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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List of the Best Voice Services Providers on the Market
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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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901$1,000+2 - 9 employeesUndisclosedBusiness consulting company Comentorship is located in. The small team focuses on business consulting, sales outsourcing, and corporate training & coaching. The company was established in 2022.Read More
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902Undisclosed2 - 9 employeesAlbuquerque, NMOffice Alternatives is an Albuquerque, New Mexico-based phone answering service. Established in 2005, the team focuses on Call Center Services and Commercial Property Management.Read More
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903$1,000+Freelancer employeesPropelr Agency is a Digital Strategy company. Their small team is based in London, England. Their services include Digital Strategy, Social Media Marketing, Email Marketing, Search Engine Optimization, and more. The company was established in 2023.Read More
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904$1,000+2 - 9 employeesIntely Tech is a marketing strategy company launched in 2017. Located in Dubai, United Arab Emirates, their small team provides marketing strategy, digital strategy, sales outsourcing, demand generation marketing, and more.Read More
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905$1,000+50 - 249 employeesAngeles, PhilippinesEstablished in 2016, ShoreAgents is a call center. Located in Angeles, Philippines, the team provides Call Center Services and Back Office Outsourcing.Read More
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906$1,000+2 - 9 employeesLawrenceville, GAVoice Overs in SPanish is a Lawrenceville, Georgia-based call center. Their services include Call Center Services.Read More
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907Undisclosed10 - 49 employeesSoftcare Infotech - API Services Provider Company is a Sales Outsourcing company launched in 2016. Their team offers Sales Outsourcing and Market Research.Read More
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908$10,000+10 - 49 employeesWilmington, DEFingerLinks Infotech LLC, a phone answering service, is located in Wilmington, Delaware and Coonoor, India. The team focuses on Call Center Services and Transcription.Read More
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909$1,000+50 - 249 employeesVaughan, Canada3C Contact Services , a midsize phone answering service, is based in Vaughan, Canada. Their services include Call Center Services and Customer Service Outsourcing.Read More
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910Undisclosed50 - 249 employeesSwindon, EnglandWoven Solutions Ltd is a phone answering service. They are located in Swindon, England and have midsize team. Their services include Call Center Services.Read More
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911Undisclosed250 - 999 employeesJakarta, IndonesiaINFOMEDIA NUSANTARA is a Jakarta, Indonesia-based Customer Service Outsourcing company. They provide Customer Service Outsourcing and Call Center Services and were established in 1984.Read More
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912$1,000+50 - 249 employeesPhoenix, AZESA Fabrication is a Sales Outsourcing company headquartered in Phoenix, Arizona and Phoenix, Arizona. Launched in 2015, the team offers Sales Outsourcing.Read More
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913Undisclosed10,000+ employeesZagreb, CroatiaFounded in 2007, Mplus is a call center company. Their team provides Call Center Services and Artificial Intelligence.Read More
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914$5,000+10 - 49 employeesEnschede, NetherlandsDe Leadopvolgers, an answering service company and Sales Outsourcing company, was founded in 2021. The agency offers Call Center Services and Sales Outsourcing.Read More
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915$1,000+2 - 9 employeesVilnius, LithuaniaLava sales, a Sales Outsourcing company, is in Vilnius, Lithuania. The team specializes in Sales Outsourcing.Read More
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916Undisclosed10 - 49 employeesDrayton Valley, CanadaIntercon Messaging Inc. Is a call center company. They were launched in 1996, and their services include Call Center Services and Customer Service Outsourcing.Read More
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917$1,000+10 - 49 employeesGlendale, CASocial media marketing company WebStax Studio is in Glendale, California. They offer Social Media Marketing, Search Engine Optimization, Pay Per Click, Web Design, and more and were launched in 2011.Read More
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918$5,000+10 - 49 employeesHeadquartered in Islamabad, Pakistan, Extreme BPO is an answering service. Launched in 2011, the team focuses on Call Center Services and Search Engine Optimization.Read More
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919Undisclosed50 - 249 employeesMedAtlantic-Tell is a Tangier, Morocco-based call center company. They specialize in Call Center Services and Customer Service Outsourcing and were founded in 2018.Read More
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920$1,000+10 - 49 employeesPort Washington, NYRead More
Blue Zebra Appointment Setting is a lead generation agency based in Port Washington, N.Y. Since 1989, their team of fewer than 10 works with clients in different industries like business and financial services and healthcare.
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King PlasticsIndustries
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921$1,000+50 - 249 employeesPimpri-Chinchwad, IndiaS Four Media, a telephone answering service, is located in Pimpri-Chinchwad, India. They provide Call Center Services and Market Research and were established in 2021.Read More
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922Undisclosed10 - 49 employeesKöln, GermanyTENIOS GmbH is an answering service. The Köln, Germany-based agency was launched in 2001. Their services include Call Center Services and Customer Service Outsourcing.Read More
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923$1,000+10 - 49 employeesDhaka, BangladeshAbridge is a Sales Outsourcing company in Dhaka, Bangladesh and West Miami, Florida. They provide Sales Outsourcing and Web Design.Read More
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924Undisclosed2 - 9 employeesKingston upon Hull, EnglandThe Call Answering Company is an answering service. The team focuses on Call Center Services, and the company is based in Kingston upon Hull, England.Read More
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925$1,000+50 - 249 employeesRead More
Extended Presence is a sales outsourcing and lead generation company based in Denver. Since 2002, their team of 21 has been specializing in voice services for clients in various industries such as information technology, education, financial services, and others.
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OracleIndustries
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926$1,000+10 - 49 employeesRead More
onebox is a voice services and transportation company based in the United Kingdom. Founded in 2000, their team of 30 serves clients in the real estate and financial services sectors. Services include voice and call center efforts.
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927$1,000+2 - 9 employeesSales Outsourcing company Five Element was founded in 2022. The team provides Sales Outsourcing and is based in Dubai, United Arab Emirates.Read More
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928$1,000+50 - 249 employeesHyderabad, IndiaGrow Your Staff, a Business Consulting and phone answering service, was launched in 2017. The team provides Business Consulting and Call Center Services and is located in Hyderabad, India.Read More
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929$1,000+50 - 249 employeesRutherford, NJSEO services firm Remote Resource LLC was founded in 2022. Their midsize team is based in New York, New York and Rutherford, New Jersey. Their services include Search Engine Optimization, Pay Per Click, Custom Software Development, Web Development, and more.Read More
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930Undisclosed250 - 999 employeesBalaclava, AustraliaAway Digital Teams is a Balaclava, Australia-based Back Office Outsourcing company. Established in 2016, the team offers Back Office Outsourcing and IT staff augmentation.Read More
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