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 × Dental × $1,000 - $10,000 ×Clear Filters
  • Global Support Redefined!

    IdeasUnlimited offers 24/7/365 inbound and outbound call center services, covering customer support, technical support, sales, and multilingual operations. Founded in 2010, the agency delivers offshore and remote support for global businesses across eCommerce, healthcare, real estate, and finance...

    Top Services:

    • Call Centers
    • Phone Answering Services
    • IT Services
    • BPO
    • Customer Support
    • Show more
    Location
    Sugar Land, Texas
    Number of Employees
    100 - 249
    Average Hourly Rate
    $10/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    2 Projects Listed
  • 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
  • Quality over Quantity

    A Leading Outsourcing Center in Europe with the Healthy Ambition to Remain at the Top! Our business is on par with the standards established by the industry thanks to the exceptional quality and industry understanding that we provide. You may be certain that we will provide you the highest possible level of...

    Top Services:

    • BPO
    • eCommerce
    • Accounting
    • Phone Answering Services
    • Customer Support
    • Show more
    Location
    Tirana, Albania
    Number of Employees
    500 - 999
    Average Hourly Rate
    $14/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    3 Projects Listed
  • Top BPO Company USA.

    DGC BPO Service is a premier US-based outsourcing company offering expert customer service, call center solutions, virtual assistance, and lead generation. We help businesses optimize operations, improve customer experiences, and drive growth with tailored, efficient solutions...

    Top Services:

    • BPO
    • Call Centers
    • Customer Support
    • Phone Answering Services
    • Digital Marketing
    • Show more
    Location
    New York City, New York
    Number of Employees
    Under 49
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project Listed
  • Connecting Businesses With High-Intent Customers

    First Call Solutions helps businesses grow through performance marketing, lead generation, and pay-per-call solutions. We specialize in delivering high-quality leads, inbound calls, and customer acquisition solutions across insurance, healthcare, home services, legal, and financial industries. Our focus is on...

    Top Services:

    • Affiliate Marketing
    • CRO
    • Media Buying
    • Digital Marketing
    • PPC
    • Show more
    Location
    Houston, Texas
    Number of Employees
    250 - 499
    Average Hourly Rate
    $20/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project Listed
  • Back Office Support Services

    Outsource2india is a pioneering outsourcing company, providing a variety of Back Office Support services for global organizations...

    Top Services:

    • BPO
    • Business Consulting
    Location
    Princeton, New Jersey
    Number of Employees
    1000 & Up
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $1,000 - $10,000
  • Shape The Unseen

    Haimaze is a 360° digital agency based in Rabat, Morocco. We combine human creativity, artificial intelligence and marketing automation to transform brands across Morocco, Europe, MENA and Africa. 270+ projects delivered, 170+ clients, 90+ companies automated...

    Top Services:

    • Digital Services
    • Branding
    • Design Services
    • Reputation Management
    • Web Development
    • Show more
    Location
    Rabat, Morocco
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project Listed
  • Hire Global Talent Without Borders Legal Risk Or Delays

    Smart Outsourcing Solution (SOS) is your partner for compliant offshore hiring. With decades of recruitment experience and strong operations in the Philippines, we deliver remote-ready talent in AI, tech, and customer support. Our EOR solution handles everything from onboarding to payroll, giving you a...

    Top Services:

    • HR Outsourcing
    • Business Consulting
    • BPO
    • Customer Support
    • Show more
    Location
    Muntinlupa, Philippines
    Number of Employees
    500 - 999
    Average Hourly Rate
    $10/hr
    Minimal Budget
    $1,000 - $10,000
  • Expert Staffing Partner for Your Business Growth

    Building a remote team should improve operational capacity, not introduce communication gaps, management complexity, or inconsistent service delivery.Elite Sense Consulting provides remote staffing solutions for businesses seeking reliable, multilingual professionals who integrate into existing workflows...

    Top Services:

    • Business Consulting
    • BPO
    • Call Centers
    • Logistics
    • HR Outsourcing
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    50 - 99
    Average Hourly Rate
    $9/hr
    Minimal Budget
    $1,000 - $10,000
  • Pipeline Built. Meetings Booked. Repeat.

    Pixalrity is a B2B client acquisition agency that builds done-for-you outbound systems for companies that need a predictable pipeline. We run LinkedIn outreach, cold email, and cold calling campaigns targeting the right decision-makers at the right time. Our work is hands-on and results-driven. We've...

    Top Services:

    • Digital Services
    • Digital Marketing
    • CRM Consulting
    • Digital Strategy
    • Business Consulting
    • Show more
    Location
    Chicago, Illinois
    Number of Employees
    Under 49
    Average Hourly Rate
    $15/hr
    Minimal Budget
    $1,000 - $10,000
  • Reliable BPO Contact Center for Call Handling

    Empire Solutions is a leading BPO contact center providing expert call handling and answering services. Connect with us anywhere for top call center solutions...

    Top Services:

    • BPO
    • Call Centers
    • Phone Answering Services
    • Customer Support
    • Show more
    Location
    Toronto, Canada
    Number of Employees
    250 - 499
    Average Hourly Rate
    $10/hr
    Minimal Budget
    $1,000 - $10,000
  • Professional Outsourcing Solutions

    WiseLex BPO Solutions is a dynamic and client-focused business process outsourcing company, specializing in interpretation, translation, and back-office support. With a team of skilled professionals across multiple languages Including Haitian Creole, French and Spanish and more...

    Top Services:

    • Translation Services
    • HR Outsourcing
    • Call Centers
    • BPO
    • Transcription Services
    • Show more
    Location
    San Cristóbal, Dominican Republic
    Number of Employees
    100 - 249
    Average Hourly Rate
    $8/hr
    Minimal Budget
    $1,000 - $10,000
  • Websites That Work Harder for Your Business.

    Technomation helps businesses grow online with professional website design, development, SEO, and ongoing support. We build responsive, user-friendly websites that strengthen credibility, communicate value, and turn visitors into potential customers...

    Top Services:

    • Web Development
    • Mobile App Development
    • AEO
    • SEO
    • AI Development
    • Show more
    Location
    Hillside, New Jersey
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $1,000 - $10,000
  • Delivering Work With Faith

    Capanicus is VoIP Call Center Software development Company, Our Team has 16+ years of exprience in software development, technology, consulting, system integration, cloud computing, mobile app development, and data analytics. Our team make sure sure that your business prospers in digital era by combining the...

    Top Services:

    • AI Development
    • IoT
    • Mobile App Development
    • Software Development
    • Call Centers
    • Show more
    Location
    Mohali, India
    Number of Employees
    50 - 99
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    2 Projects Listed

Why companies trust DesignRush

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
131,145+
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
14

Some agencies pay for sponsored placement, clearly labeled and held to the same vetting standards.

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.