Top 100 Call Center Services

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Top 100 Call Center Services

The Best of March 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

  • 511
    (7 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    4.9

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    2 - 9 employees
    Zagreb, Croatia

    Email marketing company ReadyScale was established in 2018. In Zagreb, Croatia, their small team provides email marketing, business consulting, social media marketing, web design, and more.

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    Industries

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  • 512
    (15 Reviews) 4.2

    Timeliness

    4.0

    Service Excellence

    4.3

    Value

    4.3

    Would Recommend

    4.3
    $1,000+
    10 - 49 employees

    Founded in 2014, Vicky Virtual Receptionists is an answering services company that specializes in voice services and non-voice BPO/back office services. Specifically, they offer inbound and B2B appointment scheduling and B2B lead generation and qualification with a BPO focus on email and chat customer service. Their team includes 9 employees and is headquartered in Chicago. Vicky Virtual Receptionists works primarily with clients in industries that include business services, consumer products, hospitality, information technology, and retail.  

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    Industries

  • 513
    (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

  • 514
    (9 Reviews) 4.9

    Timeliness

    5.0

    Service Excellence

    4.9

    Value

    4.8

    Would Recommend

    4.9
    Undisclosed
    2 - 9 employees
    Palm Harbor, FL
    Founded in 1997, Company Expert is a Sales Outsourcing company. Their small team is located in Palm Harbor, Florida. Their services include Sales Outsourcing, Marketing Strategy, and Business Consulting.
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    Industries

  • 515
    (2 Reviews) 4.8

    Timeliness

    5.0

    Service Excellence

    4.5

    Value

    5.0

    Would Recommend

    5.0
    $5,000+
    10 - 49 employees
    You Lead, a Direct Marketing company, is headquartered in București, Romania. The small firm was established in 2023. Their services include Direct Marketing, Artificial Intelligence, Call Center Services, Sales Outsourcing, and more.
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    Clients

    AWS

    Industries

  • 516
    (2 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    2 - 9 employees
    Sunny Isles Beach, FL
    Josh No Code is a robotics process automation company established in 2022. The agency focuses on robotics process automation, custom software development, CRM consulting and SI, mobile app development, and more and has a small team.
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    Industries

  • 517
    (3 Reviews) 5.0

    Timeliness

    4.8

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $5,000+
    2 - 9 employees
    LeadSetting, a call center service, was established in 2023. Their small team is located in Milan, Italy. The agency focuses on Call Center Services, Sales Outsourcing, and Business Consulting.
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  • 518
    (2 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    Undisclosed
    50 - 249 employees
    San Diego, CA
    Mango Bibo LLC, a Business Consulting company, is in San Diego, California. The small team offers Business Consulting, Call Center Services, Back Office Outsourcing, Customer Service Outsourcing, and more. The firm was launched in 2023.
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  • 519
    (1 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    2 - 9 employees
    L'viv, Ukraine
    Launched in 2023, LeadWise is a sales outsourcing company. The firm focuses on sales outsourcing and email marketing and has a small team. The firm is located in L'viv, Ukraine.
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  • 520
    (6 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    Undisclosed
    10 - 49 employees
    Kyiv, Ukraine
    QUALITYL is a sales outsourcing company. Their small team is in Kyiv, Ukraine. Their services include sales outsourcing. The company was founded in 2023.
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  • 521
    (4 Reviews) 3.8

    Timeliness

    3.0

    Service Excellence

    3.6

    Value

    3.3

    Would Recommend

    3.9
    $1,000+
    1,000 - 9,999 employees
    Sandy, UT

    NICE inContact is a call center software and voice services provider based in Sandy, Utah, that was established in1997. Their team of more than 1200 employees offers voice call services, inbound lead resolution, customer support, and a customer interaction cloud software.

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    Industries

  • 522
    (3 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    4.8

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    10 - 49 employees
    Call Force Solutions is a phone answering service founded in 2024. The firm focuses on Call Center Services, Back Office Outsourcing, Sales Outsourcing, and Transcription and has a small team.
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  • 523
    (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

  • 524
    (2 Reviews) 5.0

    Timeliness

    4.8

    Service Excellence

    4.5

    Value

    5.0

    Would Recommend

    4.8
    $10,000+
    2 - 9 employees
    Sofia, Bulgaria
    PowerSellers is a Sofia, Bulgaria-based sales outsourcing company. The company provides sales outsourcing, market research, and call center services and is small.The company was established in 2019.
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    Industries

  • 525
    (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

  • 526
    (1 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $5,000+
    10 - 49 employees
    Brandon, FL
    LeadSquad is a small sales outsourcing company. Established in 2024, the firm is located in Brandon, Florida. Their team provides sales outsourcing.
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  • 527
    (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

  • 528
    (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

  • 529
    (3 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    Undisclosed
    10 - 49 employees
    Surat, India
    Back office outsourcing company VA Mantra is based in Surat, India. The small team specializes in back office outsourcing, commercial brokerage services, commercial property management, social media marketing, and more and was founded in 2019.
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    Industries

  • 530
    (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

  • 531
    (1 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    2 - 9 employees
    Royal Wootton Bassett, England
    Call center Double Tap Marketing Ltd is located in Royal Wootton Bassett, United Kingdom. Launched in 2017, the small team focuses on call center services, email marketing, and sales outsourcing.
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  • 532
    (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

  • 533
    (2 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    Undisclosed
    10 - 49 employees

    Call Cici is a live call answering service founded in 2020 in Scottsdale, Ariz. With fewer than 50 employees on board, they specialize in providing voice services mostly to small businesses. 

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    Clients

    Jiffi Maids
  • 534
    (1 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    4.5

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    50 - 249 employees
    Ciudad de Guatemala, Guatemala

    Phone answering service Infinity Center BPO is based in Houston, Texas and Ciudad de Guatemala, Guatemala. The firm provides call center services and customer service outsourcing and is midsize.The firm was established in 2014.

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  • 535
    (1 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    10 - 49 employees
    Bangkok, Thailand
    Sales outsourcing company Reachly was established in 2024. The small team offers sales outsourcing. The company is based in Bangkok, Thailand.
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    Industries

  • 536
    (1 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    Undisclosed
    10 - 49 employees
    Lake Forest, IL
    Chicago Business VoIP is an answering service. Founded in 2009, the team offers call center services. Their small agency is based in Lake Forest, Illinois.
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  • 537
    (1 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    2 - 9 employees
    Marketing strategy company APEXX was established in 2024. Their small team is headquartered in Zagreb, Croatia and specializes in marketing strategy, other marketing, digital strategy, social media marketing, and more.
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  • 538
    (1 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    Undisclosed
    2 - 9 employees
    Miami, FL
    Virtual Receptionist Pro is a call center service. They are based in Miami, Florida and have a small team. The company offers call center services.
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  • 539
    (1 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    4.5

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    2 - 9 employees
    Salesverse is a sales outsourcing company. They are based in Navi Mumbai, India and have a small team that focuses on sales outsourcing. The company was established in 2024.
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  • 540
    (1 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    10 - 49 employees
    Founded in 2023, DemandHigh is an advertising company. Based in Sofia, Bulgaria, their small team focuses on advertising, branding, call center services, accounting, and more.
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    Industries

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