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 × Construction × 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
  • America's best phone answering service taking care of your callers

    Moneypenny is a call center provider that staffs 24/7 answering services and contact center outsourcing for businesses across legal, healthcare, real estate, finance, and home services, with bilingual receptionists, appointment scheduling, call dispatch, and CRM integration included...

    Top Services:

    • Call Centers
    • Phone Answering Services
    • Customer Support
    Location
    Duluth, Georgia
    Number of Employees
    1000 & Up
    Minimal Budget
    Under $1,000
    Portfolios Count
    4 Projects Listed
  • 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
  • We Book the Meetings, You Close the Deal.

    Appointment Setter Online delivers outsourced appointment setting and lead generation through dedicated SDRs assigned by client fit, covering outbound prospecting, inbound qualification, telemarketing, and customer support. To date, the call center provider reports 75,000+ verified sales bookings...

    Top Services:

    • BPO
    • Social Media Marketing
    • Email Marketing
    • Call Centers
    • Show more
    Location
    Albany, New York
    Number of Employees
    500 - 999
    Average Hourly Rate
    $5/hr
    Portfolios Count
    8 Projects Listed
  • 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
  • Phone answering solutions that businesses are proud of!

    Nexa emerges as a trailblazing 24/7 virtual phone answering service renowned for its nationwide operations across the United States. Our forte lies in delivering unparalleled customer experiences through technology-driven call answering solutions, orchestrated by our adept virtual receptionists who possess...

    Top Services:

    • Phone Answering Services
    • Call Centers
    Location
    Phoenix, Arizona
    Number of Employees
    100 - 249
  • Developing Companies That Endure

    Agency Y provides cold calling, appointment setting, and email marketing services for small and medium-sized businesses. Operating from Skopje, Macedonia with agents trained for US and Canadian markets, the agency offers both hourly and performance-based cold calling pricing with no contracts...

    Top Services:

    • Call Centers
    • BPO
    • Customer Support
    • Email Marketing
    • Market Research
    • Show more
    Location
    Skopje, Macedonia
    Number of Employees
    Under 49
    Average Hourly Rate
    $17/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    3 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
  • 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
  • Acquire Intelligence (formerly Acquire BPO) is a business transformation company and a leading global provider of business process outsourcing (BPO) and AI consulting services. Our transformation approach is built around the Automate, Eliminate, Reallocate framework...

    Top Services:

    • BPO
    • AI Development
    • Business Consulting
    • Customer Support
    • HR Outsourcing
    • Show more
    Location
    South Yarra, Australia
    Number of Employees
    1000 & Up
    Average Hourly Rate
    $20/hr
    Minimal Budget
    $1,000 - $10,000
  • Every Conversation Matters

    Backend Communications #1 Contact center/BPO company that provide dedicated highly professional contact center/call center agents all over the world...

    Top Services:

    • Call Centers
    • Social Media Marketing
    • eCommerce
    • Customer Support
    • WordPress Website Design
    • Show more
    Location
    Lahore, Pakistan
    Number of Employees
    50 - 99
    Average Hourly Rate
    $15/hr
    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
  • 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
  • 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
  • Creative Power Digital

    We are a marketing agency specialized on generating advertising and promotions for all available in the market digital platforms.We aim to become trusted advisors to our customers, offering integral solutions and constantly adapting to our customers trends and changes at the digital environment...

    Top Services:

    • Digital Services
    • Graphic Design
    • Branding
    • Design Services
    • Web Design
    • Show more
    Location
    Mexico City, Mexico
    Number of Employees
    Under 49
    Minimal Budget
    $1,000 - $10,000
  • Ultimate Technology Partner.

    MetaFussion is a dynamic digital company driven by a passion for crafting innovative software solutions tailored to meet the evolving needs of businesses. Our comprehensive services, including SEO, SMM, web development, and PPC campaigns, empower clients to thrive in today's fast-paced digital environment...

    Top Services:

    • Digital Services
    • Web Development
    • Digital Marketing
    • Mobile App Development
    • Business Consulting
    • Show more
    Location
    Brampton, Canada
    Number of Employees
    50 - 99
    Average Hourly Rate
    $10/hr
    Minimal Budget
    Under $1,000
  • 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
  • Ultimate Destination For All Your Business Needs.

    Established in 2010, The Last Hope brings over 14 years of international expertise in transforming businesses with exceptional website designing, digital marketing & graphic designing services. Our dedicated team has successfully served thousands of satisfied clients worldwide, delivering tailored solutions...

    Top Services:

    • WordPress Website Design
    • eCommerce Development
    • Web Development
    • Web Design
    • Digital Marketing
    • Show more
    Location
    Gurgaon, India
    Number of Employees
    50 - 99
    Average Hourly Rate
    $30/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    6 Projects Listed
  • 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
  • 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
  • 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

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
130,369+
2

Portfolio Review

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

Applicants rejected
48%
3

Ongoing Audit

We monitor listings regularly; outdated agencies are removed.

Agencies verified
23

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.