Top 100 Call Center Services

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Top 100 Call Center Services

The Best of December 2024

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

  • 391
    (1 Reviews) 0.5
    • Timeliness

      0.5
    • Service Excellence

      1.0
    • Value

      3.0
    • Would Recommend

      0.5
    • $1,000+
    • 250 - 999 employees
    • London, England

    CALLCARE is a midsize call center service launched in 1998. Their services include voice services and non-voice bpo/back office services. The company is based in London, United Kingdom.

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    Industries

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  • 392
    (3 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      4.8
    • Would Recommend

      5.0
    • $1,000+
    • 2 - 9 employees
    • Los Angeles, CA
    Established in 2015, ThinkAlike Media is an email marketing company. Their small team is located in Los Angeles, California. Their services include email marketing, sales outsourcing, demand generation marketing, public relations, and more.
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    Industries

  • 393
    (3 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      4.8
    • Value

      5.0
    • Would Recommend

      5.0
    • $1,000+
    • 10 - 49 employees
    • Kalispell, MT
    Call Force Solutions is a phone answering service headquartered in Kalispell, Montana. The small team specializes in call center services, back office outsourcing, sales outsourcing, transcription, and more and was launched in 2024.
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  • 394
    (1 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      4.5
    • Would Recommend

      5.0
    • $25,000+
    • 10 - 49 employees
    • Brighton and Hove, England

    Second Voice is a sales outsourcing company. They are headquartered in Brighton and Hove, United Kingdom and have a small team. Their services include sales outsourcing. The agency was established in 2022.

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    Industries

  • 395
    (1 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

      5.0
    • Undisclosed
    • 10 - 49 employees
    • Delray Beach, FL

    Answering service Global Call Forwarding was established in 1996. The agency specializes in voice services and has a small team.

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    Industries

  • 396
    (1 Reviews) 5.0
    • Timeliness

      4.0
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

      5.0
    • Undisclosed
    • 250 - 999 employees
    • Undisclosed
    Perry ProTECH is an answering service company launched in 1965. Based in , their midsize team provides call center services.
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  • 397
    (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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  • 398
    (24 Reviews) 4.9
    • Timeliness

      4.8
    • Service Excellence

      4.9
    • Value

      4.8
    • Would Recommend

      4.8
    • $5,000+
    • 250 - 999 employees
    EverHelp is a Warszawa, Poland-based customer service outsourcing company. The small agency was launched in 2021. Their services include customer service outsourcing, call center services, back office outsourcing, and sales outsourcing.
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    Industries

  • 399
    (13 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      4.9
    • Value

      4.9
    • Would Recommend

      5.0
    • $5,000+
    • 10 - 49 employees
    • Raleigh, NC

    BOS Digital is a Raleigh, N.C.-based digital marketing agency. Their team of 12 was founded in 2016 and focuses on social media marketing, content marketing, and digital strategy.

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    Clients

    • Buhler Group

    Industries

  • 400
    (1 Reviews) 4.0
    • Timeliness

      3.5
    • Service Excellence

      4.0
    • Value

      3.0
    • Would Recommend

      3.5
    • $1,000+
    • 250 - 999 employees
    • Jefferson City, MO

    GroupOne Health Source is a full service medical billing and consulting firm based in Jefferson City, Mo. Since 1991, their current team of 108 has been specializing in non-voice BPO services, voice services, and transcription for clients in the medical field. 

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    Clients

    • Sunshine Pediatrics

    Industries

  • 401
    (1 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

      5.0
    • $1,000+
    • 10 - 49 employees
    • Coral Gables, FL
    Call center Responsive Answering Service was founded in 1979. The small Coral Gables, Florida-based team provides voice services.
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  • 402
    (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

  • 403
    (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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  • 404
    (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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  • 405
    (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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  • 406
    (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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  • 407
    (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

  • 408
    (1 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

      5.0
    • $1,000+
    • 50 - 249 employees

    Supporto is a customer support agency based in Ukraine. They employ four staff who specialize in community management, social networking, and customer support for small and large businesses. Services include market analysis, solution development, content management, and design.

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    Clients

    • Emercoin
  • 409
    (1 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

      5.0
    • Undisclosed
    • 1,000 - 9,999 employees
    • Fort Lauderdale, FL

    Non-voice bpo/back office services company OutPLEX was launched in 2001. Their small team is in Santo Domingo, Dominican Republic. OutPLEX specializes in non-voice bpo/back office services.

