Top 100 Telecommunication Companies Call Center Services
The Best of June 2026Looking for a top telecommunication contact center?
Review this list of best call services on the market to determine the best fit for your company. Voice services companies provide value to your company: automating your client communication allows your company the flexibility to devote resources to core firm-building activities.
Check out our directory of Telecommunication Companies call centers. Browse reviews and ratings and scan by industry or specialty to find the company that's the best fit for you.
List of the Best Telecommunications Voice Services Providers on the Market
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$1,000+250 - 999 employeesOrlando, FLXACT is an Orlando, Florida-based answering service. The company offers Call Center Services, Customer Service Outsourcing, Back Office Outsourcing, and Staffing and is midsize.The company was founded in 1998.Read More
Industries
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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
Industries
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91Undisclosed2 - 9 employeesQueens Park, AustraliaMatchboard is a phone answering service located in Sydney, Australia. The small agency was founded in 2012. Their services include voice services, non-voice bpo/back office services, and HR services.Read More
Industries
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92$1,000+250 - 999 employeesClarksville, TNRead More
Premier BPO is an outsourcing firm based in Clarksville, Tennessee, that was established in 2003. Their team of 136 employees offers voice services, BPO services, and HR consulting & outsourcing.
Clients
Inc. 5000Industries
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93$1,000+50 - 249 employeesLeverage Contact Center is an Alcobaça, Portugal-based answering service company. Launched in 2018, the midsize team focuses on Call Center Services, Back Office Outsourcing, and Customer Service Outsourcing.Read More
Clients
NuvibrandsIndustries
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94$250,000+1,000 - 9,999 employeesBucurești, RomaniaConectys is a Customer Service Outsourcing company founded in 2004. Their large team is headquartered in București, Romania; Davao City, Philippines; Iloilo City, Philippines and Taipei City, Taiwan. Their services include Customer Service Outsourcing, Content Moderation Services, and Call Center Services.Read More
Industries
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95$50,000+1,000 - 9,999 employeesSan Diego, CARedial BPO Call Center is an answering service established in 2017. The agency offers Call Center Services and Customer Service Outsourcing.Read More
Clients
Soaren Management Home RunIndustries
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96$5,000+250 - 999 employeesCallboxs is an answering service company. Launched in 2005, the company is in Burgas, Bulgaria. The midsize team specializes in Call Center Services, Customer Service Outsourcing, and Back Office Outsourcing.Read More
Industries
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97$5,000+50 - 249 employeesTel Aviv-Yafo, IsraelRead More
Amiy, a sales outsourcing company, is in Tel Aviv-Yafo, Israel; Beograd, Serbia and Ho Chi Minh City, Vietnam. The firm offers sales outsourcing, customer service outsourcing, call center services, direct marketing, and more and has a midsize team.The firm was founded in 2020.
Industries
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98$5,000+50 - 249 employeesPatna, IndiaTechnosys IT Management Pvt. Ltd. Is a Demand Generation Marketing company established in 2015. They are in Patna, India; Pune, India and New Delhi, India and have a midsize team. Their services include Demand Generation Marketing, Sales Outsourcing, Call Center Services, Email Marketing, and more.Read More
Clients
Mclinic HealthtechIndustries
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99$1,000+50 - 249 employeesVision Sync Solutions is an Accounting and answering service established in 2024. The agency provides Accounting and Call Center Services and has a midsize team. The agency is based in Newark, Delaware and Bengaluru, India.Read More
Industries
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100$1,000+50 - 249 employeesNew Delhi, IndiaVRtelemarketers is an answering service company founded in 2011. Based in New Delhi, India, their midsize team provides voice services.Read More
Industries
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101$1,000+50 - 249 employeesEnglish Call Centre is a phone answering service founded in 2011. Their midsize team is in New Delhi, India. The company specializes in call center services, back office outsourcing, customer service outsourcing, and sales outsourcing.Read More
Industries
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102Undisclosed250 - 999 employeesBased in Sheridan, Wyoming and Cairo, Egypt, Cabilyt is a customer service outsourcing company. The midsize team focuses on customer service outsourcing, sales outsourcing, and call center services and was founded in 2020.Read More
Industries
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103$10,000+50 - 249 employeesTheale, EnglandClarify, a Sales Outsourcing company, was established in 2003. Their midsize team is headquartered in Theale, England and Tampa, Florida and focuses on Sales Outsourcing, Account-Based Marketing, Marketing Strategy, Direct Marketing, and more.Read More
Industries
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104$10,000+10 - 49 employeesSan Salvador, El SalvadorRead More
Callsite Solutions is a phone answering service. The small San Salvador, El Salvador-based company was launched in 2022. Their services include call center services, customer service outsourcing, back office outsourcing, and sales outsourcing.
