Top 100 Call Center Services

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Top 100 Call Center Services

The Best of October 2026
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. 
Jump to Most Reviewed Companies

List of the Best Voice Services Providers on the Market

  • 781
    (4 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    4.9

    Value

    5.0

    Would Recommend

    5.0
    $5,000+
    50 - 249 employees
    Ciudad de México, Mexico
    Condor Digital Services LLC is a midsize Miami, Florida-based Marketing Strategy company. Launched in 2018, the team offers Marketing Strategy, Social Media Marketing, Content Marketing, Search Engine Optimization, and more.
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    Industries

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  • 782
    (3 Reviews) 5.0

    Timeliness

    4.8

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    10 - 49 employees
    Louisville, KY
    Founded in 2015, Key Outreach is an Account-Based Marketing company. Their small team is based in Louisville, Kentucky and focuses on Account-Based Marketing, Email Marketing, Sales Outsourcing, and Direct Marketing.
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    Industries

  • 783
    (4 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    10 - 49 employees
    WERVAS Virtual Assistant Services is a small Back Office Outsourcing company. Launched in 2016, the company is located in Kolkata, India. Their team specializes in Back Office Outsourcing, Artificial Intelligence, Generative AI, Web Development, and more.
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    Industries

  • 784
    (3 Reviews) 3.5

    Timeliness

    4.0

    Service Excellence

    4.2

    Value

    3.5

    Would Recommend

    3.5
    Undisclosed
    50 - 249 employees
    Makati, Philippines

    Concert 8 Solutions Inc., a non-voice bpo/back office services and answering service company, was established in 2017. The midsize team specializes in non-voice bpo/back office services and voice services. The firm is located in New Westminster, Canada and Makati, Philippines.

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    Industries

  • 785
    (2 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    10 - 49 employees
    Established in 2024, Global Ranking Solution LLC is an Advertising company. The company provides Advertising, Branding, Social Media Marketing, Search Engine Optimization, and more and has a small team.
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    Industries

  • 786
    (7 Reviews) 4.9

    Timeliness

    4.9

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    4.9
    $1,000+
    50 - 249 employees

    Eluminous Technologies Pvt Ltd is a Nashik, India-based back office outsourcing company. The midsize company was founded in 2002. Their services include back office outsourcing, document digitization & management, and call center services.

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    Industries

  • 787
    (1 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    2 - 9 employees
    Chakdaha, India
    W2-Data, a non-voice bpo/back office services company, was launched in 2019. Their small team is headquartered in Chakdaha, India. The firm offers non-voice bpo/back office services, email marketing, and social media marketing.
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    Industries

  • 788
    (15 Reviews) 4.6

    Timeliness

    4.7

    Service Excellence

    4.6

    Value

    4.6

    Would Recommend

    4.7
    $10,000+
    10 - 49 employees
    Langley, Canada

    Lead Generators International is a business-to-business telemarketing firm that was founded in 1992. Based in Burnaby, Canada, this team of 11 provides telephone lead generation, appointment setting, telephone market research, database updating, mail list procurement services.

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    Clients

    Microsoft Dynamics

    Industries

  • 789
    (3 Reviews) 4.7

    Timeliness

    4.7

    Service Excellence

    4.8

    Value

    4.3

    Would Recommend

    4.7
    $1,000+
    10 - 49 employees
    Nashville, TN

    Capital Accounts LLC is a collection service based in Nashville, Tenn., run by a team of less than 50 people. Since their founding, they have offered their services in collection of overdue balances, primarily in the fields of healthcare and business services.

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    Industries

  • 790
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    50 - 249 employees
    Poznań, Poland
    InStream Group is a Sales Outsourcing company. The Poznań, Poland-based agency was established in 2014. Their services include Sales Outsourcing and Other Digital Marketing.
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    Industries

  • 791
    (1 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $10,000+
    2 - 9 employees
    Toronto, Canada
    Peak Demand is a small phone answering service. Based in Toronto, Canada, the firm was established in 2016. Their team provides Call Center Services, AI Consulting, and Digital Strategy.
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  • 792
    (1 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    10 - 49 employees
    Irvine, CA
    Helpt is a small Irvine, California-based IT staff augmentation company. Founded in 2022, the team specializes in IT staff augmentation, Call Center Services, and Customer Service Outsourcing.
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    Industries

  • 793
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    250 - 999 employees
    Atlanta, GA
    Tiburon Data LLC is a midsize IT staff augmentation company. They specialize in IT staff augmentation and Custom Software Development and were established in 2011.
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    Industries

  • 794
    (4 Reviews) 4.4

    Timeliness

    4.4

    Service Excellence

    4.9

    Value

    4.6

    Would Recommend

    4.3
    $1,000+
    50 - 249 employees
    Diamond Bar, CA
    Established in 2004, BillingParadise is a Back Office Outsourcing company. The midsize Diamond Bar, California-based team provides Back Office Outsourcing and Call Center Services.
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    Clients

    NextGen Healthcare

    Industries

  • 795
    (1 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    50 - 249 employees
    Located in Burnaby, Canada, Upsist Inc. Is a midsize Sales Outsourcing company. They offer Sales Outsourcing, Customer Service Outsourcing, HR Outsourcing, Recruitment Process Outsourcing, and more and were launched in 2024.
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    Industries

  • 796
    (3 Reviews) 5.0

    Timeliness

    4.8

    Service Excellence

    5.0

    Value

    4.8

    Would Recommend

    5.0
    $1,000+
    50 - 249 employees
    HTVisions is a Spring, Texas-based social media marketing agency. The firm provides social media marketing, search engine optimization, pay per click, custom software development, and more and is small.The firm was established in 2016.
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    Industries

  • 797
    (2 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $5,000+
    50 - 249 employees

    Website development firm The Webplant is located in New Delhi, India. Founded in 2011, the midsize team focuses on web development, ux/ui design, e-commerce development, application testing, and more.

