Top 100 Telecommunication Companies Call Center Services

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Top 100 Telecommunication Companies Call Center Services

The Best of December 2025

Looking 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. 

Jump to Most Reviewed Companies

List of the Best Telecommunications Voice Services Providers on the Market

  • 91
    (2 Reviews) 4.8

    Timeliness

    4.8

    Service Excellence

    4.8

    Value

    4.8

    Would Recommend

    4.5
    $250,000+
    1,000 - 9,999 employees
    București, Romania
    Conectys 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.
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    Industries

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  • 92
    (0 Reviews)

    Not yet reviewed.

    $50,000+
    1,000 - 9,999 employees
    San Diego, CA
    Redial BPO Call Center is an answering service established in 2017. The agency offers Call Center Services and Customer Service Outsourcing.
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    Clients

    Soaren Management Home Run

    Industries

  • 93
    (4 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    4.8

    Would Recommend

    5.0
    $5,000+
    250 - 999 employees
    Burgas, Bulgaria

    Callboxs is a business consulting company. Their midsize team is headquartered in Burgas, Bulgaria. The company provides business consulting, direct marketing, voice services, non-voice bpo/back office services, and more.

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    Industries

  • 94
    (1 Reviews) 4.5

    Timeliness

    5.0

    Service Excellence

    4.5

    Value

    4.5

    Would Recommend

    5.0
    $5,000+
    50 - 249 employees
    Tel Aviv-Yafo, Israel

    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.

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    Industries

  • 95
    (2 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    50 - 249 employees
    New Delhi, India
    VRtelemarketers is an answering service company founded in 2011. Based in New Delhi, India, their midsize team provides voice services.
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    Industries

  • 96
    (11 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    4.9

    Would Recommend

    5.0
    Undisclosed
    250 - 999 employees
    Based 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.
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    Industries

  • 97
    (1 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $5,000+
    50 - 249 employees
    Patna, India
    Technosys 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.
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    Clients

    Mclinic Healthtech

    Industries

  • 98
    (2 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    50 - 249 employees
    English 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.
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    Industries

  • 99
    (1 Reviews) 4.5

    Timeliness

    4.5

    Service Excellence

    4.0

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    250 - 999 employees
    Princeton, NJ
    Express Virtual Assistant is a call center and back office outsourcing company established in 2004. Their midsize team is in Princeton, New Jersey. Their services include call center services and back office outsourcing.
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    Industries

  • 100
    (1 Reviews) 4.0

    Timeliness

    3.5

    Service Excellence

    4.0

    Value

    4.5

    Would Recommend

    4.5
    $1,000+
    250 - 999 employees
    Ahmedabad, India

    Ecosmob Technologies Pvt. Ltd. is a custom software development and artificial intelligence company based in Ahmedabad, India. Founded in 2006, this company has a team of over 200 employees. Services provided by Ecosmob Technologies Pvt. Ltd. include mobile app development, AI, and custom software development.

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    Clients

    HopOn India

    Industries

  • 101
    (1 Reviews) 5.0

    Timeliness

    4.5

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $10,000+
    10 - 49 employees
    San Salvador, El Salvador

    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.

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    Industries

  • 102
    (4 Reviews) 4.8

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    4.9

    Would Recommend

    5.0
    $1,000+
    50 - 249 employees
    New Delhi, India

    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.

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    Industries

  • 103
    (4 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $5,000+
    2 - 9 employees
    Orlando, FL
    Established 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.
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    Industries

  • 104
    (3 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    4.8

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    50 - 249 employees
    Dialnest 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.
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    Industries

  • 105
    (2 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    Undisclosed
    50 - 249 employees
    Sydney, Australia

    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.

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    Industries

  • 106
    (1 Reviews) 4.5

    Timeliness

    5.0

    Service Excellence

    4.5

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    1,000 - 9,999 employees
    San Jose, CA

    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.

