Callbox, Martal Group, CIENCE, TeleDirect, Leadium - these are among the top telemarketing companies sales teams rely on to generate qualified leads, increase conversion rates, and build consistent pipelines through targeted outreach and performance-driven communication strategies.

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.

Telemarketing × Other × Sort by: Organic Rankings ×Clear Filters
  • Redefining Customer Experience

    Top Customer Service is an AI-assisted call center and BPO company, combining human agents with AI tools to deliver 24/7 inbound call handling, outbound support, live chat, and virtual assistant services. The agency caters to clients across eCommerce, media, entertainment, and automotive sectors...

    Top Services:

    • Customer Support
    • Call Centers
    • BPO
    • Phone Answering Services
    • Show more
    Location
    Albany, New York
    Number of Employees
    500 - 999
    Average Hourly Rate
    $10/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    26 Projects Listed

    Top Customer Service Services

    • Customer Support
    • Call Centers
    • BPO
    • Phone Answering Services
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Trainual Inc
    • 15Five
    • ElectrIQ Marketing
    • YCharts
    • PERQ
    • GMass
    • Heinz Marketing Inc
    • Arch-Con Corporation
    Data sourced from the agency's DesignRush profile

    Top Customer Service Reviews & Testimonials

    • Manoj Thenua
      Manoj Thenua Chief Executive Officer at Medico Hub
      5.0★

      Customer Support Review from Manoj Thenua

      I recently engaged a customer support provider to manage client service and support tasks for my healthcare-oriented platform. From the outset, their team was extremely professional, responsive and attentive. Their onboarding process was smooth, prompt, and well-organized. Throughout the project they handled all support tickets including account queries, billing questions, technical issues and general user guidance with empathy and clarity.What impressed me most was their commitment to quality: they consistently responded quickly to inquiries (often within minutes), maintained a helpful and courteous tone, and followed up until the users problems were fully resolved. Feedback from my users has been overwhelmingly positive: many praised how easy it was to get help and how satisfied they were with the assistance.Thanks to their efficient support, user satisfaction and retention improved noticeably compared to the period before they handled support. I also experienced fewer escalations and received fewer complaints overall. Their professionalism and consistency gave me peace of mind and freed me to focus on growing the platform rather than handling day-to-day support issues.Overall, working with them has been a very positive and productive experience the quality of support exceeded my expectations.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • With 3.6 million calls handled and 97.6% answered within three rings, Face For Business providestelephone answering, virtual receptionist, outsourced switchboard, appointment booking, and live chat services to UK businesses across legal, healthcare, construction, accountancy, and retail sectors...

    Top Services:

    • Phone Answering Services
    • Call Centers
    • Customer Support
    Location
    Burscough, United Kingdom
    Number of Employees
    Under 49
    Portfolios Count
    5 Projects Listed

    Face for Business Services

    • Phone Answering Services
    • Call Centers
    • Customer Support
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Pure West Radio
    • iLove homes Walsall
    • Anji Hazell
    • Lancasters Estate Agents
    • Actuation Valve
    • Formby GP
    • Minshull Windows
    • AmpEV
    • PhysioGO
    • Happy Dog Haven
    Data sourced from the agency's DesignRush profile

    Face for Business Reviews & Testimonials

    • Anonymous
      Anonymous CEO at GrowPortfolio Ltd
      5.0★

      Phone Answering Services Review from Anonymous

      Top quality service and customer care, really impressed with Face for Business and I couldn't recommend them any higher!

    • Nora
      Nora Owner at Undisclosed
      5.0★

      Phone Answering Services Review from Nora

      We have been using Face for Business services for a few years for our financial advice company. We can not fault their service, it has proved extremely useful, especially post-Covid in particular when we all moved to working from home rather than being in an office.

    • Joshie
      Joshie Founder at Undisclosed
      5.0★

      Phone Answering Services Review from Joshie

      I took over a busy clinic a few months back and on the days there is nobody to answer the phone these guys are ready to step in and intercept the calls ensuring no business is lost. I am very thankful for this great service and I highly recommend Face For Business as a professional and friendly team!