Industries
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105$1,000+10 - 49 employeesGolem, AlbaniaDat Dat Solutions is a Golem, Albania-based call center. The firm specializes in Call Center Services, Sales Outsourcing, Back Office Outsourcing, AI Agents, and more and is small.The firm was founded in 2022.Read More
Industries
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106$5,000+2 - 9 employeesOrlando, FLEstablished in 2023, Disa Innovations is a small call center service. Their services include call center services, sales outsourcing, digital strategy, customer service outsourcing, and more. The firm is headquartered in Orlando, Florida and Santo Domingo, Dominican Republic.Read More
Industries
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107$1,000+10 - 49 employeesCape Town, South AfricaThe Weaver Group is a small Sales Outsourcing company established in 2025. Their services include Sales Outsourcing, Call Center Services, and Customer Service Outsourcing. The agency is headquartered in Cape Town, South Africa.Read More
Industries
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108Undisclosed50 - 249 employeesSydney, AustraliaRead More
Hammerjack, an accounting company, is based in Sydney, Australia. The midsize company was launched in 2015. Their services include accounting, non-voice bpo/back office services, voice services, Artificial Intelligence, and more.
Industries
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109$1,000+50 - 249 employeesDialnest PTE LTD is an answering service company. They specialize in Call Center Services, Back Office Outsourcing, Customer Service Outsourcing, and Sales Outsourcing and were established in 2023. The agency is in Singapore, Singapore and Iloilo City, Philippines.Read More
Industries
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110$1,000+1,000 - 9,999 employeesSan Jose, CARead More
LiveHelpIndia is a back office outsourcing company founded in 2006. They are headquartered in San Jose, California and have a midsize team. Their services include back office outsourcing, customer service outsourcing, and sales outsourcing.
Industries
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111$1,000+10 - 49 employeesRead More
VoiceStamps is a professional IVR hosting and design service provider based in Richardson, Texas. Founded in 1999, their now 2 person team specializes in voice services and transcription. VoiceStamps works with a variety of industries including business & financial services and healthcare.
Industries
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112$250,000+250 - 999 employeesMiramar, FLRead More
Arise is a business process outsourcing company headquartered in Miramar, Florida, with offices in Atlanta, Orlando, and Canada. Established in 1994, they have a team of about 2,000 that provides both voice and non-voice BPO/back office services.
Industries
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113$1,000+50 - 249 employeesNew Delhi, IndiaRead More
TravelsBpo, a call center company and non-voice bpo/back office services company, is located in New Delhi, India. They focus on voice services and non-voice bpo/back office services and were launched in 2011.
Industries
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114Undisclosed50 - 249 employeesRead More
Grupo Noa is a virtual inbound call center based in Pasadena, CA with a second location in Romania. Founded in 2007, they have about 30 employees that service a variety of industries including business services, telecommunications, e-commerce, and consumer services. They specialize in voice services, non-voice BPO/back office services, and transcription services.
Clients
Ideal LivingIndustries
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115Undisclosed10 - 49 employeesFrenchs Forest, AustraliaTelemarketing Professioanls is a call center based in Dee Why, Australia. Founded in 2010, the small team provides voice services.Read More
Industries
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116$25,000+50 - 249 employeesBengaluru, IndiaFounded in 2018, Westshore Bpo Pvt Ltd is a call center company. Their midsize team is located in Bengaluru, India. Their team offers voice services, business consulting, and non-voice bpo/back office services.Read More
Industries
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117$5,000+250 - 999 employeesBengaluru, IndiaCimmons Integrated Services Private Limited is a call center. The Bengaluru, India-based firm was established in 2020. Their services include Call Center Services and Customer Service Outsourcing.Read More
Clients
BOSCH | ASSETZ PROPERTY GROUP | SLICE PAY | ELECROOM | RAJALAKSHMI EDUVERSE | ADYPU | NOVA BENEFITS | BETTERHALF | AULAS | RELICELL | WDI | HOYSALA CAABZ | BRAIN TREE GAMES | BOSCH HONDA | QWIKCILVERIndustries
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118$1,000+250 - 999 employeesRead More
Growthonics is a marketing firm founded in London in 2014. With over 1,000 members, they offer email marketing and business consulting solutions to small and mid-market agencies in the field of business services.
Clients
Panasonic, TimeOut, Twitter, TimeInc, Spotify, American Express, TM Lewin, Creditsafe, JustEat, City Panty, Wonderful, Startupbootcamp, Quantcast, Big Ideas Machine, Ascent, Hussle, Doordash, Dale Carnegie, TOG, JustPark, FontevaIndustries
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119$100,000+10 - 49 employeesSingapore, SingaporeRead More
Swivelt is a Singapore-based marketing and digital strategy company that was founded in 2018. They also offer business consulting, HR, and voice services. They primarily work with midmarket businesses in the advertising, e-commerce, and business services industries.
Clients
NetAppIndustries
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120Undisclosed2 - 9 employeesWien, AustriaHeadquartered in Wien, Austria, BizXpand is an Account-Based Marketing company. The company offers Account-Based Marketing and Sales Outsourcing and is small.The company was launched in 2010.Read More
Industries
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