas. Their services include CRM consulting and SI and Call Center Services.Read More
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4150Undisclosed10 - 49 employeesSingaporeLeadSniper is a Sales Outsourcing company. They are in Singapore and have small team. Their team provides Sales Outsourcing and Call Center Services.Read More
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4151Undisclosed50 - 249 employeesPune, IndiaSquaristic Media LLP is a midsize Sales Outsourcing company based in Pune, India. Their services include Sales Outsourcing.Read More
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4152Undisclosed10 - 49 employeesMiddletown, DEAV IT Business Solution Pvt. Ltd. Is a Middletown, Delaware-based Sales Outsourcing company. They specialize in Sales Outsourcing and Market Research and were founded in 2019.Read More
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4153Undisclosed50 - 249 employeesAlleyoop is an Email Marketing and Sales Outsourcing company launched in 2008. The company focuses on Email Marketing and Sales Outsourcing, and is midsize.Read More
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4154Undisclosed2 - 9 employeesBressenden Group is a Sales Outsourcing company. The London, England-based firm specializes in Sales Outsourcing.Read More
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4155Undisclosed2 - 9 employeesBerlin, GermanyCall center service Artificial Link offers Call Center Services and Sales Outsourcing. They are based in Berlin, Germany.Read More
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4156Undisclosed50 - 249 employeesIndependence, OHEverConnect, a Marketing Strategy and Sales Outsourcing company, was founded in 2011. In Independence, Ohio, the team offers Marketing Strategy and Sales Outsourcing.Read More
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4157Undisclosed10 - 49 employeesHorsham, EnglandStrategicabm is a Sales Outsourcing company. In Horsham, England, the agency was founded in 1995. Their services include Sales Outsourcing and CRM consulting and SI.Read More
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4158Undisclosed50 - 249 employeesPrague, Czech RepublicLeadspicker is a midsize Business Consulting and Sales Outsourcing company. Launched in 2015, the team focuses on Business Consulting and Sales Outsourcing.Read More
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4159Undisclosed10 - 49 employeesOrpington, EnglandThe Linked People, a small Sales Outsourcing company, is headquartered in Orpington, England. The team focuses on Sales Outsourcing.Read More
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4160Undisclosed10 - 49 employeesLas Vegas, NVPower Fusion Media is a Sales Outsourcing company. The agency is headquartered in Las Vegas, Nevada. Their team specializes in Sales Outsourcing.Read More
Industries
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4161Undisclosed250 - 999 employeesMachelen, BelgiumWEngage, an answering service, was launched in 1986. The midsize team provides Call Center Services and Back Office Outsourcing.Read More
Industries
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4162Undisclosed50 - 249 employeesToronto, CanadaGlobalfaces Direct is a call center launched in 2012. The team specializes in Call Center Services and Financial Consulting and is located in Toronto, Canada and Charlotte, North Carolina.Read More
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4163Undisclosed10 - 49 employeesAlkmaar, NetherlandsVirtual Efficiency is a phone answering service. The Alkmaar, Netherlands-based agency focuses on Call Center Services.Read More
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4164Undisclosed10 - 49 employeesLoosdrecht, NetherlandsHeadquartered in Loosdrecht, Netherlands, Virtufy is a small answering service company. Their services include Call Center Services.Read More
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4165Undisclosed10 - 49 employeesSchagen, NetherlandsVA Buro is a telephone answering service in Schagen, Netherlands. The team specializes in Call Center Services.Read More
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4166Undisclosed2 - 9 employeesVirtual Secretary Assistant, a small telephone answering service, is headquartered in Netherlands. Their services include Call Center Services.Read More
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4167Undisclosed2 - 9 employeesHoorn, NetherlandsVaart | Antwoordservice, Klantenservice & Virtual Assistants is a small Hoorn, Netherlands-based phone answering service. The team focuses on Call Center Services.Read More
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4168Undisclosed2 - 9 employeesVoorschoten, NetherlandsDG Business Support is an answering service. Their small team is based in Voorschoten, Netherlands. Their services include Call Center Services.Read More
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4169Undisclosed2 - 9 employeesZeist, NetherlandsHeadquartered in Zeist, Netherlands, VA4u - de Virtual Assistant voor jou is a small telephone answering service. The team offers Call Center Services.Read More
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4170Undisclosed2 - 9 employeesSAN Virtual Assistant is an answering service. The team is headquartered in Netherlands, and their services include Call Center Services.Read More
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