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

    Voicentric are specialists in scientific marketing for Life and Materials Science companies. We deliver intelligent telemarketing and B2B lead generation that connects you directly with decision-makers worldwide. Our multilingual team excels at engaging scientists with complex technical information, building...

    Top Services:

    • Direct Marketing
    • Call Centers
    • Digital Marketing
    • Advertising
    • Event Marketing
    • Show more
    Location
    Durham, United Kingdom
    Number of Employees
    50 - 99
    Average Hourly Rate
    $47/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    5 Projects Listed

    Voicentric Services

    • Direct Marketing
    • Call Centers
    • Digital Marketing
    • Advertising
    • Event Marketing
    • Market Research
    • Phone Answering Services
    • Customer Support
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Food and Beverage Industry
    • Corporate Services Industry
    • Health Care Industry
    Data sourced from the agency's DesignRush profile
  • 24/7 Live Answering, Virtual Receptionist & Call Center Solutions

    AnswerFirst helps businesses stay connected with real, helpful people answering every call day or night. No bots. No scripts. Just trained Customer Service Professionals who know how to support your customers when it matters most...

    Top Services:

    • Phone Answering Services
    • Call Centers
    • Customer Support
    Location
    Tampa, Florida
    Number of Employees
    100 - 249
    Minimal Budget
    Under $1,000

    AnswerFirst Communications Services

    • Phone Answering Services
    • Call Centers
    • Customer Support
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • AAMCO
    • ABM
    • AFC Urgent Care
    • AFLAC
    • Bauer Food, LLC (Operates McDonald's)
    • Berkshire Hathaway
    • Brookhaven National Lab
    • Coldwell Banker
    • Century 21
    • Cushman and Wakefield
    Data sourced from the agency's DesignRush profile

    AnswerFirst Communications Reviews & Testimonials

    • Johnson Legal PLLC
      Johnson Legal PLLC Review from Google
      1.0★

      Johnson Legal PLLC's Review Sourced from Google

      As a small law office, we used AnswerFirst for about a year. We opted not to have calls recorded as their system has an irritating "beep" that sounds in the background while customers are on the phone. We thought things were going well. Several months later we signed up for CallRail, which recorded all incoming calls. We began to see a pattern of poorly handled calls. When we shared this information with management, and offered to provide the recording, they said "no thanks." The probems continued. For instance one caller asked if we did simple Wills. The AnswerFirst agent said, "No, we only do Estate Planning." After sharing these simple issues with management nothing changed. We asked if they could give us an adjustment to our bill based on the poorly handled responses. They said "No." We notified them this week we were switching carriers and they acted like they could care less. DO NOT use them as they cannot handle the simplest of calls.

    • Demetri Karoutsos
      Demetri Karoutsos Review from Google
      5.0★

      Demetri Karoutsos's Review Sourced from Google

      Outstanding After-Hours Answering Service – Highly Recommend for Service-Based BusinessesWe've transitioned to AnswerFirst about four months ago for our after-hours answering service needs, and they’ve exceeded every expectation. Their live agent support, combined with responsive customer service and advanced technology integration, has provided our team with a seamless and professional solution that far surpasses our previous provider.What sets AnswerFirst apart is their adaptability to our unique workflows, quick response times, and overall attention to detail. As a service business, having a reliable, U.S.-based call center is essential and AnswerFirst delivers with consistency and clarity.Their platform gives us the functionality we need, and the quality of their after-hours call handling has significantly improved both our internal efficiency and our customer experience.If you're a service-based company looking for high-quality live agents, professional support, and a partner who understands urgency and accountability, I highly recommend AnswerFirst. Exceptional value, exceptional team.Demetri KaroutsosDirector, CareMaster

    • Scott Lady
      Scott Lady Review from Google
      5.0★

      Scott Lady's Review Sourced from Google

      Finally, and I mean FINALLY an inbound call center who does what they say they will do, and does it excellently.Danielle and Robert have been incredible helping me with my campaigns, and ensuring everything is flowing smoothly.I highly recommend giving them a shot for your call inbound call needs.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Australia-based Provider Of Lead Generation Services

    Callbox Australia is a leading global provider of B2B lead generation services, trusted by companies across ANZ and beyond. Since 2004, weve been helping businesses achieve their revenue goals and unlock growth potential. With expertise in lead generation, appointment setting, and data solutions, we have...

