Need a trusted telemarketing agency in California to drive your business growth? DesignRush is the platform that Fortune 500 brands rely on to find service providers. With over 100,000 client-agency matches made each month and 40,000+ vetted agencies, we ensure you find the best fit for your needs. Compare providers by industry expertise, client type, budget, reviews, team size, and portfolio.

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 × Telemarketing × Sort by: Number of Reviews ×Clear Filters
  • Hugo

    VerifiedVerified by the DesignRush team for authenticity and credibility.
    World-Class Outsourced Teams Operating 24/7 Globally, in 60+ Languages

    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
  • Your On-Demand Sales Team

    Your On-Demand Sales Team

    Martal Group runs outsourced B2B cold calling, appointment setting, lead generation, and SDR programs for companies across SaaS, fintech, cybersecurity, healthcare, and manufacturing, powered by 200+ onshore sales executives and proprietary AI outreach...

    Top Services:

    • Email Marketing
    • Digital Marketing
    • Social Media Marketing
    • BPO
    • Digital Strategy
    • Show more
    Location
    San Francisco, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $45/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    5 Projects Listed
  • Grow Your Sales Pipeline With Human + AI

    Grow Your Sales Pipeline With Human + AI

    Founded in 2004 and headquartered in Encino, California, Callbox Inc. is a global leader in outsourced B2B lead generation, appointment setting, and event marketing. With over 20 years of experience and a multilingual team servicing APAC, LATAM, and EMEA, the agency supports medium-sized businesses to...

    Top Services:

    • Managed Services
    • Cloud Consulting
    • Digital Marketing
    • ERP Consulting
    • CRM Consulting
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    500 - 999
    Portfolios Count
    100 Projects Listed
  • Extraordinary Customer Experience Begins with People First.

    Extraordinary Customer Experience Begins with People First.

    Ansafone operates US-based inbound and outbound contact centers with 50 years of experience, offering customer care, client retention, sales, telemarketing, IVR, bilingual support, live chat, and BPO services. The agency serves healthcare, government, retail, energy, property management, and law clients...

    Top Services:

    • Call Centers
    • Phone Answering Services
    Location
    Santa Ana, California
    Number of Employees
    500 - 999
  • We Take Care of Your Calls.

    We Take Care of Your Calls.

    Tele Direct is a call center provider that handles patient scheduling, claims support, lead qualification, seminar reservations, Tier 1 tech support, appointment setting, and outbound telesales, with bilingual English and Spanish agents and dedicated account management on every account...

    Top Services:

    • Phone Answering Services
    • Call Centers
    Location
    Sacramento, California
    Number of Employees
    250 - 499
    Average Hourly Rate
    $100/hr
  • Phone answering solutions that businesses are proud of!

    Phone answering solutions that businesses are proud of!

    Nexa emerges as a trailblazing 24/7 virtual phone answering service renowned for its nationwide operations across the United States. Our forte lies in delivering unparalleled customer experiences through technology-driven call answering solutions, orchestrated by our adept virtual receptionists who possess...

    Top Services:

    • Phone Answering Services
    • Call Centers
    Location
    Camarillo, California
    Number of Employees
    100 - 249
  • 24/7 Live Answering and Call Center Services

    24/7 Live Answering and Call Center Services

    Headquartered in Berkeley, CA, Direct Line Tele Response is nationally recognized as one of the premier service providers in the Answering Service and Call Center industry. We provide solutions for inbound call taking, messaging, urgent dispatch, and other answering services that are available 24/7/365...

    Top Services:

    • Phone Answering Services
    • Digital Marketing
    Location
    Berkeley, California
    Number of Employees
    100 - 249
    Minimal Budget
    Under $1,000
  • Global BPO Company

    Global BPO Company

    Flatworld Solutions (FWS) is a global company offering IT, Data Science, Data Mining, business consulting, and outsourcing solutions since 2002...

    Top Services:

    • BPO
    • Call Centers
    • Transcription Services
    • Phone Answering Services
    • Show more
    Location
    Napa, California
    Number of Employees
    1000 & Up
  • Redefining CX Excellence Through People, Technology and Expertise

    Redefining CX Excellence Through People, Technology and Expertise

    VSynergize is a Global Sales and Marketing services provider. The team is fully devoted to the success of its clients and partners, particularly when it comes to Customer Profiling, Content Creation & Syndication, Lead Generation & Nurturing, Demand Generation, Appointment Setting, BANT Leads, Delivering...

    Top Services:

    • Phone Answering Services
    • Call Centers
    • BPO
    • Digital Marketing
    • Show more
    Location
    San Francisco, California
    Number of Employees
    500 - 999
    Portfolios Count
    2 Projects Listed
  • Cell Center Services You Can Count On

    Cell Center Services You Can Count On

    Signius Communications has 12 locations across the United States, providing expert call center solutions...

