Top 100 Call Center Services

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Top 100 Call Center Services

The Best of August 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

  • 7231
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    London, England
    Translation company Creative Translation was established in 1995. The team focuses on Translation and Call Center Services.
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  • 7232
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    1,000 - 9,999 employees
    Dhaka, Bangladesh
    Founded in 2010, Summit Communications Ltd, a large IT managed services company, is based in Dhaka, Bangladesh. Their team specializes in IT managed services and IT strategy consulting.
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  • 7233
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Cincinnati, OH
    Live Reps Call Center is a phone answering service launched in 2001. The midsize team specializes in Call Center Services and Search Engine Optimization.
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  • 7234
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Nashville, TN
    Employee Pooling is a phone answering service. Founded in 2011, the company is located in Nashville, Tennessee. Their team provides Call Center Services and Back Office Outsourcing.
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  • 7235
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Stuttgart, Germany
    PVS Relationship Services GmbH & Co. KG is an answering service. They specialize in Call Center Services and CRM consulting and SI and were founded in 2018. The agency is in Stuttgart, Germany.
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  • 7236
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    İstanbul, Türkiye
    Creafone is a Customer Service Outsourcing company. In İstanbul, Türkiye, the agency offers Customer Service Outsourcing and Call Center Services.
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  • 7237
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Kraków, Poland
    Thulium is a call center company. Established in 2006, their team focuses on Call Center Services and Customer Service Outsourcing.
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  • 7238
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Athens, GA
    Concierge Contact Center is a call center service. Their team is located in Athens, Georgia and specializes in Call Center Services and Back Office Outsourcing.
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  • 7239
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Cincinnati, OH
    SALIX, a Customer Service Outsourcing company, was launched in 1999. The midsize team provides Customer Service Outsourcing and Call Center Services.
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  • 7240
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Córdoba, Argentina
    Telesoluciones S.A is a call center company located in Córdoba, Argentina. They provide Call Center Services and Customer Service Outsourcing.
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  • 7241
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Managua, Nicaragua
    Connect International, LLC is a call center company established in 2007. Based in Managua, Nicaragua and Highland Park, Illinois, the team offers Call Center Services and Back Office Outsourcing.
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  • 7242
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    1,000 - 9,999 employees
    Hefei Shi, China
    Anhui Shengtang Service Outsourcing Co., Ltd. Is a large answering service. Launched in 2004, the team offers Call Center Services and Customer Service Outsourcing.
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    Industries

  • 7243
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    1,000 - 9,999 employees
    Iowa City, IA
    Established in 2002, MCI is a large IT managed services company. Their services include IT managed services and Artificial Intelligence.
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  • 7244
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    OEstersund, Sweden
    H1 Communication AB is a midsize OEstersund, Sweden-based answering service. Their services include Call Center Services and Back Office Outsourcing.
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  • 7245
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    1,000 - 9,999 employees
    Hong Kong, Hong Kong
    Founded in 1998, Accenture (China) Co., Ltd., a large Business Consulting company, is in Hong Kong, Hong Kong. Their services include Business Consulting and Call Center Services.
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  • 7246
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Norwalk, CT
    Central Communications Inc. Is a call center service. The team specializes in Call Center Services and Back Office Outsourcing, and the company is in Norwalk, Connecticut.
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  • 7247
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Guaynabo, Puerto Rico
    ECONSOL is an answering service company launched in 2008. Their services include Call Center Services and Back Office Outsourcing.
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  • 7248
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Lugano, Switzerland
    BESTVISION GROUP is a midsize answering service company. Established in 2015, the team specializes in Call Center Services and Corporate Training & Coaching.
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  • 7249
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Denges, Switzerland
    Digicall, a telephone answering service, specializes in Call Center Services and Customer Service Outsourcing. The company is based in Denges, Switzerland.
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    Industries

  • 7250
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Madhapur, India
    Answering service company Capri BPO Service was established in 2005. The firm focuses on Call Center Services and Back Office Outsourcing, and is midsize.
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  • 7251
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Hyderabad, India
    4Bitt is a Cybersecurity company. Their midsize team is located in Hyderabad, India. Their team offers Cybersecurity and IT managed services.
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  • 7252
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Tampa, FL
    Sales Outsourcing company LeadingResponse specializes in Sales Outsourcing and Social Media Marketing. They were founded in 1995.
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  • 7253
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Hyderabad, India
    Aartisto Solutions, a call center service, was launched in 2008. The midsize team specializes in Call Center Services and Sales Outsourcing.
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  • 7254
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Melville, NY
    AG Adjustments is a phone answering service. They offer Call Center Services and Back Office Outsourcing and were founded in 1972. The company is in Melville, New York.
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  • 7255
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    1,000 - 9,999 employees
    Singapore
    Verticurl, a Digital Strategy company, was founded in 2006. The team focuses on Digital Strategy and BI & big data consulting & SI and is in Singapore.
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  • 7256
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Istanbul, Türkiye
    Established in 2011, CCR is a Business Consulting company. The firm specializes in Business Consulting and Call Center Services.
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  • 7257
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Caracas, Venezuela
    Person To Person, a midsize phone answering service, is in Caracas, Venezuela. The team specializes in Call Center Services and Back Office Outsourcing.
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    Industries

  • 7258
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Callsultant is a call center company. They are in Bodrum, Türkiye. Their team offers Call Center Services and Accounting.
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  • 7259
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Martínez, Argentina
    Contact Solution is a midsize Martínez, Argentina-based social media marketing agency. Their services include Social Media Marketing and Email Marketing.
    Read More
  • 7260
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Montevideo, Uruguay
    Lazos Contact Center is a call center. Their team is headquartered in Montevideo, Uruguay and Salto, Uruguay and specializes in Call Center Services and Search Engine Optimization.
    Read More
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