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 × Education × Sort by: Top Rated ×Clear Filters
  • Your Partner in AI-Enabled Development, Marketing, eCommerce, Data Management, BI and Ops.

    Tech2Globe provides inbound and outbound call center services as part of its BPO-KPO division, covering customer support, telemarketing, lead generation, virtual assistance, and call center monitoring. With 14+ years of operation and 12,000+ completed projects, it holds a 4.9 rating on DesignRush...

    Top Services:

    • Digital Marketing
    • Web Development
    • eCommerce Development
    • Web Design
    • Social Media Marketing
    • Show more
    Location
    New York City, New York
    Number of Employees
    250 - 499
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    16 Projects Listed
  • Connecting Brands

    A global Digital Marketing Agency helping brands streamline and scale their business with bespoke SEO, Social Media Marketing, PPC, Email Marketing, Content Marketing, Database generation, Lead Generation, Branding, and Website development solutions.We help you grow your business online...

    Top Services:

    • SEO
    • Digital Marketing
    • WordPress Website Design
    • Digital Services
    • Social Media Marketing
    • Show more
    Location
    Pune, India
    Number of Employees
    Under 49
    Average Hourly Rate
    $15/hr
    Minimal Budget
    Under $1,000
  • People-powered answering service

    AnswerConnect offers 24/7 live call answering, inbound call center solutions, live chat, and appointment scheduling for businesses across legal, healthcare, real estate, IT, and franchise sectors. Voted Best Answering Service for 2026, the call center company answers 99% of calls within four rings...

    Top Services:

    • Call Centers
    • Phone Answering Services
    • Customer Support
    Location
    Portland, Oregon
    Number of Employees
    1000 & Up
    Minimal Budget
    Under $1,000
  • Expect more from your Contact Center Partner.

    Blue Valley Marketing runs inbound and outbound call center operations covering lead generation, B2B telemarketing, customer service, omnichannel support, market research, customer win-back, live chat, and order processing. It operates with bilingual support from offices in Kansas and California...

    Top Services:

    • Call Centers
    • Customer Support
    • BPO
    • Phone Answering Services
    • Show more
    Location
    Home, Kansas
    Number of Employees
    250 - 499
  • US-Based Outbound SDR Agency. Boutique. Multi-Channel. Real Pipeline.

    Leadium builds each engagement around channel-optimized lead research, identifying whether each prospect is best reached by phone, email, or LinkedIn before outreach begins. Thefirm provides outbound and inbound appointment setting, cold calling, data sourcing, and deliverability management...

    Top Services:

    • Email Marketing
    • BPO
    • CRM Consulting
    • Business Consulting
    • Direct Marketing
    • Show more
    Location
    Las Vegas, Nevada
    Number of Employees
    50 - 99
    Average Hourly Rate
    $50/hr
    Minimal Budget
    Under $1,000
  • Since 1993. Transform Business Digitally. IT Managed Service Provider. IT Infrastructure Builder.

    Over 30 years of experience in the IT Solutions and IT Support, Win-Pro is an institutional powerhouse delivering unparalleled standards to organizations across Singapore, Johor Bahru, and Kuala Lumpur. Our Outsourced IT Managed Services Company is leading the way with IT services for business...

    Top Services:

    • IT Services
    • Customer Support
    • Managed Services
    • Cybersecurity
    • Cloud Consulting
    • Show more
    Location
    Singapore, Singapore
    Number of Employees
    Under 49
    Average Hourly Rate
    $99/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    4 Projects Listed
  • where innovation come live

    We firmly believe in serving Innovation, with spiralling advanced technologies. Hence we make sure our team is fully trained and certified with the latest advancements. Our core principles are high reliability, scalability, upgradation, Innovation, and transforming our client's vision into reality...

    Top Services:

    • Blockchain
    • Software Development
    • AI Development
    • Web Development
    • Mobile App Development
    • Show more
    Location
    Noida, India
    Number of Employees
    100 - 249
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    20 Projects Listed
  • Answering Service Care Provides Trained Customer Service Professionals.

    Call center agency Answering Service Care empowers your customer operations with 24/7 live chat, expert lead intake, appointment scheduling, and HIPAA-compliant secure messaging. We ensure every customer interaction is seamless, professional, and reliable, so you never miss a lead or opportunity...