    Top Services:

    • Digital Marketing
    • Call Centers
    • Event Marketing
    Location
    Camperdown, Australia
    Number of Employees
    500 - 999

    Callbox Australia Services

    • Digital Marketing
    • Call Centers
    • Event Marketing
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Outfund
    • AdvantageNZ
    • Allotrac
    • Acer
    • Yularatech Pvt Ltd
    • KUDO
    • KOR Creative
    • Telefonica
    Data sourced from the agency's DesignRush profile

    Callbox Australia Reviews & Testimonials

    • Hesson Mak
      Hesson Mak Review from Google
      5.0★

      Hesson Mak's Review Sourced from Google

      Van was a very helpful rep for Callbox - taking me through some of the key considerations of using Callbox and it really helped me to shape my business decision. I would recommend a consult with Van to better understand the direction your team could take and to make a call!

    • Dirk de Vos
      Dirk de Vos Review from Google
      5.0★

      Dirk de Vos's Review Sourced from Google

      Speaking to Van, his friendly and professional approach to working with us has been outstanding. Van and Jesse have really worked well in getting the key stakeholders together and explain the approach from Callbox. Looking forward to seeing the goals achieved by the Callbox team.

    • Shikin Osman
      Shikin Osman Review from Google
      5.0★

      Shikin Osman's Review Sourced from Google

      Van-R was detailed and informative in sharing his product info. He was able to provide insights how Callbox could potentially assist in our upcoming project with their suite of products offering. He is approachable and able to assist with our queries too. Thanks Van :) - Nora, ie IDEAS

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Your employee costs, re-imagined lower

    Kimon Services is a UK-based company specializing in cost-effective outsourced business admin solutions, including dedicated customer support, data entry, and back-office staffing. We offer managed offshore teams and Employer of Record (EOR) services tailored to client needs, helping businesses reduce costs...

    Top Services:

    • BPO
    • Customer Support
    • Accounting
    • HR Outsourcing
    • Phone Answering Services
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    1000 & Up
    Average Hourly Rate
    $10/hr
    Minimal Budget
    Under $1,000

    Kimon Services Services

    • BPO
    • Customer Support
    • Accounting
    • HR Outsourcing
    • Phone Answering Services
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Global Guardians
    • GorillaHub
    • 21st Century AV Ltd
    • n-gage messenger
    • Meeting Store
    • PNG CR
    Data sourced from the agency's DesignRush profile

    Kimon Services Reviews & Testimonials

    • Martin F
      Martin F Review from Google
      5.0★

      Martin F's Review Sourced from Google

      Excellent company. Michael works hard to understand your needs and create a customised service around your specific requirements. The VA's have been able to accurately fulfil our scope of work and at an affordable price point.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Professional Multilingual Communication And Support At Scale

    Fluency LLC provides a comprehensive suite of human-led call center services designed to bridge communication gaps and enhance customer experience. Based in Columbus, Ohio, we specialize in high-stakes environments where linguistic precision and cultural empathy are essential...

    Top Services:

    • Call Centers
    • BPO
    • Translation Services
    • Customer Support
    • Phone Answering Services
    • Show more
    Location
    Hilliard, Ohio
    Number of Employees
    Under 49
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    2 Projects Listed

    Fluency LLC Services

    • Call Centers
    • BPO
    • Translation Services
    • Customer Support
    • Phone Answering Services
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Appex Business Solutions
    • Red And Blue Logistics
    • The Bigword
    Data sourced from the agency's DesignRush profile
  • Empowering Teams & Streamlining Global Operations

    KamelBPO helps businesses build dedicated offshore teams in the Philippines. Based in Clark and Canadian-owned, we recruit full-time staff for travel sales, customer service, education, technical support and back-office operations. Clients direct their teams while we handle recruitment and local HR, payroll...

