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 × Corporate Services ×Clear Filters
  • 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

    Influx Services

    • Customer Support
    • Call Centers
    • BPO
    • HR Outsourcing
    • AI Development
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Linktree
    • Meshki
    • Casely
    • BearPaw
    • Asana Rebel
    • Classpass
    • QSIC
    • Autopilot
    • Melinda Maria
    • Yazio
    Data sourced from the agency's DesignRush profile
  • 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

    Martal Group Services

    • Email Marketing
    • Digital Marketing
    • Social Media Marketing
    • BPO
    • Digital Strategy
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Clickworker.com
    • Incentives-Solutions.com
    • Semasio.com
    • Kipod.com
    • Favendo.com
    • Weezmo.com
    • Intech-Global.com
    • NemoNano.com
    • Indoorgo.com
    • Vidmind.com
    Data sourced from the agency's DesignRush profile

    Martal Group Reviews & Testimonials

    • Nidhi Jaiswal
      Nidhi Jaiswal Marketing Executive at Social Frontier
      5.0★

      Marketing Review from Nidhi Jaiswal

      From the very start, their team was very professional, communicated in a timely manner, and was very familiar with B2B lead generation. We were just surprised at their team culture and their desire to work hand-in-hand with our team. It felt like they were not an external vendor but a true partner in all respects.Throughout our working time together, Martal always produced excellent work while keeping us informed and engaged. They are solution-oriented, proactive, and willing to share ideas that enhance performance. It is not often that you find a team that is so concerned about your success.What we value most is their honesty and commitment to building something that will last. They don't seek quick wins but work to build outcomes that last and can potentially expand. With their experience combined with a well-structured plan, they are a reliable and outcome-driven collaborator.If you need to reach more customers and you would like to have a company that is concerned about your success, you can rely on Martal Group. We highly recommend that you use their services.

    • Anas Aftab
      Anas Aftab Outreach Manager at Get Pro Links
      5.0★

      Digital Marketing Review from Anas Aftab

      Working with Martal Group has been an absolute pleasure. Their team is collaborative and transparent and consistently delivers on their commitments with professionalism and expertise. From the start, it was clear they are passionate about building meaningful and lasting business relationships.What stands out most is their willingness to go above and beyond. Whether its sharing valuable insights, offering timely support, or simply being approachable and helpful, Martal Group has proven to be a reliable partner. Their depth of knowledge in the B2B space, paired with a genuine dedication to helping businesses grow, makes them a standout organization.If you're looking for a team that values collaboration, transparency, and long-term success, Martal Group is an excellent choice.

    • Doug McLean
      Doug McLean VP of Global Sales and Channels at Complete EDI
      5.0★

      Call Centers Review from Doug McLean

      Martal Group was able to facilitate Complete EDI’s first ever outbound lead generation efforts in the company’s history. Following the onboarding process, Martal was able to deliver 2 sales-qualified leads within the second week of campaigns and by the end of the 3 month pilot period had 14 sales-qualified leads.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • 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

    Ansafone Services

    • Call Centers
    • Phone Answering Services
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Healthcare Industy
    • Finance Industry
    • Corporate Services Industry
    • Telecommunications Industry
    Data sourced from the agency's DesignRush profile

    Ansafone Reviews & Testimonials

    • Anonymous
      Anonymous HealthCare Receptionist at Undisclosed
      5.0★

      Call Centers Review from Anonymous

      Please extend our sincere thanks to the team for all they are doing on behalf of our patients, providers, and partners. Their efforts have given welcome bandwidth our clinic staff to focus on the people in front of them and on better health outcomes. Even from my start in June I have seen (and been told) the great improvement in the quality of our patient interactions and clinic communications. I have been so encouraged by the team's willingness to do the right thing, to constantly coach and improve, adapt to change, and treat the patients with empathy and respect. Thank you. I am looking forward to what next year brings as we bring on our remaining clinics, launch new or improved campaigns, and continue to build a foundation for success, growth, and patient care that sets a new benchmark!

    • Anonymous
      Anonymous CEO at Undisclosed
      5.0★

      Call Centers Review from Anonymous

      I am highly impressed with the exceptional level of customer service, reporting and professionalism with Ansafone. I have worked with them for many years and found them to be action oriented and focused on quality performance.

    • Undisclosed
      Undisclosed Owner at Home Health Care
      5.0★

      Call Centers Review from Undisclosed

      Ansafone always goes above and beyond! They are always professional and ensure all messages are properly handled. If I have any questions or concerns, I can always count on my representative Dave! Thank you for your excellent service.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • 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

    Highpower Services

    • Call Centers
    • BPO
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Finance Industry
    • Corporate Services Industry
    • Healthcare Industry
    Data sourced from the agency's DesignRush profile

    Highpower Reviews & Testimonials

    • Nheam Hossine
      Nheam Hossine Review from Google
      5.0★

      Nheam Hossine's Review Sourced from Google

      I grew my bussiness over 70% working with them, they offer the highest quality call service and have made running my bussiness a lot easier! Highly recommend!

    • Sami nomair
      Sami nomair Review from Google
      5.0★

      Sami nomair's Review Sourced from Google

      I have been outsourcing my call center for years and I have finally found a company that is amazing not only in customer service but also in sales . Really competitive in pricing and also always delivers the best results. They have helped me grow my business by 20 percent just this year alone .

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • 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

    HiredSupport Services

    • Customer Support
    • BPO
    • Call Centers
    • Phone Answering Services
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • HealthyStuff
    • Online Cycling Gear
    • Fixd App
    • Private Tunnel VPN
    • CoinTree
    • Make Up Eraser
    • WowCube
    Data sourced from the agency's DesignRush profile
  • 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

    Signius Communications Services

    • Call Centers
    • Phone Answering Services
    • Digital Marketing
    • Customer Support
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Finance Industry
    • Retail Industry
    • Corporate Services Industry
    Data sourced from the agency's DesignRush profile
  • 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

    CPC Services

    • Customer Support
    • Call Centers
    • Phone Answering Services
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Omnicom
    • Toyota
    • Strayer University
    Data sourced from the agency's DesignRush profile
  • 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

    Vsynergize Services

    • Phone Answering Services
    • Call Centers
    • BPO
    • Digital Marketing
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Software & IT Services Industry
    • Marketing Industry
    • Telecommunications Industry
    Data sourced from the agency's DesignRush profile
  • 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

    Upcall Services

    • Call Centers
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • LG
    • Airbnb
    • Hotel Tonight
    Data sourced from the agency's DesignRush profile
  • 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

    Tactical TeleSolutions Services

    • Call Centers
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Viewpoint Construction Software, Inc.
    • XIFIN Inc.
    • Independent Marketing Consultant
    Data sourced from the agency's DesignRush profile

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Agencies vetted
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Applicants rejected
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Agencies verified
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