    Top Services:

    • Phone Answering Services
    • Call Centers
    • Customer Support
    • BPO
    • Show more
    Location
    Margate, Florida
    Number of Employees
    Under 49
    Portfolios Count
    3 Projects Listed
  • Simplifying Your Digital Needs With Unlimited Skills

    Protovo Solutions is an experienced and reliable group of digital engineers, problem solvers, thinkers, consultants, and all-around specialists. We believe in providing one-of-a-kind solutions to everyone of our customers, since we are the creators of human experience. Our mission is to simplify the...

    Top Services:

    • CRM Consulting
    • Software Development
    • eCommerce Development
    • Digital Services
    • Web Development
    • Show more
    Location
    Bhilwara, India
    Number of Employees
    Under 49
    Average Hourly Rate
    $20/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    4 Projects Listed
  • Invensis Technologies Achieves 80% Payment Recovery Improvement for US Healthcare Client Through AI-

    Invensis Technologies Achieves 80% Payment Recovery Improvement for US Healthcare Client Through AI-Human Parallel Processing Model...

    Top Services:

    • Call Centers
    • Accounting
    • Logistics
    • Phone Answering Services
    • Customer Support
    • Show more
    Location
    Lewisville, Texas
    Number of Employees
    1000 & Up
    Portfolios Count
    4 Projects Listed
  • Grow your pipeline. We know how. We book appointments.

    VSA is a B2B call center that helps clients generate leads and produce new business; our experienced team takes on what internal sales teams don’t want to do, can’t do well, or don’t have time to do...

    Top Services:

    • Call Centers
    • Market Research
    Location
    Haddon Township, New Jersey
    Number of Employees
    50 - 99
  • Keeping Things Simple

    Infuse your everyday tasks with a real-time, virtual acuity.Task Virtual's team of experts has the timing and expertise to deliver your business needs—from daily duties to big projects requiring quality completion.Empower yourself in this new age digital world where our highly skilled professionals...

    Top Services:

    • SEO
    • Social Media Marketing
    • Customer Support
    • Web Development
    • Graphic Design
    • Show more
    Location
    Kolkata, India
    Number of Employees
    100 - 249
    Average Hourly Rate
    $6/hr
  • Diving Into Technology

    Riseup Labs is a global AI-first technology company delivering software, BPO, and CX solutions that help enterprises innovate faster, scale smarter, and grow sustainably. From Bangladesh to the world, we design and build reliable solutions and agentic workflows that drive real outcomes...

    Top Services:

    • Mobile App Development
    • Web Development
    • eCommerce Development
    • Software Development
    • Staff Augmentation
    • Show more
    Location
    Dhaka, Bangladesh
    Number of Employees
    250 - 499
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    6 Projects Listed
  • IT Support Services for Alabama Businesses

    Your business depends on your IT systems. Were confident that we are the only network services, computer support, or IT consulting business in Alabama that provides these benefits to your business...

    Top Services:

    • IT Services
    • Cybersecurity
    • Managed Services
    • Web Design
    • Business Consulting
    • Show more
    Location
    Birmingham, Alabama
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Portfolios Count
    1 Project Listed
  • Total CX and BPO Services.

    Our core value at ROI CX Solutions is delivering tailored call center outsourcing solutions that scale with your business. Impressive outcomes define our legacy in customized scripting, agent training, and seamless onshore-offshore staffing blends—ensuring 24/7 support that drives exceptional customer...

    Top Services:

    • Call Centers
    • BPO
    • Customer Support
    • Phone Answering Services
    • Show more
    Location
    American Fork, Utah
    Number of Employees
    1000 & Up
    Portfolios Count
    3 Projects Listed
  • The Right Team With A Big Dream

    We specialize in managed and dedicated team staffing for small and large outsourced projects. Combined with a highly trained and educated staff, our company exists to make a deliverable outsourced product managed with Western-style business practices, and delivered with exceeded expectations. Our products are...

    Top Services:

    • Digital Services
    • Digital Strategy
    • Digital Marketing
    • eCommerce
    • Email Marketing
    • Show more
    Location
    Dhaka, Bangladesh
    Number of Employees
    Under 49
    Minimal Budget
    $1,000 - $10,000
  • "Your Trusted Service Partner, Across the Nation."