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    Industries

  • 410
    (2 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      4.5
    • Would Recommend

      5.0
    • Undisclosed
    • 50 - 249 employees
    • København, Denmark

    Sales outsourcing company VAEKST is based in København, Denmark. The midsize team specializes in sales outsourcing, direct marketing, market research, and email marketing and was established in 2020.

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    Industries

  • 411
    (3 Reviews) 5.0
    • Timeliness

      4.7
    • Service Excellence

      4.7
    • Value

      4.5
    • Would Recommend

      4.8
    • $1,000+
    • 50 - 249 employees
    • Knoxville, TN

    Located in Knoxville, Tenn., Taskforce BPO is a veteran-owned company that provides clients of all sizes with labor solutions. Made up of 90 employees, the company specializes in voice services and non-voice BPO/back office services. Taskforce BPO was founded in 2015 and predominantly serves clients in the healthcare, financial services, business services, and retail industries.

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    Clients

    • Dental Practices

    Industries

  • 412
    (5 Reviews) 4.3
    • Timeliness

      4.6
    • Service Excellence

      4.3
    • Value

      4.0
    • Would Recommend

      4.3
    • $10,000+
    • 50 - 249 employees
    • Ahmedabad, India

    Key Carrier Management Service(Key-CMS) is a call center located in Ahmedabad, India and Sheridan, Wyoming. The midsize team provides call center services, digital strategy, web development, back office outsourcing, and more. The agency was launched in 2019.

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    Industries

  • 413
    (7 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

      5.0
    • $1,000+
    • 10 - 49 employees
    • Singapore, Singapore

    The Scalelab, a digital strategy company, was established in 2019. They are located in Hong Kong, Hong Kong and Singapore, Singapore and have a small team. The Scalelab focuses on digital strategy, email marketing, conversion optimization, marketing strategy, and more.

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    Clients

    • Aspire

    Industries

  • 414
    (3 Reviews) 4.8
    • Timeliness

      5.0
    • Service Excellence

      4.8
    • Value

      5.0
    • Would Recommend

      4.7
    • $5,000+
    • 2 - 9 employees
    • Ocean Isle Beach, NC
    HowtouseClay.com is a sales outsourcing company. They are based in Ocean Isle Beach, North Carolina and have a small team that specializes in sales outsourcing. The agency was founded in 2023.
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  • 415
    (1 Reviews) 5.0
    • Timeliness

      4.5
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

      5.0
    • $1,000+
    • 10 - 49 employees
    • El Cajon, CA

    Answer California is a voice support outsourcing firm based in El Cajon, Calif., just outside of San Diego. Founded in 1998, Answer California has just under 13 employees. They exclusively provide voice service outsourcing. Their specific call center services include automatic answering, order processing, and customer service.

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    Industries

  • 416
    (1 Reviews) 5.0
    • Timeliness

      4.5
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

      4.5
    • $1,000+
    • 50 - 249 employees
    • Tempe, AZ

    Calibrus is a customer management contact center headquartered in Tempe, Ariz. Founded in 2013, they have about 40 employees that have clients in the business services, consumers products, financial service, healthcare, and retail industries. Their solutions include third-party verification, outbound lead generation, and hosted call recording.

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    Industries

  • 417
    (1 Reviews) 5.0
    • Timeliness

      3.0
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

      0.0
    • $1,000+
    • 50 - 249 employees

    InTouch is a call center solutions agency based in Martinsburg, West Virginia. Founded in 1995, they have over 200 employees for primarily the healthcare and real estate industries. Their services consist entirely of voice support, including inbound and outbound sales, conventional answering and switchboard solutions, and order processing.

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    Clients

    • Dan Ryan Builders

    Industries

  • 418
    (1 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      4.0
    • Would Recommend

      5.0
    • $1,000+
    • 10 - 49 employees
    • Toronto, Canada

    AppointmentSetter is a B2B appointment setting and lead generation firm based in Toronto. The firm, founded in 2006, has a team of less than 50 provides appointment-setting services that connect small to medium-sized businesses with potential clients.  

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    Clients

    • Longevity

    Industries

  • 419
    (1 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

      4.5
    • Undisclosed
    • 50 - 249 employees
    • San Antonio, TX

    Midsize answering service company TAS United, LLC, is headquartered in San Antonio, Texas. The team specializes in voice services and non-voice bpo/back office services.

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    Industries

  • 420
    (1 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

      5.0
    • $1,000+
    • 10 - 49 employees

    PlusOneMark is an Indonesia-based digital marketing agency founded in 2016. Their small team of 1–2 employees specializes in B2B lead generation and online reputation management. Their other focuses are social media marketing, digital strategy, and email marketing. 

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