    Top Services:

    • BPO
    • Call Centers
    • Customer Support
    • HR Outsourcing
    • Show more
    Location
    Angeles, Philippines
    Number of Employees
    100 - 249

    KamelBPO Services

    • BPO
    • Call Centers
    • Customer Support
    • HR Outsourcing
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Health Care Industry
    • Education Industry
    • Finance Industry
    Data sourced from the agency's DesignRush profile

    KamelBPO Reviews & Testimonials

    • Princess Mendoza
      Princess Mendoza Review from Google
      5.0★

      Princess Mendoza's Review Sourced from Google

      Five stars for the amazing culture! Working at KamelBPO has been a great experience. It’s a fun environment where you feel motivated every day, and the management truly supports your growth. Highly recommend!

    • Rolando Jacinto (Pinkish)
      Rolando Jacinto (Pinkish) Review from Google
      5.0★

      Rolando Jacinto (Pinkish)'s Review Sourced from Google

      As an independent contractor at Kamel Media, I can say that this company is truly amazing and promotes a great work-life balance. I would definitely recommend it to my friends who feel exhausted in companies that only prioritize numbers rather than their employees.I worked in the BPO industry for quite some time, and I used to feel very tired and burned out. That changed when I discovered Kamel Media. The environment here is supportive, and the team genuinely cares about the people they work with.The support has been excellent, and I am very grateful. Thank you, Kurt and Mariannah! 😊

    • Jenielyn Cayabyab
      Jenielyn Cayabyab Review from Google
      5.0★

      Jenielyn Cayabyab's Review Sourced from Google

      I’m truly glad to be part of CamelBPO. It’s a wonderful company with a supportive and kind team that continuously helps me grow and push myself to reach my best potential.I’m grateful for the opportunities and guidance I receive here, and I look forward to growing even more with the company in the future.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Global Standard Talent from Bangladesh

    Cloudesk Offshore Staffing is an Australian-registered offshore staffing company with back-office operations in Bangladesh. We specialise in virtual assistants, customer support, administration, software development, web development, digital marketing, SEO, UI/UX design, and accounting. Our recruitment...

    Top Services:

    • WordPress Website Design
    • Digital Marketing
    • SEO
    • PPC
    • Content Marketing
    • Show more
    Location
    Melbourne, Australia
    Number of Employees
    Under 49
    Average Hourly Rate
    $25/hr

    Cloudesk Offshore Staffing Services

    • WordPress Website Design
    • Digital Marketing
    • SEO
    • PPC
    • Content Marketing
    • Software Development
    • IT Services
    • BPO
    • HR Outsourcing
    • Call Centers
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Carbon Savers
    • Advantage Solar
    • Cyanergy
    Data sourced from the agency's DesignRush profile
  • Simplify Sales Process, Amplify Your Success.

    AsterSense provides tailored CRM solutions, contact centre services, and WhatsApp integrations to enhance business efficiency, customer engagement, and growth...

    Top Services:

    • CRM Consulting
    • Call Centers
    Location
    Singapore, Singapore
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $1,000 - $10,000

    AsterSense Pte. Ltd. Services

    • CRM Consulting
    • Call Centers
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Atlas Capital
    • White Artz Carpentry
    • Food Ventures
    Data sourced from the agency's DesignRush profile
  • Bringing people and technology together.

    Cavinolr Recruiters specializes in connecting top-tier talent with organizations in CS, Retention , sales, life sciences, healthcare, and biotechnology sectors. The firm combines industry expertise with personalized strategies to deliver exceptional recruitment solutions tailored to clients' unique needs...