    Top Services:

    • Call Centers
    • Phone Answering Services
    • Digital Marketing
    • Customer Support
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    Under 49
  • Omnichannel Solutions

    Omnichannel Solutions

    Upcall is a conversation-driven marketing and sales platform that uses real people to gather insights over the phone. It’s scalable, efficient, and seamlessly integrated within your existing workflow...

    Top Services:

    • Call Centers
    Location
    Walnut, California
    Number of Employees
    Under 49
  • Call Center Excellence

    Call Center Excellence

    Tactical TeleSolutions (TTS) is a boutique lead generation agency in the Bay Area. TTS was established in 1991 and has developed innovative calling campaigns for Start Ups to Fortune 500 clients...

    Top Services:

    • Call Centers
    Location
    San Francisco, California
    Number of Employees
    Under 49
  • Your Customized Call Center Solution.

    Your Customized Call Center Solution.

    HIghPower call center is world renown near shore call center located in the heart of Tijuana minutes from the U.S border. Our team is bilingual, professional, and driven by performance goals. Our Call Center is second to none complete with a corporate structure and professional work environment...

    Top Services:

    • Call Centers
    • BPO
    Location
    Los Angeles, California
    Number of Employees
    Under 49
  • The #1 Customer Service Outsourcing & BPO Company

    The #1 Customer Service Outsourcing & BPO Company

    With a legacy dating back to 2016, HiredSupport stands as a true trailblazer in the outsourced customer support realm...

    Top Services:

    • Customer Support
    • BPO
    • Call Centers
    • Phone Answering Services
    • Show more
    Location
    Rancho Cucamonga, California
    Number of Employees
    Under 49
    Minimal Budget
    Under $1,000
    Portfolios Count
    3 Projects Listed
  • Optimize The Experience.

    Optimize The Experience.

    CPC helps businesses manage every aspect of the customer experience. CPC provides a full suite of outsourced customer contact services, including: text/SMS messaging service (both automated and live, “peer-to-peer” text messaging), social media coverage for businesses, staffed live chat, AI/chat bots...

    Top Services:

    • Customer Support
    • Call Centers
    • Phone Answering Services
    Location
    Manhattan Beach, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $28/hr
    Minimal Budget
    $1,000 - $10,000
  • Able Customer Success Managers Ready to Work

    Able Customer Success Managers Ready to Work

    Trained specialists for delivering positive customer experience allowing you to remain on top of your customers' minds. Outsourced customer support, technical reporting, and back office virtual assistants trained solely to provide upper edge to your overall business...

    Top Services:

    • Call Centers
    • Digital Marketing
    • Customer Support
    Location
    Los Angeles, California
    Number of Employees
    500 - 999
    Average Hourly Rate
    $9/hr
    Minimal Budget
    $10,000 - $25,000
  • Reach your Marketing Milestones with Technology Contact Database

    Reach your Marketing Milestones with Technology Contact Database

    We provide specialized Consultancy and Solutions for Businesses attempting to gain greater popularity in their niches...

    Top Services:

    • Market Research
    • Call Centers
    • Email Marketing
    • Digital Marketing
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    500 - 999
  • Easily Develop Highly-Targeted Custom Lists

    Easily Develop Highly-Targeted Custom Lists

    Pinpoint Technologies, Inc. is a U.S.-based data & list solutions provider that specializes in supplying highly targeted business contact lists. The company serves clients in industrial, engineering & scientific research sectors, offering services such as email/direct mail/telemarketing lists, list...

    Top Services:

    • Call Centers
    Location
    Santa Ana, California
    Number of Employees
    100 - 249
  • Scale Your Business With Quality Outsourced Teams In ‍Back Office Support.

    Scale Your Business With Quality Outsourced Teams In ‍Back Office Support.

    RPM stands out as a comprehensive solution provider, offering bilingual expertise in both English and Spanish, with the flexibility to provide full-time or part-time dedicated resources, fully managed to meet diverse operational needs. Our capabilities span a wide spectrum, encompassing intricate back-office...

    Top Services:

    • BPO
    • Customer Support
    • Call Centers
    • Staff Augmentation
    • Show more
    Location
    San Jose, California
    Number of Employees
    100 - 249
    Minimal Budget
    Under $1,000
  • Better Outsourcing

    Better Outsourcing

    Hamedia is comprised of highly trained individuals who are experts in their respective fields. We take great pride in our ability to provide our clients with the best talent available. Whether you need sales professionals, marketing experts, or customer service representatives, we have team members who can...

    Top Services:

    • Graphic Design
    • Video Production
    • Branding
    • Web Design
    • Web Development
    • Show more
    Location
    Irvine, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $7/hr
    Minimal Budget
    $10,000 - $25,000
  • 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.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
  • Sales Development, Sales Recruiting, and Sales Coaching Services

    Sales Development, Sales Recruiting, and Sales Coaching Services

    Grow Your Sales Pipeline executes high-standard sales development, coaching, and recruiting programs to drive profitable revenue growth for our client partners...

    Top Services:

    • Direct Marketing
    • Business Consulting
    • Email Marketing
    • Call Centers
    • Advertising
    • Show more
    Location
    Roseville, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr

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