    ASK 2 PRO delivers expert virtual assistant services nationwide, helping businesses streamline tasks, boost efficiency, and expand their network. From admin to communication, we handle the details so you can focus on growth and success...

    Top Services:

    • Web Development
    • Digital Marketing
    • AI Development
    • HR Outsourcing
    • Customer Support
    • Show more
    Location
    New York City, New York
    Number of Employees
    50 - 99
    Average Hourly Rate
    $7/hr
  • Empowering Customer Experience with AI and Human Expertise-Customized Care Solutions by D3Mynds.

    Empowering Customer Experience with AI and Human Expertise-Customized Care Solutions by D3Mynds. Where AI Meets Human Touch D3Mynds Delivers Customized Customer Care Solutions for a New Era...

    Top Services:

    • BPO
    • Business Consulting
    • Call Centers
    • Phone Answering Services
    • Customer Support
    • Show more
    Location
    Delhi, India
    Number of Employees
    Under 49
    Average Hourly Rate
    $10/hr
    Minimal Budget
    Under $1,000
  • Effortlessly Accurate, Every Time

    Instant Solution is a top BPO company in Bangladesh, offering world-class call center, data management, and business support services globally. With expertise in data processing, customer support, healthcare BPO, and e-commerce, we ensure secure, accurate, and efficient solutions. Operating in Bangladesh and...

    Top Services:

    • BPO
    • Business Consulting
    • Call Centers
    • Phone Answering Services
    • Customer Support
    • Show more
    Location
    Dhaka, Bangladesh
    Number of Employees
    Under 49
    Average Hourly Rate
    $8/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    1 Project Listed
  • B2B Lead Generation | B2B Appointment Setting | Cold Calling Services and More

    CallingAgency books qualified B2B appointments with decision makers for your sales team. We have served more than 2,100+ businesses across 50+ industries in the US, Canada, and Australia...

    Top Services:

    • Call Centers
    • Customer Support
    • Digital Marketing
    Location
    New Castle, Delaware
    Number of Employees
    250 - 499
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
  • Saving You Millions, So You Can Make Billions.

    We offer specialized solutions in digital marketing, back-office support, and talent acquisition. AGO M.I.D.A.S. enhances brand visibility through innovative advertising. AGO B.O.S.S. streamlines operations with expert support. AGO T.A.L.E.N.T. connects businesses with top professionals. Our expertise helps...

    Top Services:

    • Graphic Design
    • Web Design
    • eCommerce Development
    • Digital Marketing
    • IT Services
    • Show more
    Location
    Ontario, Canada
    Number of Employees
    500 - 999
    Average Hourly Rate
    $250/hr
  • Cut Costs, Not Quality

    Led by a Cambridge MBA founder, RETLM BPO is providing cost effective but client focused outsourcing services to clients around the globe. These services cover range of industries including Real Estate, Edtech, Health care, Retail, ecommerce, transport, Telecom etc. Increase in Profit by 60%...

    Top Services:

    • BPO
    • IT Services
    Location
    Lahore, Pakistan
    Number of Employees
    Under 49
    Average Hourly Rate
    $15/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    1 Project Listed
  • Most trusted Technology Partner

    Mysoft Heaven (BD) Ltd. is a Top Software Development Company & CMMI Level 3 Company with 15+ years of excellence. We specialize in enterprise-grade solutions like ERP, FinTech, e-Governance, and HRMS (HR Sheba). Our scalable SaaS platforms and Cyber Security solutions empower global organizations...

    Top Services:

    • Web Development
    • Digital Marketing
    • Mobile App Development
    • Software Development
    • Staff Augmentation
    • Show more
    Location
    Mirpur, Bangladesh
    Number of Employees
    250 - 499
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    1 Project Listed

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

1

Identity Check

We verify businesses and reviewer LinkedIn profiles for integrity.

Agencies vetted
132,505+
2

Portfolio Review

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

Applicants rejected
47%
3

Ongoing Audit

We monitor listings regularly; outdated agencies are removed.

Agencies verified
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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.