    Top Services:

    • BPO
    • Phone Answering Services
    • Translation Services
    • Customer Support
    • Show more
    Location
    Plantation, Florida
    Number of Employees
    250 - 499
    Average Hourly Rate
    $12/hr
    Minimal Budget
    $1,000 - $10,000

    Cavinol Panama Services

    • BPO
    • Phone Answering Services
    • Translation Services
    • Customer Support
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Global Labs
    • Sunshine Global Health
    • Great VirtualWorks
    • Great HealthWorks
    • Virtual Connect Maketing
    • Wright Marketing Consulting
    • DreamReach Virtuals
    Data sourced from the agency's DesignRush profile
  • The Clear Voice For Your Business

    Orvex Group is a trusted BPO and digital solutions company delivering Telemarketing, Customer Support, Sales, Lead Generation, SEO, Web Development and Digital Marketing. We help businesses connect better, sell smarter and grow faster through professional people, modern solutions and performance driven...

    Top Services:

    • Call Centers
    • BPO
    • Direct Marketing
    • SEO
    • Digital Marketing
    • Show more
    Location
    Lahore, Pakistan
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr

    Orvex Group Services

    • Call Centers
    • BPO
    • Direct Marketing
    • SEO
    • Digital Marketing
    • Web Design
    • Phone Answering Services
    • Business Consulting
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Ecoplus Power
    • Electra Sparks LLC
    • Winged Foot Energy
    Data sourced from the agency's DesignRush profile

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Every agency is independently vetted before it can be listed or ranked

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Identity Check

We verify businesses and reviewer LinkedIn profiles for integrity.

Agencies vetted
125,672+
2

Portfolio Review

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

Applicants rejected
48%
3

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We monitor listings regularly; outdated agencies are removed.

Agencies verified
12

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See how rankings and monetization work.

5 Frequently Asked Questions About Telemarketing Firms

What do telemarketing companies do?

Telemarketing agencies use phone-based direct marketing to sell products, generate leads, or book appointments on behalf of businesses, performing both outbound and inbound calls to grow sales pipelines and client relationships. 

As all telemarketing interactions involve direct human contact, the approach allows them to influence potential customers’ opinions, purchasing habits, or perceptions toward a brand. 

What services do telemarketing firms provide?

Telemarketing services for businesses can be split into two main categories: inbound and outbound.  

  • Inbound telemarketing services cover customer support calls, namely technical support, order taking, billing inquiries, upselling, and virtual receptionist service, to name a few. They can support both B2B and B2C companies. 
  • Outbound telemarketing services, also referred to as proactive outreach, are intended to boost businesses’ bottom line. This category comprises several different service types, including lead qualification, appointment setting, cold calling, customer reactivation, and more. 

B2B telemarketing companies are often hired to assist non-profit organizations in soliciting donations or to collect debt and follow up on overdue accounts on behalf of other businesses.   

How much do telemarketing agencies charge for their services?

Telemarketing agencies charge between $7 and $75 per hour for their services. The service cost can also vary based on location (offshore vs. onshore), campaign complexity, duration, and agent experience, with B2B telemarketing campaigns often costing more than B2C.  

Other common pricing models include: 

  • Per-lead: $35 to $60 per qualified lead 
  • Flat-rate: $650+ for a 4-week campaign 
  • Commission-based: 5% to 20% of each closed sale 

How long do telemarketing campaigns take?

Telemarketing campaigns usually take a few months, as lead nurturing takes multiple phone calls for telemarketers to engage with a prospect and close a sale.  

Although initial lead generation begins within the first few weeks, for a full, effective cycle, the campaigns are run between 3 and 6 months. The average campaign takes about 14 weeks to reach an optimum level of opportunities per day. The length also depends on the campaign type:  

  • Pilot and trial campaigns: Usually run for 10 to 12 weeks to test the market, refine the pitch, and validate traction. 
  • Short campaigns: 4 to 6 weeks for time-sensitive promotions or event registrations. 
  • Long-term campaigns: 6 months to over a year for slow B2B sales cycles that require more lead nurturing. 

What kind of ROI can businesses expect from telemarketing campaigns?

 Lucrative telemarketing campaigns often result in a 5:1 to 10:1 return on investment (ROI), meaning $5 to $10 in revenue for every $1 spent. The return rate depends on the quality of the call lists, the persuasion skill of the callers, the product, the offer, and whether it's part of a multi-channel strategy. Notably, ROI grows over time through stronger customer retention and better targeting informed by feedback from calls. 

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