Top 100 Telecommunication Companies Call Center Services

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Top 100 Telecommunication Companies Call Center Services

The Best of April 2026

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

  • 511
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    50 - 249 employees
    Toronto, Canada
    Telestar Communications, a midsize answering service, is in Toronto, Canada and Las Vegas, Nevada. The team provides Call Center Services and Sales Outsourcing.
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    Industries

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  • 512
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    50 - 249 employees
    Halifax, Canada
    Answer 365 is an answering service company. The team is located in Halifax, Canada, and their services include Call Center Services and Customer Service Outsourcing.
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    Industries

  • 513
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    10 - 49 employees
    Toronto, Canada
    York Consulting is a phone answering service and Sales Outsourcing company based in Toronto, Canada. They provide Call Center Services and Sales Outsourcing.
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    Industries

  • 514
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    250 - 999 employees
    Livermore, CA
    Performant is an answering service launched in 1976. The team focuses on Call Center Services and Accounting.
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    Industries

  • 515
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    1,000 - 9,999 employees
    Phoenix, AZ
    Aspect is a call center service. The Phoenix, Arizona-based firm was established in 1973. Their services include Call Center Services and cloud consulting & SI.
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    Industries

  • 516
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Dar es Salaam, Tanzania
    FastHub Solutions Limited is a phone answering service founded in 2016. Based in Dar es Salaam, Tanzania, the team focuses on Call Center Services.
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    Industries

  • 517
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Knoxville, TN
    ProximoCX, a small call center service, is headquartered in Knoxville, Tennessee. The team offers Call Center Services and Sales Outsourcing.
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    Industries

  • 518
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Cheyenne, WY
    AKA Management is a small answering service. Launched in 2011, the team specializes in Call Center Services.
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    Industries

  • 519
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    250 - 999 employees
    Dubai, United Arab Emirates
    Oncall Call Center Services is an answering service. Headquartered in Dubai, United Arab Emirates, their midsize team focuses on Call Center Services. The firm was established in 2020.
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    Industries

  • 520
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Secunderabad, India
    Vibatel Solutions Pvt. Ltd. Is an answering service. Established in 2007, the team offers Call Center Services and Back Office Outsourcing.
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    Industries

  • 521
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    250 - 999 employees
    Machelen, Belgium
    WEngage, an answering service, was launched in 1986. The midsize team provides Call Center Services and Back Office Outsourcing.
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    Industries

  • 522
    (0 Reviews)

    Not yet reviewed.

    $25,000+
    10 - 49 employees
    Noida, India
    Sphere Global Solutions, a Recruitment Process Outsourcing company, was launched in 2019. The firm provides Recruitment Process Outsourcing and IT strategy consulting, and is small.
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    Industries

  • 523
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Plymouth, NH
    FullFunnel is an Advertising company. The Plymouth, New Hampshire-based company provides Advertising and Sales Outsourcing.
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    Industries

  • 524
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    50 - 249 employees
    Sydney, Australia
    Liveware, a Business Consulting company, was founded in 2018. They focuses on Business Consulting and IT managed services.
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    Industries

  • 525
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Lahore, Pakistan
    Founded in 2009, Digital Elites is a Customer Service Outsourcing company. Their services include Customer Service Outsourcing and Back Office Outsourcing.
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    Industries

  • 526
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    2 - 9 employees
    West End, England
    Established in 2022, Future Faced Ltd, a small Email Marketing company, is in West End, England. Their services include Email Marketing and Search Engine Optimization.
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    Industries

  • 527
    (2 Reviews) 5.0

    Timeliness

    4.8

    Service Excellence

    4.8

    Value

    4.5

    Would Recommend

    4.8
    Undisclosed
    50 - 249 employees
    Kyiv, Ukraine

    BSG World is a Kyiv, Ukraine-based direct marketing company. The midsize team focuses on direct marketing, other marketing, email marketing, application management & support, and more and was founded in 2007.

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    Industries

  • 528
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    MediRises is a Back Office Outsourcing company. The team is headquartered in Dover, Delaware, and their services include Back Office Outsourcing and Call Center Services.
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    Industries

  • 529
    (0 Reviews)

    Not yet reviewed.

    $10,000+
    50 - 249 employees
    Warszawa, Poland
    Midsize custom software development company Whirly, is headquartered in Warszawa, Poland. Their services include Custom Software Development and Web Development.
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    Industries

  • 530
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    50 - 249 employees
    Chennai, India
    Established in 2021, MEG WORLD TECHNOLOGIES is a Back Office Outsourcing company. Their team specializes in Back Office Outsourcing and Customer Service Outsourcing.
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    Industries

  • 531
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    10 - 49 employees
    Connexion CC is a call center company. The small Cairo, Egypt-based team focuses on Call Center Services and Back Office Outsourcing. The company was established in 2023.
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    Industries

  • 532
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    10 - 49 employees
    Bengaluru, India
    Based in Bengaluru, India, PactPrime Solutions Private Limited is a small Back Office Outsourcing company. The team specializes in Back Office Outsourcing and Call Center Services.
    Read More

    Industries

  • 533
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    10 - 49 employees
    Sarajevo, Bosnia and Herzegovina
    Simple Technology Solutions d.o.o. Is an answering service company. Located in Sarajevo, Bosnia and Herzegovina, the team provides Call Center Services and Custom Software Development.
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    Industries

  • 534
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    10 - 49 employees
    GCON is a Customer Service Outsourcing company. Launched in 2025, the company specializes in Customer Service Outsourcing and Call Center Services.
    Read More

    Industries

  • 535
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    10 - 49 employees
    Gurugram, India
    Established in 2019, Xcentasia is a Back Office Outsourcing company. Their team specializes in Back Office Outsourcing and Market Research.
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    Industries

  • 536
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Providencia, Chile
    OpenAgents is an AI development company founded in 2019. The team provides Artificial Intelligence and Call Center Services.
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    Industries

  • 537
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    10 - 49 employees
    Knoxville, TN
    BizSprints is a CRM consulting and SI company. The Knoxville, Tennessee-based firm was founded in 2016. Their services include CRM consulting and SI and unified communications consulting & SI.
    Read More

    Industries

  • 538
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    10 - 49 employees
    In London, England and Dhaka, Bangladesh, RPSI Limited: TECH-TEEM is a small Back Office Outsourcing company. The team focuses on Back Office Outsourcing and Call Center Services.
    Read More

    Industries

  • 539
    (0 Reviews)

    Not yet reviewed.

    $10,000+
    10 - 49 employees
    Ahmedabad, India
    Business Consulting company Bigwiggin Solutions LLP was launched in 2022. The small team specializes in Business Consulting and Finance & Accounting Outsourcing (FAO).
    Read More

    Industries

  • 540
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    10 - 49 employees
    Singapore
    M4U Marketing, a branding firm, is based in Singapore and Tambon San Phranet, Thailand. Their services include Branding and Market Research.
    Read More

    Industries

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