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 × Finance ×Clear Filters
  • 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

    Hugo Services

    • Customer Support
    • Call Centers
    • BPO
    • Phone Answering Services
    • Transcription Services
    • Translation Services
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Google
    • Meta
    • Outschool
    • Topicals
    • Attentive
    • Faire
    • Sakara
    • Aurora
    Data sourced from the agency's DesignRush profile

    Hugo Reviews & Testimonials

    • Greg Digneo
      Greg Digneo founder at content guppy
      5.0★

      B2B Review from Greg Digneo

      Best decision we made last year was partnering with this CX team for our customer support, billing, and sales assistance. We were drowning in client emails and chasing invoices late at night instead of focusing on SEO strategy. Results have been incredible: client response times dropped from hours to under an hour, payment collection improved 60%, landing page conversions up 28%, and client retention increased 35%. They integrated seamlessly with our systems and scaled with us as we grew. Now we have more time to focus on delivering SEO results instead of being stuck in support tickets all day. If you're an agency juggling client support with campaign management, this team is a game-changer.

    • Nimmit Shah
      Nimmit Shah Owner at Pi Asset Management Ltd
      5.0★

      BPO Review from Nimmit Shah

      Collaborating with Hugo elevated our property management firm's performance. Their support solutions slashed response times by 40% and boosted tenant satisfaction by 30%. Hugo's seamless integration proved instrumental in propelling our business forward, setting new benchmarks in operational excellence.

    • Jambu Subramanian
      Jambu Subramanian Senior Manager of Operations at Kasha Global
      5.0★

      Customer Support Review from Jambu Subramanian

      Their team quickly integrated into our workflow, demonstrating a deep understanding of our business needs. We were impressed by their professionalism and the ease with which they handled complex customer inquiries. Hugo's technical support team showed exceptional problem-solving skills, significantly reducing resolution times for order issues.

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

    Callbox Services

    • Managed Services
    • Cloud Consulting
    • Digital Marketing
    • ERP Consulting
    • CRM Consulting
    • BPO
    • Event Marketing
    • SEO
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Amazon
    • Google
    • Microsoft
    • Workday
    • SAP
    • Telefonica
    • Zendesk
    • opentext
    • Yandex
    • NEC
    Data sourced from the agency's DesignRush profile

    Callbox Reviews & Testimonials

    • Joachim Fong
      Joachim Fong Regional Marketing Specialist at Malvern Panalytical
      5.0★

      Lead Generation Review from Joachim Fong

      For the past year, Callbox has provided us with satisfactory lead generating and lead nurturing services. They were instrumental in securing attendees for our events, scheduling client appointments and facilitating the sale of one of our benchtop systems. Their professionalism in conveying our product attributes and valued solutions to prospective customers has brought us results.

    • Jonathan Anderson
      Jonathan Anderson Owner at ABS
      5.0★

      Lead Generation Review from Jonathan Anderson

      I’ve used Callbox now for about four months for my internet marketing company. The first two months they did not pay off. However with some additional training on my part, they started to close a higher percentage of my target audience. They’re really smart, nice and are really working hard to keep my business. My dedicated team keeps me up-to-date through frequent communications. My R.O.I is getting stronger and my CPA is starting to drop.

    • Ted Calvin
      Ted Calvin Co-Founder & Vice President at Charted Energy
      5.0★

      Appointment Setting Review from Ted Calvin

      Charted Energy has enjoyed a productive relationship with Callbox. They have done a great job of helping us target prospects within the markets we serve as well as qualify leads and set up appointments with decision-makers. Callbox has generally exceeded the number of leads per week we expected and provides a good value by enabling our inside sales team.

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

    Hamedia Services

    • Graphic Design
    • Video Production
    • Branding
    • Web Design
    • Web Development
    • WordPress Website Design
    • Social Media Marketing
    • Customer Support
    • Digital Marketing
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Secure Guard Security Services
    • SUSGlobal Enterprises
    • Guard Force
    Data sourced from the agency's DesignRush profile

    Hamedia Reviews & Testimonials

    • Haelie Ford
      Haelie Ford Review from Google
      5.0★

      Haelie Ford's Review Sourced from Google

      If you're looking for a team with a strong creative edge and a good sense of social media trends, Hamedia is worth considering. Just be clear about your expectations, timelines, and brand identity from the start to get the most out of the partnership.

    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
  • 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

    Flatworld Solutions Services

    • BPO
    • Call Centers
    • Transcription Services
    • Phone Answering Services
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Alcon
    • Rogers
    • Msn
    Data sourced from the agency's DesignRush profile
  • 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

    Grow Your Sales Pipeline Services

    • Direct Marketing
    • Business Consulting
    • Email Marketing
    • Call Centers
    • Advertising
    • Customer Support
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • tap/QA, LLC
    • InterplX Expense Management
    • eDynamic Learning
    • mTab LLC
    • Lighthouse Software
    • Hoonuit, LLC
    • MakeMusic
    • Great Bay Software, Inc
    • Convey
    • OptiMine
    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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