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 × Energy & Mining × Sort by: Avg Hourly Price: Low to High ×Clear Filters
  • Scalable BPO Services To Support Your Business Operations

    Call Point Business Solutions Ltd. is a business process outsourcing company established in 2017. The company provides customer-facing, administrative, technical, financial and sales support services to international businesses...

    Top Services:

    • Digital Services
    • Digital Strategy
    • Reputation Management
    • BPO
    • Call Centers
    • Show more
    Location
    Comanche, Texas
    Number of Employees
    50 - 99
    Average Hourly Rate
    $5/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    1 Project Listed
  • 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
  • Excellent People, Exceptional Service

    Upstream BPO Leads The Industry. With Multilingual And Omnichannel Support And Customer Experience (CX), Back-Office, Inside sales, tele sales, Lead generation, Digital Transformation, And Intelligent Automation Solutions. Our BPO Experts Have Over 25 Years Of Experience In Delivering Value And Better...

    Top Services:

    • Call Centers
    • BPO
    • HR Outsourcing
    • Customer Support
    • Show more
    Location
    Kuala Lumpur, Malaysia
    Number of Employees
    1000 & Up
    Average Hourly Rate
    $8/hr
    Minimal Budget
    $1,000 - $10,000
  • 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
  • Accelerating Growth

    Korfshore is a global outsourcing partner delivering smart, scalable, and high-performance offshore teams across multiple industries. We help businesses reduce costs, streamline operations, and access specialized talent in finance, technology, logistics, healthcare, and back-office support. With a strong...

    Top Services:

    • BPO
    Location
    Calgary, Canada
    Number of Employees
    50 - 99
    Average Hourly Rate
    $10/hr
    Minimal Budget
    $50,000 & Up
  • 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
  • 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
  • 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
  • Africa's No.1 Telephone Answering Service Firm.

    CallTel is a business process outsourcing, telephone answering service, and customer engagement company that works together. We provide cutting-edge digital solutions that enable and maximize the effectiveness of individuals, groups, and companies using technology...

    Top Services:

    • Call Centers
    • Phone Answering Services
    • Customer Support
    • BPO
    • Show more
    Location
    Lagos, Nigeria
    Number of Employees
    500 - 999
    Average Hourly Rate
    $25/hr
  • SDR Teams, Lead Generation & Call Center Services for B2B Companies

    Munzai Solutions provides B2B call center services covering cold calling, inbound call management, and customer support, with each engagement staffed by dedicated SDRs working 40 hours per week. The call center company's packages include a US-based dialer, project manager, and weekly reporting...

    Top Services:

    • Customer Support
    • Business Consulting
    • Call Centers
    • Email Marketing
    • CRM Consulting
    • Show more
    Location
    Manchester, United Kingdom
    Number of Employees
    Under 49
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    12 Projects Listed
  • Nearshore BPO Services

    SkyCom is a nearshore BPO provider helping businesses scale customer support, healthcare operations, technical support, and back-office services...

    Top Services:

    • BPO
    • Call Centers
    • Customer Support
    • Transcription Services
    • Phone Answering Services
    • Show more
    Location
    San Salvador, El Salvador
    Number of Employees
    1000 & Up
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $10,000 - $25,000
  • 911 IT delivers managed IT, cybersecurity, cloud, compliance, business continuity, and VoIP services tobusinesses across Utah, Wyoming, and Arizona...

    Top Services:

    • Managed Services
    • Cybersecurity
    • IT Services
    • IT Compliance Solution
    • Customer Support
    • Show more
    Location
    South Jordan, Utah
    Number of Employees
    Under 49
    Average Hourly Rate
    $38/hr
    Minimal Budget
    $10,000 - $25,000
  • 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
  • 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
  • Beyond Standard Solutions

    Transform Targets helps organizations scale operational capacity without increasing internal overhead. We provide skilled professionals who integrate directly into existing workflows, enabling businesses to operate efficiently while maintaining full visibility and control. Our focus is simple: support the...

    Top Services:

    • BPO
    • Customer Support
    • Logistics
    • Call Centers
    • Business Consulting
    • Show more
    Location
    McKinney, Texas
    Number of Employees
    50 - 99
    Average Hourly Rate
    $50/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    1 Project 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

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
131,903+
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
16

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.