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    Industries

  • 798
    (1 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    4.5

    Value

    5.0

    Would Recommend

    4.5
    $10,000+
    250 - 999 employees
    Valley View, OH
    Process-Smart is a Valley View, Ohio-based Back Office Outsourcing company. The midsize agency was established in 2018. Their services include Back Office Outsourcing, Call Center Services, Accounting, Customer Service Outsourcing, and more.
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    Industries

  • 799
    (2 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    50 - 249 employees
    Limassol, Cyprus

    Distance Team, a customer service outsourcing company, was founded in 2020. The midsize team focuses on customer service outsourcing and sales outsourcing. The company is based in Limassol, Cyprus.

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  • 800
    (7 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    Undisclosed
    10 - 49 employees
    Pune, India
    Strong Vision Data Processing is a Back Office Outsourcing company. Their small team is located in Pune, India and offers Back Office Outsourcing, Document Digitization & Management, Artificial Intelligence, Customer Service Outsourcing, and more. The company was founded in 2016.
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    Clients

    82 CLASSIC

    Industries

  • 801
    (4 Reviews) 4.8

    Timeliness

    4.5

    Service Excellence

    4.8

    Value

    4.8

    Would Recommend

    4.8
    $10,000+
    10 - 49 employees
    Karachi, Pakistan

    Tech Drop Private Limited is a web design company in Karachi, Pakistan and Karachi, Pakistan. The small firm was established in 2022. Their services include web design, ux/ui design, graphic design, web development, and more.

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    Industries

  • 802
    (2 Reviews) 4.8

    Timeliness

    5.0

    Service Excellence

    4.5

    Value

    4.5

    Would Recommend

    5.0
    $5,000+
    10 - 49 employees
    Scoresby, Australia

    Established in 2014, Lead Express is an answering service company. They are based in Scoresby, Australia and have a small team. Their services include voice services, email marketing, market research, pay per click, and more.

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    Industries

  • 803
    (1 Reviews) 5.0

    Timeliness

    4.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $10,000+
    10 - 49 employees
    Cincinnati, OH

    AMBI is a Cincinnati, Ohio-based branding firm. The company focuses on branding, web development, email marketing, search engine optimization, and more and is small.The company was established in 2024.

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    Industries

  • 804
    (5 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    50 - 249 employees
    Kolkata, India
    Back office outsourcing company RFS Business Solutions Pvt Ltd is located in Kolkata, India. The agency specializes in back office outsourcing, customer service outsourcing, and call center services and is midsize.The agency was founded in 2019.
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  • 805
    (8 Reviews) 4.7

    Timeliness

    4.7

    Service Excellence

    4.8

    Value

    5.0

    Would Recommend

    4.9
    $1,000+
    50 - 249 employees
    Zhytomyr, Ukraine
    Headquartered in Zhytomyr, Ukraine, Diya is an IT managed services company. The midsize team offers IT managed services, IT strategy consulting, cloud consulting & SI, CRM consulting and SI, and more and was founded in 2015.
    Read More

    Clients

    Tech Cloud

    Industries

  • 806
    (3 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    2 - 9 employees
    Vineyard, UT
    Gradari is a social media marketing company founded in 2023. The small Vineyard, Utah-based team provides Social Media Marketing, Pay Per Click, and Sales Outsourcing.
    Read More

    Industries

  • 807
    (0 Reviews)

    Not yet reviewed.

    $10,000+
    1,000 - 9,999 employees
    Hoang Mai, Vietnam
    Pure Moderation is a Customer Service Outsourcing company. Launched in 2006, the agency focuses on Customer Service Outsourcing and Call Center Services.
    Read More

    Clients

    Social Networks

    Industries

  • 808
    (3 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $10,000+
    50 - 249 employees
    Gdańsk, Poland

    Hand2band is an IT staff augmentation company. They are based in Sopot, Poland and have a midsize team. The firm offers IT staff augmentation, web development, and custom software development.

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    Industries

  • 809
    (10 Reviews) 5.0

    Timeliness

    4.9

    Service Excellence

    5.0

    Value

    4.8

    Would Recommend

    5.0
    $10,000+
    10 - 49 employees
    Sydney, Australia
    Established in 2021, Crowd Box Pty Ltd is a Demand Generation Marketing company. Their small team is in Sydney, Australia. Their services include Demand Generation Marketing, Marketing Strategy, Content Marketing, and Sales Outsourcing.
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  • 810
    (1 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    4.5

    Would Recommend

    5.0
    $25,000+
    50 - 249 employees
    Outsource Tel is a Lahore, Pakistan-based IT managed services company. The midsize firm was established in 2013. Their services include IT managed services, Custom Software Development, Call Center Services, Back Office Outsourcing, and more.
    Read More

    Industries

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