Top 100 Call Center Services

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Top 100 Call Center Services

The Best of December 2025
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

  • 3661
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Belo Horizonte, Brazil
    Alfa Contact Center is an answering service. They are headquartered in Belo Horizonte, Brazil and have small team. Their team provides Call Center Services.
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  • 3662
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    HELP4WV is a call center company. They focus on Call Center Services and are in Charleston, West Virginia.
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  • 3663
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Santiago, Chile
    Stic Chile is a telephone answering service. Founded in 1997, the firm offers Call Center Services.
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  • 3664
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Santiago, Chile
    Midsize software development company and call center company S3 Chile, is located in Santiago, Chile and Chile. Their services include Custom Software Development and Call Center Services.
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  • 3665
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    250 - 999 employees
    Barra da Tijuca, Brazil
    Central 24 Hours is a call center. Their midsize team is headquartered in Barra da Tijuca, Brazil. Their team specializes in Call Center Services and Digital Strategy.
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  • 3666
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Tallinn, Estonia
    CSC Telecom is an answering service company based in Tallinn, Estonia. Established in 1995, the team specializes in Call Center Services and Customer Service Outsourcing.
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  • 3667
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Tallinn, Estonia
    Roheline Laine Green Wave is a phone answering service. Headquartered in Tallinn, Estonia, the agency was established in 2002. Their team offers Call Center Services and Customer Service Outsourcing.
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  • 3668
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Tallinn, Estonia
    IP Callcenters, a small call center, is located in Tallinn, Estonia. Their services include Call Center Services and Other Digital Marketing.
    Read More
  • 3669
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    1,000 - 9,999 employees
    San Mateo, CA
    Marketo, an Adobe Company is a San Mateo, California-based answering service company. They provide Call Center Services and Marketing Strategy.
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  • 3670
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Rochelle Park, NJ
    Telephone answering service Motivational Marketing was launched in 1981. The midsize team offers Call Center Services and Market Research.
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  • 3671
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Rancho Cucamonga, CA
    Sales Outsourcing company PCS Call Center is located in Rancho Cucamonga, California. They specialize in Sales Outsourcing and Call Center Services and were launched in 2010.
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  • 3672
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    250 - 999 employees
    Fort Worth, TX
    Prospect America, a Back Office Outsourcing company, was established in 1982. The agency offers Back Office Outsourcing and Call Center Services.
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  • 3673
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Breña, Peru
    HDC BPO Services is a call center. In Breña, Peru, the firm was established in 1993. Their services include Call Center Services and Social Media Marketing.
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  • 3674
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    250 - 999 employees
    Hurst, TX
    Alliance PDMS is a call center service. They are in Hurst, Texas and have midsize team. Their services include Call Center Services and Sales Outsourcing.
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  • 3675
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    250 - 999 employees
    Los Angeles, CA
    Based in Los Angeles, California, Health Leads Plus is a Sales Outsourcing company. Launched in 2004, the team offers Sales Outsourcing and Marketing Strategy.
    Read More
  • 3676
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Pearland, TX
    Call center Oasis Marketing Solutions was established in 2009. The firm specializes in Call Center Services and Sales Outsourcing.
    Read More
  • 3677
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    250 - 999 employees
    Los Angeles, CA
    KoalifiedLeads is an answering service. The team offers Call Center Services and Social Media Marketing, and the agency is headquartered in Los Angeles, California.
    Read More
  • 3678
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Los Angeles, CA
    Based in Los Angeles, California, Call Centerl Lead is a small call center company. Their services include Call Center Services and Sales Outsourcing.
    Read More
  • 3679
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    250 - 999 employees
    Mesa, AZ
    Bloom Insurance Agency is a call center company. Launched in 2007, the agency focuses on Call Center Services.
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  • 3680
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Mesa, AZ
    Headquartered in Mesa, Arizona, Client Focus LLC is an answering service. They offer Call Center Services and were founded in 2003.
    Read More
  • 3681
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Grand Junction, CO
    Tuck Communication Services, Inc. Is a call center company. Headquartered in Grand Junction, Colorado, their small team offers Call Center Services. The agency was launched in 2002.
    Read More
  • 3682
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    250 - 999 employees
    Overland Park, KS
    Launched in 1996, Centralized Showing Service (CSS) is a midsize phone answering service. Their services include Call Center Services.
    Read More
  • 3683
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Wilmington, DE
    Alpha Telemarketing, Inc., a call center service, was founded in 2005. The firm provides Call Center Services and Customer Service Outsourcing, and is small.
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  • 3684
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Lawrence, KS
    Telephone answering service and Sales Outsourcing company Inside Ventures is headquartered in Lawrence, Kansas. They provide Call Center Services and Sales Outsourcing and were established in 2011.
    Read More
  • 3685
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    250 - 999 employees
    Topeka, KS
    Founded in 1951, Berlin-Wheeler Inc is a telephone answering service. The company focuses on Call Center Services, and is midsize.
    Read More
  • 3686
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Hutchinson, KS
    National Credit Adjusters is a call center company. They offer Call Center Services and are in Hutchinson, Kansas.
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  • 3687
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Colorado Springs, CO
    Call center company Graven Austin & Drake, Inc. Offers Call Center Services. They were launched in 1991.
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  • 3688
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Colorado Springs, CO
    Voice with a Smile, a call center service, is headquartered in Colorado Springs, Colorado. Founded in 1985, the team offers Call Center Services and Back Office Outsourcing.
    Read More
  • 3689
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Cromwell, CT
    Telserv LLC, an answering service, was founded in 2002. The agency provides Call Center Services.
    Read More
  • 3690
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Smithfield, RI
    Call center service Commercial Solutions is headquartered in Smithfield, Rhode Island. Launched in 2002, the team specializes in Call Center Services.
    Read More
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