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    Industries

  • 107
    (1 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    4.5

    Would Recommend

    4.5
    $1,000+
    10 - 49 employees

    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.

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    Industries

  • 108
    (3 Reviews) 4.7

    Timeliness

    4.3

    Service Excellence

    4.3

    Value

    4.5

    Would Recommend

    4.7
    $250,000+
    250 - 999 employees
    Miramar, FL

    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.

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    Industries

  • 109
    (1 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    Undisclosed
    2 - 9 employees
    Lead Avenger is a small Sales Outsourcing company. Founded in 2022, the team specializes in Sales Outsourcing, Direct Marketing, Email Marketing, and Advertising. The agency is based in Rajshahi, Bangladesh.
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    Industries

  • 110
    (1 Reviews) 4.0

    Timeliness

    5.0

    Service Excellence

    4.0

    Value

    4.0

    Would Recommend

    5.0
    Undisclosed
    50 - 249 employees

    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.

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    Clients

    Ideal Living

    Industries

  • 111
    (1 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    4.5

    Value

    4.5

    Would Recommend

    5.0
    Undisclosed
    10 - 49 employees
    Frenchs Forest, Australia
    Telemarketing Professioanls is a call center based in Dee Why, Australia. Founded in 2010, the small team provides voice services.
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    Industries

  • 112
    (17 Reviews) 4.2

    Timeliness

    4.2

    Service Excellence

    4.2

    Value

    4.2

    Would Recommend

    4.2
    $25,000+
    50 - 249 employees
    Bengaluru, India
    Founded 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.
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    Industries

  • 113
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    250 - 999 employees
    Bengaluru, India
    Cimmons 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.
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    Clients

    BOSCH | ASSETZ PROPERTY GROUP | SLICE PAY | ELECROOM | RAJALAKSHMI EDUVERSE | ADYPU | NOVA BENEFITS | BETTERHALF | AULAS | RELICELL | WDI | HOYSALA CAABZ | BRAIN TREE GAMES | BOSCH HONDA | QWIKCILVER

    Industries

  • 114
    (24 Reviews) 4.6

    Timeliness

    4.5

    Service Excellence

    4.4

    Value

    4.4

    Would Recommend

    4.6
    $1,000+
    250 - 999 employees

    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.

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    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, Fonteva

    Industries

  • 115
    (2 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $100,000+
    10 - 49 employees
    Singapore, Singapore

    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. 

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    Clients

    NetApp

    Industries

  • 116
    (3 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    10 - 49 employees
    Dialify LTD, a small back office outsourcing and customer service outsourcing company, is based in Vaughan, Canada. Launched in 2021, the team focuses on back office outsourcing and customer service outsourcing.
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    Industries

  • 117
    (2 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    4.8

    Value

    4.8

    Would Recommend

    5.0
    Undisclosed
    50 - 249 employees
    Jalandhar, India
    Recruiting company VoPro was launched in 2013. Their midsize team is in Jalandhar, India and Bengaluru, India and provides recruiting.
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    Industries

  • 118
    (1 Reviews) 3.0

    Timeliness

    3.0

    Service Excellence

    3.0

    Value

    3.0

    Would Recommend

    3.0
    $1,000+
    1,000 - 9,999 employees
    Mumbai, India

    Athena BPO is a domestic BPO based in Mumbai and Bangalore, India. Founded in 1990, Athena provides voice/call center services and non-voice BPO/back office services.

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    Industries

  • 119
    (1 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    10 - 49 employees

    Xplore-Tech is a BPO company founded in 2004 in Kolkata, India. Xplore-Tech looks to provide voice/call center services, non-voice BPO/back office services, and transcription capabilities to clients in Canada, the U.S., the Philippines, and India. The firm operates with a team of fewer than 10 employees. 

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    Industries

  • 120
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    1,000 - 9,999 employees
    Winchester, VA
    Centro is a HR Outsourcing company. The Winchester, Virginia-based firm specializes in HR Outsourcing and Call Center Services.
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    Industries

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