Explore the top-rated call centers in California that offer a variety of telecommunication services for your business. Use our practical filter to select your ideal partner by budget, client reviews, team size and more.

Organic rankings are determined by five factors: top services, reviews, portfolio, awards/press, and team expertise. Sponsored listings pay for a placement that appears above organic positions. Sponsorship does not affect star ratings or review content - read more on our methodology page.

United States × California × Sort by: Organic Rankings ×Clear Filters
  • Passion for People, Excellence in Service

    Passion for People, Excellence in Service

    A minority-owned BPO company specializing in customer service, sales, and recruitment process outsourcing. Leveraging award-winning innovations in training and coaching, the agency delivers exceptional customer experiences while boosting satisfaction, loyalty, and operational efficiency...

    Top Services:

    • Call Centers
    • BPO
    Location
    Thousand Oaks, California
    Number of Employees
    500 - 999
    Minimal Budget
    $1,000 - $10,000
  • Influx

    VerifiedVerified by the DesignRush team for authenticity and credibility.

    Influx.com are the experts in on-brand 24/7 customer support, since 2013..

    Influx staffs dedicated call center teams for inbound, outbound, and after-hours coverage across the Americas, Europe, and APAC. Since 2013, the call center provider has served 750+ brands on month-to-month plans with no lock-in and a 7-day launch window...

    Top Services:

    • Customer Support
    • Call Centers
    • BPO
    • HR Outsourcing
    • AI Development
    • Show more
    Location
    West Hollywood, California
    Number of Employees
    1000 & Up
    Portfolios Count
    2 Projects Listed
  • Hugo

    VerifiedVerified by the DesignRush team for authenticity and credibility.

    World-Class Outsourced Teams Operating 24/7 Globally, in 60+ Languages

    Hugo deploys dedicated inbound and outbound call center teams across 60+ languages, with 24/7 coverage and 99.9% uptime. Its university-educated agents deliver 88% first call resolution. The call center provider is ISO 27001, HIPAA, and SOC 2 certified...

    Top Services:

    • Customer Support
    • Call Centers
    • BPO
    • Phone Answering Services
    • Transcription Services
    • Show more
    Location
    San Francisco, California
    Number of Employees
    1000 & Up
    Average Hourly Rate
    $10/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    8 Projects Listed

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We review agency work, case studies, and results to confirm skill.

Applicants rejected
49%
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Agencies verified
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