Top 100 Call Center Services in California

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Top 100 Call Center Services in California

The Best of July 2026

Looking for a top voice service and call center company in California?

Voice services companies provide value to your company: automating your client communication allows your company the flexibility to devote resources to core firm-building activities.

To assist you in your search for a partner, we’ve compiled this list of the top voice and call center services in California. 

Jump to Most Reviewed Companies

List of the Best California Voice Services Providers

  • 391
    (65 Reviews) 5.0

    Timeliness

    4.9

    Service Excellence

    4.9

    Value

    4.9

    Would Recommend

    5.0
    $1,000+
    50 - 249 employees
    San Diego, CA
    Task Virtual is a Back Office Outsourcing company. They are headquartered in Kolkata, India; New York City, New York; Sydney, Australia and Toronto, Canada and have a midsize team. Their services include Back Office Outsourcing, Search Engine Optimization, Sales Outsourcing, Call Center Services, and more.
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    Industries

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  • 392
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    San Diego, CA
    Small Content Marketing company Invata Global Marketing™️, is located in San Diego, California and Austin, Texas. The team offers Content Marketing and Graphic Design.
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    Industries

  • 393
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    Yucaipa, CA
    Peaks Advertising is a social media marketing agency. They were founded in 2016, and their services include Social Media Marketing and Web Design.
    Read More
  • 394
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    Los Angeles, CA
    Hire Highs is a SEO agency. Launched in 2024, the team offers Search Engine Optimization and Social Media Marketing.
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    Industries

  • 395
    (10 Reviews) 4.8

    Timeliness

    4.6

    Service Excellence

    4.9

    Value

    4.6

    Would Recommend

    4.9
    $1,000+
    1,000 - 9,999 employees
    Santa Monica, CA
    Customer Service Outsourcing company Boldr. Is based in Santa Monica, California; Pasig, Philippines; Mérida, Mexico and Tacloban City, Philippines. The large team provides Customer Service Outsourcing, Call Center Services, Back Office Outsourcing, Employer of Record (EOR) Services, and more and was launched in 2016.
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    Industries

  • 396
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Altadena, CA
    Established in 2017, Demand Infotech Solutions is a branding firm. The team provides Branding and Market Research.
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  • 397
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    San Jose, CA
    Mumba Technologies is an IT strategy consulting company. Launched in 2010, the team offers IT strategy consulting and BI & big data consulting & SI.
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  • 398
    (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

  • 399
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    San Francisco, CA
    Speechpad, a midsize Transcription company, is headquartered in San Francisco, California and Hollywood, Florida. The team specializes in Transcription and Translation.
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  • 400
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    250 - 999 employees
    Fresno, CA
    Buzzing Technology Inc is a midsize call center service launched in 2014. Their team focuses on Call Center Services and Staffing.
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  • 401
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    50 - 249 employees
    San Bernardino, CA
    Information Process Solutions (IPS USA), an user experience agency, was launched in 2017. The midsize team offers UX/UI Design and BI & big data consulting & SI.
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    Industries

  • 402
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    San Francisco, CA
    BuzzBoard is a CRM consulting and SI company. The team is in San Francisco, California and Lyndhurst, New Jersey, and their services include CRM consulting and SI and Sales Outsourcing.
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    Industries

  • 403
    (0 Reviews)

    Not yet reviewed.

    $10,000+
    10 - 49 employees
    San Francisco, CA
    Activate is a New York, New York-based Business Consulting company. They specialize in Business Consulting and Marketing Strategy and were launched in 2010.
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  • 404
    (0 Reviews)

    Not yet reviewed.

    $50,000+
    1,000 - 9,999 employees
    San Diego, CA
    Redial BPO Call Center is an answering service established in 2017. The agency offers Call Center Services and Customer Service Outsourcing.
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    Clients

    Soaren Management Home Run

    Industries

  • 405
    (17 Reviews) 4.9

    Timeliness

    4.9

    Service Excellence

    4.9

    Value

    4.9

    Would Recommend

    5.0
    $5,000+
    250 - 999 employees
    Los Angeles, CA

    SkyTech Solutions is a non-voice bpo/back office services company established in 2013. They are headquartered in Dhaka, Bangladesh and Los Angeles, California and have a midsize team. The agency focuses on non-voice bpo/back office services, voice services, graphic design, web design, and more.

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    Industries

  • 406
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    1,000 - 9,999 employees
    San Mateo, CA
    Motif is a large answering service company headquartered in San Mateo, California and Ahmedabad, India. The team specializes in Call Center Services.
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    Industries

  • 407
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    250 - 999 employees
    Newport Beach, CA
    Exavalu is an IT strategy consulting company. Launched in 2018, the agency offers IT strategy consulting and CRM consulting and SI.
    Read More

    Industries

  • 408
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    1,000 - 9,999 employees
    Los Angeles, CA
    Collective Solution is a large answering service company founded in 2002. Their team provides Call Center Services and Customer Service Outsourcing.
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    Industries

  • 409
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    250 - 999 employees
    Irvine, CA
    Tech-Synergy is a Business Consulting company. The team offers Business Consulting and Call Center Services and is in Irvine, California and Dumaguete, Philippines.
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  • 410
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    1,000 - 9,999 employees
    Huntington Beach, CA
    Kaizen BPO LLC is a Customer Service Outsourcing company founded in 2018. The large team specializes in Customer Service Outsourcing and Call Center Services.
    Read More
  • 411
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    50 - 249 employees
    Fremont, CA
    H-Line Soft is a midsize Back Office Outsourcing company based in Secunderabad, India and Fremont, California. The team provides Back Office Outsourcing and HR Consulting.
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    Industries

  • 412
    (0 Reviews)

    Not yet reviewed.

    $10,000+
    1,000 - 9,999 employees
    South San Francisco, CA
    Intelassist is an Accounting company. The company is based in Quezon City, Philippines and South San Francisco, California. Their team specializes in Accounting and Call Center Services.
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    Industries

  • 413
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    250 - 999 employees
    San Francisco, CA
    Launched in 2012, S2W Media is a Business Consulting company. The team specializes in Business Consulting and Email Marketing and is located in New York, New York and San Francisco, California.
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  • 414
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    250 - 999 employees
    Jurupa Valley, CA
    Telephone answering service One World Direct was founded in 1994. The team specializes in Call Center Services and Back Office Outsourcing.
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  • 415
    (0 Reviews)

    Not yet reviewed.

    $100,000+
    1,000 - 9,999 employees
    San Diego, CA
    Call Center Services International, a telephone answering service, is based in San Diego, California and Tijuana, Mexico. They focus on Call Center Services and Customer Service Outsourcing.
    Read More

    Industries

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